Class / Patent application number | Description | Number of patent applications / Date published |
174120000 |
Synthetic resin
| 57 |
174120000 |
Semiconducting
| 29 |
174120000 |
Coated or impregnated
| 28 |
174121000 |
Fibrous or fabric with plastic or coating materials | 3 |
20110094770 | METALLIC WIRE TRACER ELEMENT INCLUDING WOVEN PROTECTIVE TUBE AND METHODS OF MAKING SAME - A detectable tracer element for use in underground detection applications includes a metallic wire, a non-fibrous insulating jacket integral with the wire, and a flexible, cut-resistant, non-electrically shielding woven protective tube surrounding the wire and jacket combination. The woven protective tube includes a plurality of non-metallic fibers woven around the wire and jacket combination such that the combination is disposed within the interior of the protective tube. In one configuration of the invention, the woven protective tube defines a substantially oval or circular tube weave. The substantially oval or circular tube weave is woven, such that, the tube weave is pulled or stitched into a flattened configuration for use in underground applications. | 04-28-2011 |
20140290978 | INSULATION STRUCTURE OF LEAD WIRE, TRANSFORMER HAVING THE SAME, AND METHOD FOR INSULATING LEAD WIRE - A lead wire for a stationary induction apparatus includes a conductor, a covering insulating layer provided on an outer periphery of the conductor, and an insulating sheet provided on the covering insulating layer. The insulating sheet includes base paper having a prescribed width, and insulating spacers disposed to protrude from the base paper at prescribed spacings in a longitudinal direction of the base paper. The insulating sheet is spirally wound continuously from a straight portion to a curved portion such that the insulating spacers come into contact with the covering insulating layer. | 10-02-2014 |
20110186330 | CERAMISABLE COMPOSITION FOR A POWER AND/OR TELECOMMUNICATION CABLE - The present invention relates to a power and/or telecommunication cable comprising at least one conductive element surrounded by at least one insulating layer extending along the cable, the isolating layer being obtained from a composition containing the following compounds: a) an organic polymer; b) an inorganic compound containing a potassium oxide and/or one of the precursors thereof; c) a boron oxide and/or one of the precursors thereof; and d) calcium oxide CaO and/or one of the precursors thereof, characterized in that the amount of the compound d is at least 10 wt % of the total weight of the compounds b, c, and d in the composition. | 08-04-2011 |
20110094770 | METALLIC WIRE TRACER ELEMENT INCLUDING WOVEN PROTECTIVE TUBE AND METHODS OF MAKING SAME - A detectable tracer element for use in underground detection applications includes a metallic wire, a non-fibrous insulating jacket integral with the wire, and a flexible, cut-resistant, non-electrically shielding woven protective tube surrounding the wire and jacket combination. The woven protective tube includes a plurality of non-metallic fibers woven around the wire and jacket combination such that the combination is disposed within the interior of the protective tube. In one configuration of the invention, the woven protective tube defines a substantially oval or circular tube weave. The substantially oval or circular tube weave is woven, such that, the tube weave is pulled or stitched into a flattened configuration for use in underground applications. | 04-28-2011 |
20140290978 | INSULATION STRUCTURE OF LEAD WIRE, TRANSFORMER HAVING THE SAME, AND METHOD FOR INSULATING LEAD WIRE - A lead wire for a stationary induction apparatus includes a conductor, a covering insulating layer provided on an outer periphery of the conductor, and an insulating sheet provided on the covering insulating layer. The insulating sheet includes base paper having a prescribed width, and insulating spacers disposed to protrude from the base paper at prescribed spacings in a longitudinal direction of the base paper. The insulating sheet is spirally wound continuously from a straight portion to a curved portion such that the insulating spacers come into contact with the covering insulating layer. | 10-02-2014 |
20110186330 | CERAMISABLE COMPOSITION FOR A POWER AND/OR TELECOMMUNICATION CABLE - The present invention relates to a power and/or telecommunication cable comprising at least one conductive element surrounded by at least one insulating layer extending along the cable, the isolating layer being obtained from a composition containing the following compounds: a) an organic polymer; b) an inorganic compound containing a potassium oxide and/or one of the precursors thereof; c) a boron oxide and/or one of the precursors thereof; and d) calcium oxide CaO and/or one of the precursors thereof, characterized in that the amount of the compound d is at least 10 wt % of the total weight of the compounds b, c, and d in the composition. | 08-04-2011 |
174120000 |
Rubber | 2 |
20080277139 | Sealing Tape - A cable joint includes at least two cables each having inner conducting elements. At least one of the cables has a layer of paper insulation impregnated with an oil. The inner conducting elements of the cables are secured to each other at a junction. A sealing tape has an inner layer and an outer layer. The sealing tape is wrapped about the junction such that the inner layer is in contact with the cables. The inner layer is provided with a deformable oil barrier including a sealing mastic that is resistant to chemical attack from the oil and resistant to migration of the oil there through. The outer layer carries the inner layer. The outer layer is provided with a substantially rigid tape that is resistant to deformation and expansion of the inner layer that forms a protective sleeve about the inner layer. | 11-13-2008 |
20080302556 | Enhanced Electrical Seismic Land Cable - An electrical cable comprises a cable core comprising at least one electrical conductor, at least one polymeric inner layer enclosing the cable core, and at least one polymeric outer layer enclosing the cable core and the inner layer to form the electrical cable, the outer layer operable to maintain integrity of the cable within a predetermined temperature range. | 12-11-2008 |
20090038821 | COVERED ELECTRIC WIRE AND COAXIAL CABLE - The present invention provides a covered electric wire having a covering excellent in electrical characteristics and thermal stability as well as in crack resistance. The present invention is related to a covered electric wire comprising a core wire covered with a tetrafluoroethylene [TFE]-based copolymer comprising TFE-derived TFE units and perfluoro (alkyl vinyl ether) [PAVE]-derived PAVE units, a content of said PAVE unit being in excess of 5% by mass and not higher than 20% by mass relative to all monomer units, containing less than 10 unstable terminal groups per 1×10 | 02-12-2009 |
20090071692 | PROCESS FOR THE PRODUCTION OF A MULTIPOLAR CABLE, AND MULTIPOLAR CABLE PRODUCED THEREFROM - The present invention relates to a manufacturing process of a multipolar cable comprising at least one pair of cores, each core comprising at least one conductive element and at least one layer of electrical insulation in a position which is radially external to said at least one conductive element. This process comprises the steps of: a) assembling said at least one pair of cores so as to form an assembled element having a plurality of interstitial zones between said cores, and b) depositing by co-extrusion an expandable polymeric material in a position which is radially external to said cores so as to fill said interstitial zone and to form a filling layer of substantially zone and to form a filling layer of substantially circular transverse cross section, and at least one containment layer of polymeric, and at least one containment layer of polymeric material in a position radially external to said filling layer. The present invention also relates to a multipolar cable obtained from said process. | 03-19-2009 |
20090183897 | ULTRA HIGH-SPEED COAXIAL CABLE - A cable for the ultra high-speed communication of high-frequency signals. The cable includes a longitudinal conductor and an insulator sheath at least partially covering the longitudinal conductor. The cable further includes an inner conductive sheath disposed about an outer periphery of the insulator sheath and an outer insulator jacket disposed about an outer periphery of the inner conductive sheath. The insulator sheath is manufactured from a high-purity fluorinated ethylene propylene. | 07-23-2009 |
20090250243 | Arc resistant and smooth wire - A wire is constructed having a conductor, a primary insulation layer and a secondary insulation layer. A third insulation layer is applied over the second insulation layer, where the third insulation layer includes the only marking additives used in the three insulation layers of the wire. | 10-08-2009 |
20090308634 | COMMUNICATION CABLE OF HIGH CAPACITY - In communication cable of high capacity according to present invention, conductor of diameter d is coated by insulation material to form wire of diameter D, plural number of said wire are twisted by pitch p to form pairs, plural number of said pairs are twisted by collective pitch P, and said communication cable of high capacity comprise sheath wrapping said pairs, and impedance (Z) of said wire is from 90 to 110, and, diameter (d) of said conductor is from 0.53 mm to 0.65 mm, and diameter (D) of wire is from 0.9 mm to 1.1 mm, and said pitch (p) is from 8 mm to 25 mm, and said collective pitch (P) is from 40 mm to 150 mm, and relative ratio of diameter of wires to diameter of conductor D/d is from 1.625 to 1.835. And, by impedance matching between equipment for data transmission, return loss of cable can be minimized, so high speed data transmission can be made. | 12-17-2009 |
20100032185 | Method for Water-Sealing Treatment of On-Vehicle Electric Cables - The present invention is intended to enable a efficient water-sealing treatment for an on-vehicle electric cable | 02-11-2010 |
20110005807 | PROTECTIVE DEVICE, PARTICULARLY FOR CONNECTION ELEMENT - A protective device includes a mechanical protective sheath ( | 01-13-2011 |
20110048768 | POWER CABLE - A power cable ( | 03-03-2011 |
20110168427 | PROCESS FOR PRODUCING A POLYMER AND A POLYMER FOR WIRE AND CABLE APPLICATIONS - The invention relates to a method for producing a polymer using a chain transfer agents. In particular, the invention relates to a process for polymerizing a polymer in the presence of a mixture of at least two chain transfer agents, which mixture comprises
| 07-14-2011 |
20110220391 | BEND RESISTANT CABLE - A bend resistant cable includes a stranded wire including a plurality of child stranded conductors each having a plurality of strands, the plurality of child stranded conductors being circumferentially disposed and stranded. A stranding direction of the plurality of strands of the child stranded conductors circumferentially adjacent to each other is different from each other. | 09-15-2011 |
20120175146 | CABLE WITH LESS RESIDUAL BEND - A cable with less residual bend includes a sheath as an outermost layer; and a thread for correcting a residual bend. The thread is provided inside the sheath and disposed in parallel with a center axis of the cable along a longitudinal direction of the cable. | 07-12-2012 |
20120261161 | METHODS OF MANUFACTURING WIRE, MULTI-LAYER WIRE PRE-PRODUCTS AND WIRES - Exemplary methods for manufacturing a wire and resultant wires are disclosed herein. The method includes extruding a receptor cross-linkable polymer that is substantially free of curing agent about a conductive core and extruding a donor polymer in association with a curing agent. The method includes disposing the donor polymer about the receptor polymer and conductive core to create a multi-layer wire pre-product. The method also includes heat curing a multi-layer wire pre-product to form a wire. | 10-18-2012 |
20130264094 | ELECTRICAL CABLE WITH EASILY REMOVABLE CASING - A cable which has at least two strands which each have a conductor surrounded by an insulation, where the strands are surrounded by an inner casing composed of a first polymer mixture and by an outer casing of a second polymer mixture resting on the inner casing, where the polymer components of the first and second polymer mixtures include a thermoplastic elastomer, and where the inner casing is foamed. | 10-10-2013 |
20140166339 | FIRE AND WATER RESISTANT CABLE - The present invention relates to lead-free, halogen-free, and antimony-free cables containing insulations made of (a) a polyolefin; (b) a maleic anhydride modified polyolefin; (c) a butadiene-styrene copolymer; (d) a non-halogen flame retardant; and (e) a silane compound. The cable contains a fire retardant tape between the conductor and the insulation when the insulation thickness is greater than about 75 mils for a 1/0 AWG cable. | 06-19-2014 |
20150357083 | CABLE STRUCTURES WITH MULTI-MATERIAL EXTRUDED STRAIN RELIEFS AND SYSTEMS AND METHODS FOR MAKING THE SAME - Cable structures with multi-material extruded strain reliefs and systems and methods for making the same are provided. In some embodiments, a cable structure may include at least two materials simultaneously extruded through a die and about a conductor. A relationship between the two materials may be changed during the simultaneous extrusion for varying the stiffness of the cable structure, which may thereby provide a strain relief region to the cable structure. One of the two materials may be stiffer than another of the two materials, and the ratio of the amount or thickness of one of the two materials with respect to the amount or thickness of the other of the two materials may be varied during the extrusion process to vary the stiffness of the cable structure along its length for providing the strain relief region. | 12-10-2015 |
20160141072 | ELECTRIC WIRE AND CABLE - An electric wire includes a conductor having a cross-sectional area of not less than 225 mm | 05-19-2016 |
20160141073 | ELECTRIC WIRE AND CABLE - An electric wire includes a conductor having a cross-sectional area of not less than 290 mm | 05-19-2016 |
20160379736 | HIGH-VOLTAGE INSULATOR - A high-voltage insulator has an insulating body which is arranged around a high-voltage conductor. The high-voltage insulator has a damping chamber which at least partially engages around the insulating body and which is filled with an electrically insulating damping medium for damping an action of external mechanical force on the insulating body. A transformer bushing for routing a high-voltage conductor out of a transformer housing in an electrically insulating manner is further disclosed. The transformer bushing is characterized in that the transformer bushing contains a high-voltage insulator. | 12-29-2016 |
20190148037 | Winding Wire Articles Having Internal Cavities | 05-16-2019 |
20090084577 | FLAME-RETARDANT POLY(ARYLENE ETHER) COMPOSITION AND ITS USE AS A COVERING FOR COATED WIRE - A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate but excludes melamine phosphate, melamine pyrophosphate, and melamine polyphosphate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable. | 04-02-2009 |
20100101827 | POLYBUTYLENE NAPHTHALATE-BASED RESIN COMPOSITION AND ELECTRIC WIRE USING THE POLYBUTYLENE NAPHTHALATE-BASED RESIN COMPOSITION - There are provided a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide; and an electric wire using a polybutylene naphthalate-based resin composition, with an insulated coating layer formed on a conductor, by using a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide as an insulating material. | 04-29-2010 |
20100101828 | MAGNET WIRE WITH COATING ADDED WITH FULLERENE-TYPE NANOSTRUCTURES - A magnet wire consists of an electrical conductor and a coating around the electric conductor, the coating is resistant to corona and/or of a low coefficient of friction, and is composed of 82% to 99.95% by weight of polymeric resin, and 0.05% to 18% by weight of fullerene-type nanostructures. | 04-29-2010 |
20100181094 | MAGNETIC WIRE WITH CORONA-RESISTANT COATING - A magnet wire formed by an electric conductor, and a corona-resistant coating disposed around electric conductor; the corona-resistant coating includes a quantity of polymeric resin having a dielectric strength of at least about 7874 V/mm (200 V/mil), and a quantity of conductive polymer having a conductivity in a range from about 1×10 | 07-22-2010 |
20100230133 | Multilayer Insulated Electric Wire - A multilayer insulated electric wire includes a conductor and three or more insulating layers covering the conductor. In the multilayer insulated electric wire, the outermost layer (A) of the insulating layers includes a coating layer formed of a resin composition of a polyamide resin containing copper iodide, and the innermost layer (B) of the insulating layers includes a coating layer formed of a resin composition of 100 parts by mass of a polyester-based resin (B1), all or a part of which is formed of an aliphatic alcohol component bonded with an acid component, and 5 to 40 parts by mass of an ethylene-based copolymer (B2) having side chains of a carboxylic acid or a metal salt of a carboxylic acid. | 09-16-2010 |
20100230134 | METHOD OF MANUFACTURING ELECTRICAL CABLE, AND RESULTING PRODUCT, WITH REDUCED REQUIRED INSTALLATION PULLING FORCE - Disclosed is type THHN cable having a reduced surface coefficient of friction, and the method of manufacture thereof, in which the central conductor core and insulating layer are surrounded by a nylon sheath. A high viscosity, high molecular weight silicone based pulling lubricant for THHN cable, or alternatively, erucamide or stearyl erucamide for small THHN gauge wire, is incorporated, by alternate methods, with the nylon material from which the outer sheath is extruded, and is effective to reduce the required pulling force on the cable during installation. | 09-16-2010 |
20110198109 | INSULATING VARNISH AND PRODUCTION METHOD THEREFOR AND INSULATED ELECTRIC WIRE USING SAME AND PRODUCTION METHOD THEREFOR - An insulating varnish includes a polyamide-imide resin including a repeat unit represented by Formula (1) below derived from a synthesis reaction between a resin component (X) and a diisocyanate component (Y). The resin component (X) is derived from a synthesis reaction between a diamine component including aromatic diamines including g a divalent aromatic group (R) including three or more aromatic rings, and an acid component in the presence of an azeotrope solvent. The diisocyanate component (Y) includes a 2,4′-diphenylmethane diisocyanate (Y | 08-18-2011 |
20110203830 | FOAM ELECTRIC WIRE - A foam electric wire is usable for plenum twisted pair cables, coaxial cables for CATV, cables for HDMI, coaxial cables for antenna wires in mobile communications, coaxial cables for medical applications, coaxial cables for security, and coaxial cables for broadband applications. The foam electric wire includes a conductor and a plurality of coating layers that coat the conductor and consist of perfluoro resin. At least one coating layer is an unexpanded layer. At least one coating layer is an expanded layer whose expansion percentage is 40% or greater. At least one coating layer contains a perfluoro polymer having an MFR of 1-50 g/10 min. The perfluoro polymer has a melt tension of 0.09 N or greater, and/or polymer terminals that are substantially only —CF | 08-25-2011 |
20110240336 | CONDUCTOR INSULATION WITH MICRO OXIDE PARTICLES - An insulated conductor that comprises a conductor and at least one layer of a composite insulation surrounding the conductor. The composite insulation includes insulating material and micro oxide particles adapted to provide at least one of an increase in the flame retardancy of the insulating material and an improvement in the electrical properties of the insulating material. | 10-06-2011 |
20110253420 | FLAME RETARDANT POLYMER COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES - A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable. | 10-20-2011 |
20120138332 | FOAMED ELECTRIC WIRE AND TRANSMISSION CABLE HAVING SAME - The foamed electric wire of the present invention is provided with a conductor and a foamed insulation layer covering the conductor; the foamed insulation layer is obtained by kneading a base resin composed of a high melting point propylene-based resin having a melting point of 150° C. or higher with a master batch containing a thermally decomposing chemical foaming agent and a low melting point propylene-based resin having a melting point of 135° C. or lower and melting the low melting point propylene-based resin followed by foaming by inducing thermal decomposition of the thermally decomposing chemical foaming agent, and a compounding ratio of the low melting point propylene-based resin in the entire resin component formed of the high melting point propylene-based resin and the low melting point propylene-based resin is less than 20% by mass. | 06-07-2012 |
20120181061 | Acetylated Derivatives of Castor Oil and Their Blends with Epoxidized Fatty Acid Esters - The present disclosure is directed to acetylated castor components and compositions including the same. The acetylated castor component may be an acetylated castor oil and/or an acetylated castor wax. The acetylated castor component may be blended with an epoxidized fatty acid ester. The present acetylated castor components and blends find advantageous application as a plasticizer. | 07-19-2012 |
20120285724 | INSULATED WIRE - {Problems} To provide an insulated wire, which is high in a dielectric breakdown resistance even if insulating resin coatings are laminated, because the interlayer adhesiveness is excellent, and which is excellent in a partial discharge resistance, because the dielectric constant is low. | 11-15-2012 |
20130008690 | COMPOSITIONS AND METHODS FOR GROWING COPPER NANOWIRES - A method of synthesis to produce gram-scale quantities of copper nanowires in an aqueous solution, wherein the copper nanowires are dispersed in said solution. Copper nanowires grow from spherical copper nanoparticles within the first 5 minutes of the reaction. Copper nanowires can be collected from solution and printed to make conductive films (preferably <10,000 Ω/sq) that preferably transmit greater than 60% of visible light. | 01-10-2013 |
20130008691 | COMPOSITION FOR WIRE COATING, INSULATED, AND WIRING HARNESS - To provide a composition for a wire coating member containing a non-crosslinked material at a low cost, which has superior flame retardancy, and is excellent in heat resistance, wear resistance and flexibility, and to provide an insulated wire and a wiring harness containing the composition. The composition contains (A) polypropylene, (B) a polyolefin elastomer, (C) a bromine flame retardant, (D) an antimony trioxide, (E) magnesium hydroxide, either one of (F) (F1) a zinc sulfide and (F2) a zinc oxide and (F3) mercaptobenzimidazole, and (G) a hindered phenolic antioxidant. The insulated wire includes a conductor and an insulation coat made from the composition, wherein the insulation coat has a thickness of 0.5 mm or less, and the insulated wire has an external diameter of 4 mm or less. The wiring harness includes the insulated wire. | 01-10-2013 |
20130037305 | ELECTRICAL CONDUCTOR COATED IN A BONDING LAYER, AND A METHOD OF MANUFACTURING SUCH AN ELECTRICAL CONDUCTOR - The invention relates to an electrical conductor coated in an insulating layer itself coated in a bonding layer, the conductor being characterized in that said bonding layer is obtained from a composition comprising a thermoplastics polymer and a settable resin. The invention also applies to a method of manufacturing such an electrical conductor coated in a bonding layer, the method being characterized in that it comprises applying said composition on said electrical conductor coated in said insulating layer, and applying treatment to cause said settable resin to be cured at least in part. | 02-14-2013 |
20130133921 | ANTI-CAPILLARY RESISTOR WIRE - A wire assembly includes a plurality of strength members, a first coating layer disposed on the strength members, and a conductive element helically wound about the first coating layer. The conductive element has a length associated with a predetermined resistance. A second coating layer is disposed on the conductive element, an the second coating layer is applied to the conductive element and the first coating layer via pressure extrusion to eliminate air gaps between at least a portion of the first coating layer and the second coating layer. A method of forming the wire assembly includes coating the strength members with the first coating layer, helically winding the conductive element about the first coating layer, and applying the second coating layer to the conductive element and the first coating layer via pressure extrusion to eliminate air gaps between at least a portion of the first and second coating layers. | 05-30-2013 |
20130153263 | INORGANIC NANOFILLER, PARTIAL DISCHARGE RESISTANT ENAMELED WIRE INCLUDING THE SAME, AND PREPARING METHOD OF THE ENAMELED WIRE - The present disclosure relates to a silane-containing inorganic nanofiller, a varnish including the silane-containing inorganic nanofiller, an enameled wire including the silane-containing inorganic nanofiller, and a method for preparing the enameled wire. | 06-20-2013 |
20130168128 | SUN-LIGHT RESISTANT SELF-LUBRICATED INSULATED CONDUCTOR - A sun-light resistant self-lubricated electrical cable that includes one o more conductors, one or more layers of polyvinyl chloride (PVC) insulating coating surrounding the conductor, and a polyamide sheath surrounding the PVC insulating coating to provide sun-light resistant to said PVC insulating coating, the polyamide sheath is made of a nylon base resin with a hindered amine light stabilizer, an antioxidant; and an ultraviolet absorber. | 07-04-2013 |
20140041897 | CABLE HAVING REDUCED TANGLE ABILITY - Provided is a cable having reduced tangle ability. The cable includes a metal core for transmitting an electrical signal, an insulating coating surrounding the metal core, the insulating coating having flexibility, and a coating layer adhering cured to surround the insulating coating, the coating layer having flexibility and elasticity. The insulating coating is impregnated into a liquid polymer in which powder is mixed, and the liquid polymer is cured so that the coating layer adheres to surround the insulating coating, and the coating layer has a frictional coefficient less than that of the insulating coating, a hydrophobic property greater than that of the insulating coating, and a thickness less than that of the insulating coating. | 02-13-2014 |
20140083738 | NON-HALOGEN FLAME-RETARDANT INSULATED WIRE - A non-halogen flame-retardant insulated wire includes a conductor and an insulating coating layer including an inner layer and an outer layer. The inner layer includes an inner layer resin composition in which 50 to 95 parts by weight of a polyethylene with a density of 0.930 g/cm | 03-27-2014 |
20140326481 | INSULATION SYSTEMS HAVING IMPROVED PARTIAL DISCHARGE RESISTANCE, AND METHOD FOR PRODUCING SAME - Disclosed are insulating electric conductors against partial discharge and a method for producing an insulation system having improved partial discharge resistance and such an insulation system. There is an erosion-inhibiting effect of adhesion promoters, such as organic silicon compounds, added to resin when admixing nano particulate fillers. Good results may be attributable to a type of particle wetting of the nano particles as a result of particle wetting with organosilanes. The admixture of adhesion promoters with the resin before the addition of the nano particulate filler provides considerable advantages. | 11-06-2014 |
20150027748 | INVERTER SURGE-RESISTANT INSULATED WIRE AND METHOD OF PRODUCING THE SAME - An inverter surge-resistant insulated wire, having at least one baked enamel layer around the outer periphery of a conductor having a rectangular cross-section, at least one extrusion-coated resin layer around the outer side thereof, and an adhesive layer having a thickness of 2 to 20 μm between the baked enamel layer and the extrusion-coated resin layer, wherein each of the at least one extrusion-coated resin layer on the adhesive layer is formed by the same resin, a cross-sectional shape of the baked enamel layer and the extrusion-coated resin layer in the cross-section of the inverter surge-resistant insulated wire is rectangular, and in the cross-sectional shape formed by the baked enamel layer and the extrusion-coated resin layer surrounding the conductor in a cross-sectional view, at least a pair of two sides of two pairs of two sides opposing at the upper side and the downside or at the right side and the left side with respect to the conductor each meet the conditions that a total thickness of the baked enamel layer and the extrusion-coated resin layer is 80 μm or more, a thickness of the baked enamel layer is 60 μm or less, a thickness of the extrusion-coated resin layer is 200 μm or less, and the resin of the extrusion-coated resin layer has a melting point of 300° C. or more and 370° C. or less, and a method of producing the inverter surge-resistant insulated wire comprising forming adhesive layer on the outer periphery of the baked enamel layer, and then extruding a thermoplastic resin for forming the extrusion-coated resin layer on the adhesive layer thereby to contact with the adhesive layer, the thermoplastic resin becoming a molten state at a higher temperature than a glass transition temperature of the resin that is used for the adhesive layer. | 01-29-2015 |
20150101845 | INSULATION SYSTEMS WITH IMPROVED RESISTANCE TO PARTIAL DISCHARGE, PRODUCTION METHOD FOR THIS - An insulating system having improved partial discharge resistance includes an insulating tape around a conductor. The tape is a mica tape joined to a carrier. The tape is impregnated with a synthetic resin, and is interspersed with a nanoparticulate filler, present bimodally, in the form of two fractions of the filler differing in particle size and fraction size. An adhesion promoter may be in the resin. | 04-16-2015 |
20160035458 | THE METHOD OF PRODUCING SELF-ROLLING ELONGATE ELEMENT, IN PARTICULAR AN ELECTRIC CABLE AND SELF-ROLLING ELONGATE ELEMENT, IN PARTICULAR AN ELECTRIC CABLE - The subject of the invention is the method of producing self-rolling elongate element, in particular an electric cable and self-rolling elongate element, in particular an electric cable intended especially for power and signal transmission wires, ropes and cords. The essence of the method, according to the invention, consists in applying to the power transmission wires, the outer coating ( | 02-04-2016 |
20160163421 | INSULATING WINDING WIRE HAVING CORONA RESISTANCE - Disclosed is an insulating winding wire having corona resistance, including a conductor and an insulation coating. The insulation coating includes a basal layer applied to cover the conductor and an outer layer applied to cover the basal layer. The basal layer includes at least one resin selected from the group consisting of polyvinylformal resin, polyurethane resin, heat-resistant polyurethane resin, polyester resin, polyester imide resin, polyamide imide resin, polyimide resin and polyamide resin. The basal layer includes 5 to 15 parts by weight of inorganic insulation particles and 1 to 3 parts by weight of an adhesive agent with respect to 100 parts by weight of the resin and the basal layer has a thickness 70 to 80% of the thickness of the insulation coating. | 06-09-2016 |
20160180986 | HYDROPHOBIC FILM COATED CABLE FOR MEDIAL DEVICE | 06-23-2016 |
20160379734 | Radiation Crosslinked Fluoropolymer Compositions Containing Low Level of Extractable Fluorides - A composition for manufacturing a crosslinked ethylene tetrafluoroethylene (ETFE) copolymer with enhanced abrasion resistance and heat resistance is provided, the composition including ETFE, about 0.1-10% w/w of a metal oxide that effectively scavenges high levels of fluoride ions; and a crosslinking agent. Methods of using and making the composition are also provided. | 12-29-2016 |
20120285725 | HIGH VOLTAGE DIRECT CURRENT CABLE HAVING AN IMPREGNATED STRATIFIED INSULATION - A high voltage direct current cable includes at least one electrical conductor, at least one semiconducting layer, at least one stratified insulation made from windings of at least one paper-polypropylene laminate, the stratified insulation being impregnated with at least one electrically insulating fluid having a kinematic viscosity of at least 1,000 cSt at 60EC, wherein the laminate includes at least one paper layer having an air impermeability of at least 100,000 Gurley see. Such a high air impermeability of the paper layer(s) remarkably reduces the swelling of the polypropylene layer(s) during impregnation with a high viscosity insulating fluid, thus preventing delamination, up to the end of the impregnation process for the whole stratified insulation. | 11-15-2012 |
20100186990 | High Voltage Electric Submersible Pump Cable - A cable for transmitting high voltage electricity for use with an electric submersible pump has a plurality of solid conductors for conducting electricity along the length of the cable. The solid conductors are uniformly and firmly bonded to the surrounding insulation with a thin bonding layer applied directly over the conductor. A layer of conductive fabric tape surrounds the insulation to form an outer stress control layer. The insulated conductors are surrounded by an extruded layer of lead. A second layer of fabric tape surrounds the lead. An armored outer layer surrounds the insulated conductors and the lead. Space between the insulated and wrapped conductors and the armored outer layer is filled with a jacket material. | 07-29-2010 |
20110174520 | INSULATED ELECTRIC WIRE - Disclosed is an insulated electric wire having a conductor and one or more insulating layers covering the conductor, the insulated electric wire comprising a polyester-based resin composition which constitutes at least one layer of the insulating layers and comprises a polyester-based resin (A) containing a liquid crystal polymer in an amount of 5-25 parts by mass relative to 75-95 parts by mass of a polyester-based resin other than liquid crystal polymers. | 07-21-2011 |
20100025073 | Semiconductive Polyolefin Composition - The present invention relates to a semiconductive polyolefin composition comprising:
| 02-04-2010 |
20100089611 | Flexible Power Cable with Improved Water Treeing Resistance - The present invention relates to a power cable comprising a conductor, an inner semiconductive layer, an insulation layer and an outer semiconductive layer, wherein the insulation layer comprises a polymer comprising
| 04-15-2010 |
20100108356 | INSULATION-COATED WIRE - An insulation-coated wire has a conductor, and a semiconductive layer provided at an outer periphery of the conductor, the semiconductive layer comprising a resin coating comprising metal fine particles dispersed in a base resin, in which an average particle diameter of the metal fine particles is not greater than 1 μm. | 05-06-2010 |
20100108357 | CROSS-LINKING AGENT - The present invention relates to a crosslinkable polymer composition comprising an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.38, and at least one crosslinking agent being a carbon-carbon initiator that is free of peroxide groups and capable of thermally decomposing into carbon-based free radicals by breaking at least one carbon-carbon single bond, such as 3,4-dimethyl-3,4-diphenylhexane. | 05-06-2010 |
20100181095 | Unsaturated Polymer Composition - The invention relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, including said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating agent for modifying a polymer composition. | 07-22-2010 |
20100181096 | Modified Polymer Compositions, Modification Process and Free Radical Generating Agents - The application relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, including said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating agent for modifying a polymer composition. | 07-22-2010 |
20110114365 | STRIPPABLE SEMICONDUCTIVE COMPOSITION COMPRISING LOW MELT TEMPERATURE POLYOLEFIN - The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and monomer units of an alpha-olefin having at least 4 carbon atoms, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and enhanced mechanical as well as electrical property profile. | 05-19-2011 |
20110162868 | STRIPPABLE SEMICONDUCTIVE COMPOSITION COMPRISING LOW MELT TEMPERATURE POLYOLEFIN - The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and ethylene monomer units, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and mechanical as well as electrical property profile. | 07-07-2011 |
20110220392 | POLYOLEFIN COMPOSITION FOR MEDIUM/EXTRA/HIGH VOLTAGE CABLES COMPRISING BENZOPHENONE-TYPE VOLTAGE STABILIZER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzophenone derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I): wherein one or more of the Carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′ each of which are independently selected from said same groups as R1 to R10; and n=1 to 10; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain heteroatoms and which contains an amine group. | 09-15-2011 |
20120012363 | UNCROSSLINKED POLYETHYLENE COMPOSITION FOR POWER CABLE - Disclosed is uncrosslinked linear medium-density polyethylene resin composition for a power cable, which is applicable to an insulating layer, a semi-conducting layer or a sheath layer. Specifically, the uncrosslinked polyethylene composition includes: 100 parts by weight of a polymer comprising a linear medium-density polyethylene resin comprising an α-olefin having 4 or more carbon atoms as a comonomer and having a melt index of 0.6-2.2 g/10 min (at 190° C. under a load of 5 kg), a differential scanning calorimetry (DSC) enthalpy of 130-190 joule/g and a molecular weight distribution of 2-30; and 0.1 to 10 parts by weight of one or more additive(s) selected from a flame retardant, an oxidation stabilizer, a UV stabilizer, a heat stabilizer and a process aid. | 01-19-2012 |
20120018190 | CABLE WITH HIGH LEVEL OF BREAKDOWN STRENGTH AFTER AGEING - The present invention relates to a cable comprising at least one semiconductive layer and at least one insulation layer, wherein: —the semiconductive layer consists of a composition (A) comprising a polar copolymer (a) and carbon black, and—the insulation layer consists of a composition (B) comprising a polar copolymer (b2), and to a process for the production of such a cable and to the use of such a cable as a power cable. | 01-26-2012 |
20120273253 | CABLE AND PRODUCTION PROCESS THEREOF - A cable comprising a semiconductive layer and an insulation layer with improved DC electrical properties is provided. | 11-01-2012 |
20130025910 | POLYOLEFIN COMPOSITION FOR MEDIUM/HIGH/EXTRA HIGH VOLTAGE CABLES COMPRISING BENZIL-TYPE VOLTAGE STABILISER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzil derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I). wherein one or more of the carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′, each of which are independently selected from said same groups as R1 to R10; and n=2 to 9; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain one or more heteroatoms. | 01-31-2013 |
20130032376 | SEMICONDUCTIVE POLYMER COMPOSITION COMPRISING POLAR COPOLYMER - The present invention relates to a semiconductive polymer composition comprising:—an ethylene copolymer (A) comprising methyl(meth)acrylate co-monomer units, wherein the ethylene copolymer (A) has a melt temperature of 80 ° C. or below, and—carbon black, wherein the ethylene copolymer (A) is produced in a autoclave high pressure reactor or in a multi-feed tubular reactor; to a semiconductive polymer composition comprising—an ethylene copolymer (A) comprising methyl(meth)acrylate, comonomer units; and—carbon black, wherein ethylene copolymer (A) is characterized in that the fraction obtained in the first fractionation step (fraction 1) in the fractionation method of ethylene copolymer (A) as described herein, is present in an amount of not more than 40 wt. % based on the total amount of the ethylene copolymer (A); and to a cable comprising a semiconductive layer comprising the semiconductive polymer composition and to the use of the semiconductive polymer composition in the preparation of a semiconductive layer of a power cable. | 02-07-2013 |
20130062096 | Strippable Insulation Shield for Cables - Strippable semiconductive shields comprise a composition comprising in weight percent (wt %) based on the weight of the composition: (A) 20 to 80% of an interpolymer of an olefin and an α,β-unsaturated carbonyl comonomer, (B) 1 to 90% chlorinated polyolefin, (C) 20 to 45% carbon black, (D) 0.1 to 5% antioxidant, (E) 0.01 to 5% acid scavenger stabilizer; (F) Optionally free radical initiator, (G) Optionally silane functionality, (H) Optionally a sulfur-containing curative, and (I) Optionally a radiation-cure catalyst. | 03-14-2013 |
20130081854 | POLYMER COMPOSITION FOR W&C APPLICATION WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a use of a polymer composition with improved DC electrical properties in a power cable layer and to a cable surrounded by at least one layer comprising the polymer composition. | 04-04-2013 |
20130092416 | CABLE FOR HIGH-VOLTAGE ELECTRONIC DEVICES - A cable for high-voltage electronic devices including an inner semiconductive layer, a high-voltage insulator, an outer semiconductive layer, a shielding layer, and a sheath which are provided on an outer periphery of a cable core part in the order mentioned, wherein the high-voltage insulator is made of an insulating composition whose temperature dependence parameter D | 04-18-2013 |
20130133922 | NEW COMPOSITION AND USE THEREOF - The present invention relates to a cable comprising a novel semiconductive layer. | 05-30-2013 |
20130199820 | SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided. | 08-08-2013 |
20130206452 | ELECTRICAL CABLE THAT IS RESISTANT TO PARTIAL DISCHARGES - An electrical cable ( | 08-15-2013 |
20130206453 | SEMICONDUCTIVE POLYOLEFIN COMPOSITION WHICH CONTAINS EPOXY-GROUPS - The invention relates to a semiconductive polyolefin composition comprising,
| 08-15-2013 |
20130220666 | CABLE COMPRISING A LAYER WHICH IS FORMED OF A COMPOSITION CONTAINING EPOXY-GROUIPS - The invention relates to a cable, comprising a conductor surrounded by one or more layer(s), wherein at least one layer comprises a polyolefin composition comprising,
| 08-29-2013 |
20130306351 | INSULATED ELECTRIC CABLE - An insulated cable is disclosed which comprises an electrical core conductor ( | 11-21-2013 |
20140069689 | Polymer Composition for Electrical Devices - The present invention relates to a polymer composition with improved electrical properties and to a use thereof preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition. | 03-13-2014 |
20140076609 | INSULATION COMPOSITION FOR DC POWER CABLE AND DC POWER CABLE PREPARED BY USING THE SAME - The present invention relates to an insulation composition for a DC power cable and the DC power cable prepared using the same. Specifically, the present invention relates to an improved insulation composition for a DC power cable, which can prevent decrease of DC dielectric strength and decrease of impulse strength caused by accumulation of space charges, and the DC power cable prepared using the same. | 03-20-2014 |
20140083739 | SILICONE MULTILAYER INSULATION FOR ELECTRIC CABLE - An electric cable made from at least one elongated electric conductor and a multilayer insulation surrounding the electric conductor. The multilayer insulation has a first semiconducting layer and an electrically insulating layer, where the two layers are made from a silicone rubber based composition. The semiconducting silicone rubber based composition of the first semiconducting layer has carbon rovings as conductive filler. | 03-27-2014 |
20140182886 | FIELD GRADING LAYER - Method of applying a field grading layer to a power cable is disclosed. The method comprises
| 07-03-2014 |
20140367145 | METHOD OF MANUFACTURING AN ELONGATED ELECTRICALLY CONDUCTING ELEMENT - A method of manufacturing an elongated electrically conducting element having functionalized carbon nanotubes and at least one metal, includes the steps of mixing functionalized carbon nanotubes with at least one metal, to obtain a composite mixture, and forming a solid mass from the composite mixture from step (i). A solid element obtained from the solid mass from step (ii) is inserted into a metal tube, and the metal tube from step (iii) is deformed, to obtain an elongated electrically conducting element. | 12-18-2014 |
20150380128 | FIELD GRADING LAYER - A method is provided for applying a field grading layer to a power cable includes preparing a polymer composition having a polymer matrix, at least one conductive filler different from a non-linear conductive organic filler, and at least one crosslinking agent. The method includes extruding the polymer composition into a crosslinkable field grading tape and winding the crosslinkable field grading tape onto a section of power cable in need of field grading. The crosslinkable tape is crosslinked to obtain a field grading layer. | 12-31-2015 |
20080264671 | Crush Resistant Twisted Pair Communications Cable - Communication cable is provided comprising a twisted pair of polymer insulated conductors, the twisting to form the twisted pair forcing the surface of polymer insulation of each polymer-insulated conductor of said polymer-insulated conductors into contact with one another, the polymer insulation of each polymer-insulated conductor including (i) a foamed portion being crushable by the forcing together of the contacting surfaces of the polymer insulation of each of the polymer-insulated conductors and (ii) a crush-resistant portion extending radially within said insulation into the foamed portion and being present where the surface of the polymer-insulated conductors are into said contact with one another, thereby protecting the foamed portion from crushing by the forcing together of the contacting surfaces. | 10-30-2008 |
20080308296 | Polyolefin Composition For Use As An Insulating Material - The invention relates to a polymer composition, comprising (a) a polyolefin base resin which comprises at least (a1) a first olefin homo- or copolymer fraction, and (a2) a second olefin homo- or copolymer fraction, wherein the weight average molecular weight of the first fraction is lower than the weight average molecular weight of the second fraction, and (b) at least one additive selected from a polar copolymer; a low density polyethylene; an ether and/or ester group containing additive selected from the group consisting of polyethylene glycol, a glycerol ester compound, polypropylene glycol, an amido group containing fatty acid ester, ethoxylated and/or propoxylated pentaerythritol, an alpha-tocopherol ester, an ethoxylated and/or propoxylated fatty acid, and derivatives thereof; or mixtures of these additives. | 12-18-2008 |
20090050347 | INSULATED CONDUCTING DEVICE WITH MULTIPLE INSULATION SEGMENTS - Insulated conducting devices and related methods are disclosed. An insulated conducting device for a voltage structure comprises: a conductor connected to a voltage; and multiple insulation segments enclosing the conductor, the multiple insulation segments interfacing with one another. | 02-26-2009 |
20090211782 | Energy Cable Comprising a Dielectric Fluid and a Mixture of Thermoplastic Polymers - A cable includes at least one electrical conductor and at least one extruded covering layer including a thermoplastic polymer material in admixture with a dielectric liquid, wherein the thermoplastic polymer material includes (a) at least 75% by weight, with respect to the total weight of the thermoplastic polymer material, of at least one copolymer of at least two α-olefin co-monomers, the copolymer having a melting enthalpy lower than 25 J/g; and (b) an amount equal to or less than 25% by weight with respect to the total weight of the thermoplastic polymer material of at least one propylene homopolymer or propylene copolymer with at least one α-olefin, the at least one propylene homopolymer or propylene copolymer having a melting enthalpy higher than 25 J/g and a melting point higher than 130° C. The covering layer has a melting enthalpy equal to or lower than 40 J/g, and the concentration by weight of the dielectric liquid in the thermoplastic polymer material is lower than the saturation concentration of the dielectric liquid in the thermoplastic polymer material. | 08-27-2009 |
20090301756 | Insulated Wire and a Wiring Harness - An insulated wire possessing flame retardancy, and wear resistance which is superior to a conventional insulated wire, which includes a conductor, an inside coat of one or more layers arranged to cover the conductor, and an outside coat arranged to cover the outermost layer of the inside coat, wherein at least the layer of the inside coat which is in contact with the conductor is made from an olefin resin including a functional group, and the outside coat is made from a non-halogenous flame-retardant resin composition. The functional group is preferably one or more sorts of groups selected from a carboxylic acid group, an acid anhydrous group, an epoxy group, a hydroxyl group, an amino group, an alkenyl cyclic imino ether group, and a silane group. | 12-10-2009 |
20100025074 | Electrical conducting wire having liquid crystal polymer insulation - An electrically conducting wire structure and a method for its manufacture where the wire structure has at least one elongated electrically conducting wire and a liquid crystal polymer coating of insulation formed by cross-head extrusion as a layer around the electrically conducting wire. An abrasion layer is preferably formed over the liquid crystal polymer coating to increase abrasion resistance, the elongated electrically conducting wire is selected from the group comprising copper, silver, tinned copper, aluminum, and conducting polymers, and the liquid crystal polymer material comprises a thermotropic thermoplastic. | 02-04-2010 |
20100078196 | CATEGORY CABLE USING DISSIMILAR SOLID MULTIPLE LAYER - A flame retardant cable having a conductor, an inner polyolefin insulation layer surrounding the conductor having a first dielectric constant and a first limiting oxygen index, and a least one outer polyolefin insulation layer surrounding the inner insulation layer conductor having a second dielectric constant and a second limiting oxygen index. The first limiting oxygen index and the second limiting oxygen index may be different or the first and second dielectric constants may be different. | 04-01-2010 |
20100147551 | INSULATION-COATED ELECTRIC CONDUCTOR - A multilayer insulation-coated electric conductor for a coil constituting a circuit by forming a welded portion in the coil, wherein at least one layer of the multilayer insulation-coating layers of the coated metal conductor is composed of at least one resin selected from the group consisting of a polyimide resin, a polyesterimide resin, and an H-class polyester resin. | 06-17-2010 |
20100193217 | Process for Preparing and Crosslinking a Cable Comprising a Polymer Composition and a Crosslinked Cable - The application relates to a process for preparing a crosslinked cable, including:—applying one or more layers including a polymer composition on a conductor, wherein at least one layer includes one or more free radical generating agents,—crosslinking by radical reaction said at least one layer comprising said free radical generating agent(s),—cooling the obtained crosslinked cable in pressurized conditions. | 08-05-2010 |
20100218974 | Multi-layer insulated conductor with crosslinked outer layer - An insulated conductor and method for making it are disclosed. The insulated conductor includes an elongate conductor and a two-layer insulation system. The two-layer insulation system has a first insulating layer including an aromatic thermoplastic material adjacent with the elongate conductor. The first insulating layer has a thickness along its length of less than about 0.051 mm (0.002 inch). The insulation system also includes a second insulating layer including a crosslinked fluoropolymer adjacent the first insulating layer. The volume of the first insulating layer is less than about 26% of the total volume of the insulation system. | 09-02-2010 |
20100218975 | Multi-layer insulated conductor with crosslinked outer layer - An insulated conductor and method for making it are provided. The insulated conductor includes an elongate conductor and an insulation system, the insulation system having an extruded inner insulating layer including an aromatic thermoplastic material adjacent the elongate conductor, an extruded intermediate layer adjacent the inner insulating layer, and an extruded outer insulating layer including a crosslinked fluoropolymer adjacent the intermediate layer. The inner insulating layer has a thickness along its length of less than about 0.051 mm (0.002 inch) and has a volume that is less than about 28% of the total volume of the insulation system. | 09-02-2010 |
20100319961 | INSULATED WIRE - There is provided an insulated wire equipped with an insulation film made of polymer alloy, the polymer alloy comprising an amorphous thermosetting resin and an amorphous thermoplastic resin, in which: the insulation film has a sea-island structure; the amorphous thermosetting resin is a sea component of the sea-island structure; and the amorphous thermoplastic resin is an island component of the sea-island structure. | 12-23-2010 |
20110061893 | WATER TREE RETARDING COMPOSITION - The present invention relates to a crosslinkable polymer composition, comprising (i) an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of more than 0.37, and (ii) at least one ether and/or ester group containing additive selected from the group consisting of polyethylene glycol, a glycerol ester compound, polypropylene glycol, an amido group containing fatty acid ester, ethoxylated and/or propoxylated pentaerythritol, an alpha-tocopherol ester, an ethoxylated and/or propoxylated fatty acid, and derivatives thereof. | 03-17-2011 |
20110083878 | COMMUNICATION CABLE - The present invention relates generally to cables suitable for use in plenum applications. In particular, the present invention relates to coaxial cables suitable for use in plenum applications (which exhibit flame spread and smoke generation properties that comply with industry standards, e.g., UL 910 or NFPA 262) without compromising electrical performance. The cable has two or more layers of insulation where the inner layer is made of a material having a high melt flow index and the outer layer is made of a material having a low melt flow index. | 04-14-2011 |
20110127067 | INSULATED WIRE - An insulated wire includes a conductor, and an insulating covering layer formed on a periphery of the conductor and including two or more insulating coatings. The insulating coatings include a polyamide-imide resin insulating material represented by chemical formula 1: | 06-02-2011 |
20110139487 | WIRE CONSTRUCTION FOR CABLES HAVING INSULATION AND FUNCTIONALITY APPLYING IN CASE OF FIRE - A wire for use in electric cables, has a fire-resistant insulation based on cross-linkable polymers including ceramic-forming additives. The insulation surrounds a conductor, wherein the insulation has a first layer of a first composition, and a second layer of a second composition surrounding the outside of the first layer, the first and the second compositions including different ceramic forms in the composition because the second outer layer is formed at a lower temperature range than the composition of the inner first layer. | 06-16-2011 |
20110162869 | PROCESS FOR PRODUCING A POLYMER AND A POLYMER FOR WIRE AND CABLE APPLICATIONS - The invention relates to a process for producing a cable in a continuous vulcanization (CV) line, which cable comprises a conductor surrounded by one or more layers,
| 07-07-2011 |
20110174521 | Flame retardant, low smoke emission, halogen free 600 V energy cable with polyolefin insulation and polyamide jacket - Flame retardant, low smoke emission and halogen free energy cable with silane cross-linked polyolefin insulation and polyamide jacket for electrical installations up to 600 V, based on: a) an electric conductor core made of copper or aluminum; b) an insulating layer made of silane cross-linked polyethylene; and c) a flame retardant nylon-6 jacket with low smoke emission; characterized in that said core a) is based on a plurality of soft copper wires with electrical resistivity no greater than 17,241 nOhm.m (0.15328 Ohm.g/m | 07-21-2011 |
20110192632 | INSULATED WIRE - There is provided an insulated wire having an insulation film composed of a plurality of layers provided on a conductor, in which: the insulation film includes a first film layer and a second film layer; the first film layer is made of a first resin composition formed by graft-polymerizing a graft compound with an ethylene-tetrafluoroethylene copolymer and is provided on a circumference of the conductor; and the second film layer is made of a second resin composition being a polymer alloy made of a polyphenylene sulfide resin and a polyamide resin, or being a polymer alloy made of a polyether ether ketone resin and a polyamide resin and is provided on a circumference of the first film layer. | 08-11-2011 |
20110226508 | INSULATED WIRE - An inverter surge-resistant insulated wire, having an enamel baked layer, an adhesive layer, and an extrusion-coated resin layer, around the outer periphery of a conductor, wherein the sum of the thickness of the enamel baked layer, the extrusion-coated resin layer, and the adhesive layer is 60 μm or more, wherein the thickness of the enamel baked layer is 50 μm or less, and wherein the extrusion-coated resin layer is formed from a polyphenylene sulfide resin composition, which contains a polyphenylene sulfide polymer having a melt viscosity at 300° C. of 100 Pa·s or more, 2 to 8 mass % of a thermoplastic elastomer, and an antioxidant, and which has a tensile modulus of elasticity at 25° C. of 2,500 MPa or more, and a tensile modulus of elasticity at 250° C. of 10 MPa or more. | 09-22-2011 |
20110284260 | MASTERBATCH AND PROCESS FOR PREPARING A POLYMER COMPOSITION - The present invention relates to a process for preparing a polymer composition by using a masterbatch, as well as a process, wherein said polymer composition is used for preparing an article, preferably a cable. Also a masterbatch, a polymer composition comprising the masterbatch, and an article, preferably a cable, comprising the polymer composition are provided. | 11-24-2011 |
20110290529 | CABLE AND POLYMER COMPOSITION COMPRISING A MULTIMODAL ETHYLENE COPOLYMER - The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material. | 12-01-2011 |
20120055694 | Metallic Wire Tracer Element Including Woven Protective Tube and Methods of Making Same - A detectable tracer element for use in underground detection applications includes a metallic wire, a non-fibrous insulating jacket integral with the wire, and a flexible, cut-resistant, non-electrically shielding woven protective tube surrounding the wire and jacket combination. The woven protective tube includes a plurality of non-metallic fibers woven around the wire and jacket combination such that the combination is disposed within the interior of the protective tube. In one configuration of the invention, the woven protective tube defines a substantially oval or circular tube weave. The substantially oval or circular tube weave is woven, such that, the tube weave is pulled or stitched into a flattened configuration for use in underground applications. | 03-08-2012 |
20120090874 | HIGH PERFORMANCE, HIGH TEMPERATURE LIGHTWEIGHT FILM, TAPE OR SHEATH FOR WIRE INSULATION - A thin, lightweight insulated wire comprises a core ( | 04-19-2012 |
20120103658 | COAXIAL CABLE CENTER CONDUCTOR HAVING MULTIPLE PRECOAT LAYERS - Disclosed herein is a coaxial cable that includes a center conductor and a first precoat layer surrounding and adjacent to the center conductor. The first precoat layer is configured to prevent moisture located circumferentially outward to the first precoat layer from contacting the center conductor. The coaxial cable includes a second precoat layer surrounding and adjacent to the first precoat layer. The second precoat layer is configured to prevent moisture located circumferentially outwardly to the second precoat layer from contacting the first precoat layer. The coaxial cable further includes a dielectric surrounding and adjacent to the second precoat layer. | 05-03-2012 |
20120152591 | POLYIMIDES AND FLUOROPOLYMER BONDING LAYER WITH IMPROVED COPPER HEAT SEAL STRENGTH - Multilayer polyimide-fluoropolymer insulation structures exhibiting excellent copper heat seal strength and superi- or internal adhesion strength comprise a layer of polyimide having first and second major surfaces and at least a first fluoropolymer layer wherein the first fluoropolymer layer comprises fluoropolymer, metal oxide and ammonium salt. Protected wire or cable using the multilayer insulation structures, are also described. | 06-21-2012 |
20120222884 | INSULATED WIRE - It is an objective of the present invention to provide an insulated wire having partial discharge resistance comparable to or higher than those of conventional insulated wires even in unstable operating environments. There is provided an insulated wire including: a wire conductor; a first insulation coating formed around the wire conductor, the first insulation coating including inorganic fine particles dispersed therein; and a second insulation coating formed between the first insulation coating and the wire conductor, a relative dielectric constant of the second insulation coating being lower than that of the first insulation coating. | 09-06-2012 |
20120305287 | FIRE-RETARDANT COPOLYETHERESTER COMPOSITION AND ARTICLES COMPRISING THE SAME - Disclosed herein is a fire-retardant copolyetherester composition comprising: (a) at least one copolyetherester; (b) about 5-30 wt. % of at least one halogen-free flame retardant; (c) about 0.1-20 wt. % of at least one nitrogen-containing compound; and (d) about 0.01-5 wt. % of at least one ammonium molybdate, the weight percentages being based on the total weight of (a) plus (b) plus (c) plus (d). Further disclosed herein are articles comprising component parts formed of the fire-retardant copolyetherester composition. | 12-06-2012 |
20130000951 | INSULATED ELECTRIC WIRE AND COIL USING SAME - An insulated electric wire includes a conductor and an insulating coating provided around a perimeter of the conductor. The insulating coating includes a first insulating coating film around the perimeter of the conductor, the first insulating coating film being formed of a resin containing an imide structure in its molecule, and a second insulating coating film around a perimeter of the first insulating coating film, the second insulating coating film being formed of a polyimide resin comprising a repeat unit represented by Formula 1, and having an imide concentration of not less than 15% and not more than 36%, | 01-03-2013 |
20130020107 | PRIMARY WIRE FOR MARINE AND SUB-SEA CABLE - Primary wire for marine or undersea cable comprises a conducting core ( | 01-24-2013 |
20130032377 | INSULATED WIRE AND METHOD OF MANUFACTURING THE SAME - An insulated wire includes a conductor, and an insulation covering layer around the conductor. The insulation covering layer includes a resin composition containing a resin (A) including at least one of a polyphenylene sulfide resin and a polyetheretherketone resin and a resin (B) containing a polyethylene. The resin composition has a storage elastic modulus at 150° C. of not less than 1×10 | 02-07-2013 |
20130062097 | HIGH TEMPERATURE INSULATING TAPE AND WIRE OR CABLE SHEATHED THEREWITH - A composite insulating tape ( | 03-14-2013 |
20130068500 | INSULATED WIRE - The present invention provides an insulated wire having a conductor and at least two insulating coating layers formed surrounding the conductor, wherein the insulating coating layers comprises the outermost layer thereof, which has a thickness in the range of 20 to 50% based on the total thickness of the insulating coating layers and comprises a polyimide resin; and a base insulating coating layer in contact with the conductor, which has a thickness in a range of 50 to 80% based on the total thickness of the insulating coating layers and comprises a polyamide-imide resin having an adhesion-improving agent. The insulated wire of the present invention has insulating coating layers having superior coating adhesion as well as good heat-resistance. | 03-21-2013 |
20130140056 | WATERPROOF STRUCTURE FOR CONDUCTIVE PATH - The present invention provides a waterproof structure for a conductive path which waterproofs a conductive path without imposing an unnecessary load on a conductor, and can sufficiently obtain a creepage distance. | 06-06-2013 |
20130146330 | FLAME-RETARDANT COPOLYETHERESTER COMPOSITION AND ARTICLES COMPRISING THE SAME - Disclosed herein is a flame-retardant copolyetherester composition comprising: (a) at least one copolyetherester; (b) about 5-35 wt % of at least one halogen-free flame retardant; (c) about 0.1-20 wt % of at least one nitrogen-containing compound; (d) about 0.1-10 wt % of at least one aromatic phosphate and (e) about 0.1-10 wt % of at least at least one novolac resin. Further disclosed herein are articles comprising component parts formed of the flame-retardant copolyetherester composition. | 06-13-2013 |
20130161065 | INSULATED WIRE AND COIL - An insulated wire includes a conductor, and an insulating covering layer including a first insulation layer formed around the conductor and a second insulation layer formed around the first insulation layer. An elastic modulus of the second insulation layer at 300° C. is not less than 300 MPa, and a relative permittivity of the insulating covering layer is not more than 3.0. | 06-27-2013 |
20130175070 | Coated Conductor with Voltage Stabilized Inner Layer - Disclosed are polymeric compositions with improved breakdown strength. The polymeric compositions contain a polyolefin and a voltage stabilizing agent. The voltage stabilizing agent contains a triazine. The triazine may include a substituent that enables keto-enol tautomerism, which provides the voltage stabilizing agent with additional energy dissipation capacity. The present polymeric compositions exhibit improved breakdown strength when applied as an insulating layer for power cable. | 07-11-2013 |
20130180755 | ELECTRIC CABLE FOR NUCLEAR POWER PLANT EASY TO MONITOR CONDITION AND FABRICATION METHOD THEREOF - An electric cable for a nuclear power plant that allows easy monitoring of its condition for long term use in a nuclear power plant, and a fabrication method thereof is provided. The electric cable for a nuclear power plant includes at least one core having a conductor and an insulating body coating the conductor, and a sheath body surrounding the core, and the insulating body and the sheath body are made of the same composition. | 07-18-2013 |
20130180756 | METHOD FOR PRODUCING AN ELECTRICAL INSULATION MATERIAL, ELECTRICAL INSULATION MATERIAL AND ELECTRICAL MACHINE - A method for producing an electrical insulation material includes the steps: providing a liquid-crystalline polymer; shaping the liquid-crystalline polymer to give an insulation film in such a manner that the mesophase of the liquid-crystalline polymer is present in the insulation film, whereby the molecules of the polymer are aligned in a preferred direction in the insulation film; laminating a plurality of insulation films to give a layer complex forming the electrical insulation material, wherein the layer complex has at least one insulation film which differs in the preferred direction of the molecules thereof from the preferred direction of the molecules of another insulation film. | 07-18-2013 |
20130213688 | MODIFIED POLYMER COMPOSITIONS, MODIFICATION PROCESS AND FREE RADICAL GENERATING AGENTS FOR I.A. WIRE AND CABLE APPLICATIONS - A compound of formula (I) as defined in claims. | 08-22-2013 |
20130220667 | Composition for low smoke, flame retardant, halogen-free, thermoplasticinsulation showing good electrical, properties in water - The present invention relates to the development of a polyolefin-based composition for manufacturing halogen-free, flame retardant, low smoke emission, thermoplastic insulations showing good electrical properties in water for use in electrical conductor cables. The composition applied as insulation, besides granting the above mentioned features, also shows good characteristics during the extrusion process, so that it can be processed at high speed in the equipment used for its application. | 08-29-2013 |
20130240245 | METHODS OF MANUFACTURING WIRE, WIRE PRE-PRODUCTS AND WIRES - Exemplary methods for manufacturing a wire and resultant wires are disclosed herein. The method includes extruding a receptor cross-linkable polymer that is substantially free of curing agent about a conductive core and extruding a donor polymer in association with a curing agent. The method includes disposing the donor polymer about the receptor polymer and conductive core to create a multi-layer wire pre-product. The method also includes heat curing a multi-layer wire pre-product to form a wire. | 09-19-2013 |
20130255992 | INSULATED WIRE - An insulated wire includes a conductor and an insulation covering formed thereon. The insulation covering includes a first insulation covering layer formed directly on the conductor and a second insulation covering layer formed on a periphery of the first insulation covering layer. The first insulation covering layer includes a resin composition including a resin (A) including polyphenylene sulfide and a resin (B) including polyamide mixed at a mass ratio in a range of “30/70≦B/A≦90/10”. The second insulation covering layer includes a resin composition mainly including a resin (C) including polyphenylene sulfide or polyetheretherketone. | 10-03-2013 |
20130313000 | POLYMER COMPOSITION - The invention relates to a polymer composition comprising a polyolefin (A) and an antioxidant. | 11-28-2013 |
20130341068 | MICA-BASED STRIP - The present invention relates to a multilayer strip ( | 12-26-2013 |
20140102758 | High Temperature Insulating Tape and Wire or Cable Sheathed Therewith - A composite coating includes a first layer, a second layer, and a fluoropolymer film disposed on the second layer. The first layer includes a polymer matrix with mica particles dispersed throughout, while the second layer includes a polyether ether ketone (PEEK). | 04-17-2014 |
20140124238 | Polymer Composition for Electrical Devices - The present invention relates to a use of a polymer composition preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition. | 05-08-2014 |
20140138118 | NON-HALOGEN MULTILAYER INSULATED WIRE - A non-halogen multilayer insulated wire includes a conductor, an inner layer covering the conductor, and an outer layer on the inner layer. The inner layer includes a polyolefin resin composition including a high density polyethylene and a copolymer in a mass ratio on the range of 50:50 to 90:10, and the copolymer includes one of an ethylene-ethyl acrylate copolymer including 9% to 35% by mass of ethyl acrylate and an ethylene-vinyl acetate copolymer including 15% to 45% by mass of vinyl acetate. The outer layer is made of a polyester resin composition that includes a base polymer mainly including a polyester resin and further includes, relative to 100 parts by mass of the base polymer, 50 to 150 parts by mass of a polyester block copolymer, 0.5 to 5 parts by mass of a hydrolysis inhibitor, and 0.5 to 5 parts by mass of an inorganic porous filler. | 05-22-2014 |
20140138119 | NON-HALOGEN MULTILAYER INSULATED WIRE AND METHOD FOR PRODUCING THE SAME - A non-halogen multilayer insulated wire includes a conductor, an inner layer covering the conductor, and an outer layer formed on the external surface of the inner layer. The inner layer includes a polyolefin resin composition including 60 to 95 parts by mass of a high density polyethylene, 5 to 40 parts by mass of an ethylene copolymer, and 0.1 to 1 part by mass of a metal damage inhibitor. The outer layer includes a polyester resin composition that includes a base polymer mainly including a polyester resin, and further includes, relative to 100 parts by mass of the base polymer, 50 to 150 parts by mass of a polyester block copolymer, 0.5 to 5 parts by mass of a hydrolysis inhibitor, 0.5 to 5 parts by mass of an inorganic porous filler, and 10 to 30 parts by mass of magnesium hydroxide. | 05-22-2014 |
20140151084 | Cover Assemblies and Methods for Covering Electrical Cables and Connections - A cold-applied cover assembly for environmentally protecting an electrical substrate includes a cold-applied polymeric cover member configured to surround the electrical substrate, and a gas transmission barrier (GTB) layer. The GTB layer is configured to surround the electrical substrate to define a protected chamber containing the electrical substrate and to inhibit ingress of a gas through the cover assembly into the protected chamber. | 06-05-2014 |
20140190724 | MULTI-LAYER INSULATED CONDUCTOR HAVING IMPROVED SCRAPE ABRASION RESISTANCE - An insulated conductor and method for making it are disclosed. The insulated conductor includes an elongate conductor and a multi-layer insulation system. The multi-layer insulation system has a first insulating layer including an aromatic thermoplastic material overlying the elongate conductor and a second insulating layer including a perfluoropolymer adjacent the first insulating layer. The first and second insulating layers are each applied to a thickness such that the multi-layer insulation system exhibits a scrape abrasion resistance that is significantly greater than sum of the scrape abrasion resistance of the first and second insulating layers individually at that thickness. | 07-10-2014 |
20140202732 | POWER CABLE DESIGN - The present invention is an improved power cable construction. | 07-24-2014 |
20140246221 | Electrical Insulation System - An electrical insulation system includes a first insulation layer having a first polymer and a first filler in the form of nanoparticles, and a second insulation layer including a second polymer and a second filler in the form of either chromium oxide, Cr | 09-04-2014 |
20150129279 | ACETYLATED POLYOL HYDROXYSTEARATE PLASTICIZERS AND PLASTICIZED POLYMERIC COMPOSITIONS - Plasticizers comprising an acetylated polyol hydroxystearate and plasticized polymeric compositions comprising such plasticizers. Such plasticized polymeric compositions can be employed in forming various articles of manufacture, such as coated conductors. | 05-14-2015 |
20160055939 | ARRANGEMENT AND CONSTRUCTION FOR AIRFRAME WIRES - An airframe wire is provided having a conductor and a first inner layer of polyimide insulation which is a helically applied tape including a polyimide component. A second outer layer of fluoropolymer insulation is a helically applied tape made from PTFE, where the second outer PTFE layer of fluoropolymer insulation is constructed as a substantially seamless outer layer so as to provide a hydrostatic barrier for the underlying inner first layer. | 02-25-2016 |
20160163414 | CROSSLINKABLE HALOGEN-FREE RESIN COMPOSITION, CROSS-LINKED INSULATED WIRE AND CABLE - A crosslinkable halogen-free resin composition includes a polymer blend, and a metal hydroxide mixed in an amount of 120 to 200 parts by mass per 100 parts by mass of the polymer blend. The polymer blend includes a maleic anhydride-modified high-density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of a maleic anhydride modified ethylene-α-olefin copolymer and 10 to 30 parts by mass of an ethylene-acrylic ester copolymer. | 06-09-2016 |
20160163417 | CROSSLINKABLE HALOGEN-FREE RESIN COMPOSITION, CROSS-LINKED INSULATED WIRE AND CABLE - A crosslinkable halogen-free resin composition includes a polymer blend, and a metal hydroxide mixed in an amount of 120 to 200 parts by mass per 100 parts by mass of the polymer blend. The polymer blend includes a high-density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of a maleic anhydride modified ethylene-α-olefin copolymer and 10 to 30 parts by mass of an ethylene-vinyl acetate copolymer. | 06-09-2016 |
174122000 |
Fibrous or fabric | 2 |
20110174522 | COMPOSITE MATERIALS - A prepreg comprising resin and at least one fibre layer and further comprising an electrically insulating layer and an electrically conducting layer is provided, and particularly wherein the conductive layer is at or near the top surface, beneath that is the insulating layer and beneath that is a fibre/resin interleaf structure. | 07-21-2011 |
20120097423 | COAXIAL CABLE CENTER CONDUCTOR PRECOAT LAYER - Disclosed herein is a coaxial cable that includes a center conductor. The coaxial cable further includes a precoat layer surrounding and adjacent to the center conductor. The precoat layer is configured to prevent moisture located circumferentially outward to the precoat layer from contacting the center conductor. Further, the coaxial cable includes a dielectric surrounding and adjacent to the precoat layer. | 04-26-2012 |
20110174522 | COMPOSITE MATERIALS - A prepreg comprising resin and at least one fibre layer and further comprising an electrically insulating layer and an electrically conducting layer is provided, and particularly wherein the conductive layer is at or near the top surface, beneath that is the insulating layer and beneath that is a fibre/resin interleaf structure. | 07-21-2011 |
20120097423 | COAXIAL CABLE CENTER CONDUCTOR PRECOAT LAYER - Disclosed herein is a coaxial cable that includes a center conductor. The coaxial cable further includes a precoat layer surrounding and adjacent to the center conductor. The precoat layer is configured to prevent moisture located circumferentially outward to the precoat layer from contacting the center conductor. Further, the coaxial cable includes a dielectric surrounding and adjacent to the precoat layer. | 04-26-2012 |
174120000 |
Fluid-type cable paper | 1 |
20080277139 | Sealing Tape - A cable joint includes at least two cables each having inner conducting elements. At least one of the cables has a layer of paper insulation impregnated with an oil. The inner conducting elements of the cables are secured to each other at a junction. A sealing tape has an inner layer and an outer layer. The sealing tape is wrapped about the junction such that the inner layer is in contact with the cables. The inner layer is provided with a deformable oil barrier including a sealing mastic that is resistant to chemical attack from the oil and resistant to migration of the oil there through. The outer layer carries the inner layer. The outer layer is provided with a substantially rigid tape that is resistant to deformation and expansion of the inner layer that forms a protective sleeve about the inner layer. | 11-13-2008 |
20080302556 | Enhanced Electrical Seismic Land Cable - An electrical cable comprises a cable core comprising at least one electrical conductor, at least one polymeric inner layer enclosing the cable core, and at least one polymeric outer layer enclosing the cable core and the inner layer to form the electrical cable, the outer layer operable to maintain integrity of the cable within a predetermined temperature range. | 12-11-2008 |
20090038821 | COVERED ELECTRIC WIRE AND COAXIAL CABLE - The present invention provides a covered electric wire having a covering excellent in electrical characteristics and thermal stability as well as in crack resistance. The present invention is related to a covered electric wire comprising a core wire covered with a tetrafluoroethylene [TFE]-based copolymer comprising TFE-derived TFE units and perfluoro (alkyl vinyl ether) [PAVE]-derived PAVE units, a content of said PAVE unit being in excess of 5% by mass and not higher than 20% by mass relative to all monomer units, containing less than 10 unstable terminal groups per 1×10 | 02-12-2009 |
20090071692 | PROCESS FOR THE PRODUCTION OF A MULTIPOLAR CABLE, AND MULTIPOLAR CABLE PRODUCED THEREFROM - The present invention relates to a manufacturing process of a multipolar cable comprising at least one pair of cores, each core comprising at least one conductive element and at least one layer of electrical insulation in a position which is radially external to said at least one conductive element. This process comprises the steps of: a) assembling said at least one pair of cores so as to form an assembled element having a plurality of interstitial zones between said cores, and b) depositing by co-extrusion an expandable polymeric material in a position which is radially external to said cores so as to fill said interstitial zone and to form a filling layer of substantially zone and to form a filling layer of substantially circular transverse cross section, and at least one containment layer of polymeric, and at least one containment layer of polymeric material in a position radially external to said filling layer. The present invention also relates to a multipolar cable obtained from said process. | 03-19-2009 |
20090183897 | ULTRA HIGH-SPEED COAXIAL CABLE - A cable for the ultra high-speed communication of high-frequency signals. The cable includes a longitudinal conductor and an insulator sheath at least partially covering the longitudinal conductor. The cable further includes an inner conductive sheath disposed about an outer periphery of the insulator sheath and an outer insulator jacket disposed about an outer periphery of the inner conductive sheath. The insulator sheath is manufactured from a high-purity fluorinated ethylene propylene. | 07-23-2009 |
20090250243 | Arc resistant and smooth wire - A wire is constructed having a conductor, a primary insulation layer and a secondary insulation layer. A third insulation layer is applied over the second insulation layer, where the third insulation layer includes the only marking additives used in the three insulation layers of the wire. | 10-08-2009 |
20090308634 | COMMUNICATION CABLE OF HIGH CAPACITY - In communication cable of high capacity according to present invention, conductor of diameter d is coated by insulation material to form wire of diameter D, plural number of said wire are twisted by pitch p to form pairs, plural number of said pairs are twisted by collective pitch P, and said communication cable of high capacity comprise sheath wrapping said pairs, and impedance (Z) of said wire is from 90 to 110, and, diameter (d) of said conductor is from 0.53 mm to 0.65 mm, and diameter (D) of wire is from 0.9 mm to 1.1 mm, and said pitch (p) is from 8 mm to 25 mm, and said collective pitch (P) is from 40 mm to 150 mm, and relative ratio of diameter of wires to diameter of conductor D/d is from 1.625 to 1.835. And, by impedance matching between equipment for data transmission, return loss of cable can be minimized, so high speed data transmission can be made. | 12-17-2009 |
20100032185 | Method for Water-Sealing Treatment of On-Vehicle Electric Cables - The present invention is intended to enable a efficient water-sealing treatment for an on-vehicle electric cable | 02-11-2010 |
20110005807 | PROTECTIVE DEVICE, PARTICULARLY FOR CONNECTION ELEMENT - A protective device includes a mechanical protective sheath ( | 01-13-2011 |
20110048768 | POWER CABLE - A power cable ( | 03-03-2011 |
20110168427 | PROCESS FOR PRODUCING A POLYMER AND A POLYMER FOR WIRE AND CABLE APPLICATIONS - The invention relates to a method for producing a polymer using a chain transfer agents. In particular, the invention relates to a process for polymerizing a polymer in the presence of a mixture of at least two chain transfer agents, which mixture comprises
| 07-14-2011 |
20110220391 | BEND RESISTANT CABLE - A bend resistant cable includes a stranded wire including a plurality of child stranded conductors each having a plurality of strands, the plurality of child stranded conductors being circumferentially disposed and stranded. A stranding direction of the plurality of strands of the child stranded conductors circumferentially adjacent to each other is different from each other. | 09-15-2011 |
20120175146 | CABLE WITH LESS RESIDUAL BEND - A cable with less residual bend includes a sheath as an outermost layer; and a thread for correcting a residual bend. The thread is provided inside the sheath and disposed in parallel with a center axis of the cable along a longitudinal direction of the cable. | 07-12-2012 |
20120261161 | METHODS OF MANUFACTURING WIRE, MULTI-LAYER WIRE PRE-PRODUCTS AND WIRES - Exemplary methods for manufacturing a wire and resultant wires are disclosed herein. The method includes extruding a receptor cross-linkable polymer that is substantially free of curing agent about a conductive core and extruding a donor polymer in association with a curing agent. The method includes disposing the donor polymer about the receptor polymer and conductive core to create a multi-layer wire pre-product. The method also includes heat curing a multi-layer wire pre-product to form a wire. | 10-18-2012 |
20130264094 | ELECTRICAL CABLE WITH EASILY REMOVABLE CASING - A cable which has at least two strands which each have a conductor surrounded by an insulation, where the strands are surrounded by an inner casing composed of a first polymer mixture and by an outer casing of a second polymer mixture resting on the inner casing, where the polymer components of the first and second polymer mixtures include a thermoplastic elastomer, and where the inner casing is foamed. | 10-10-2013 |
20140166339 | FIRE AND WATER RESISTANT CABLE - The present invention relates to lead-free, halogen-free, and antimony-free cables containing insulations made of (a) a polyolefin; (b) a maleic anhydride modified polyolefin; (c) a butadiene-styrene copolymer; (d) a non-halogen flame retardant; and (e) a silane compound. The cable contains a fire retardant tape between the conductor and the insulation when the insulation thickness is greater than about 75 mils for a 1/0 AWG cable. | 06-19-2014 |
20150357083 | CABLE STRUCTURES WITH MULTI-MATERIAL EXTRUDED STRAIN RELIEFS AND SYSTEMS AND METHODS FOR MAKING THE SAME - Cable structures with multi-material extruded strain reliefs and systems and methods for making the same are provided. In some embodiments, a cable structure may include at least two materials simultaneously extruded through a die and about a conductor. A relationship between the two materials may be changed during the simultaneous extrusion for varying the stiffness of the cable structure, which may thereby provide a strain relief region to the cable structure. One of the two materials may be stiffer than another of the two materials, and the ratio of the amount or thickness of one of the two materials with respect to the amount or thickness of the other of the two materials may be varied during the extrusion process to vary the stiffness of the cable structure along its length for providing the strain relief region. | 12-10-2015 |
20160141072 | ELECTRIC WIRE AND CABLE - An electric wire includes a conductor having a cross-sectional area of not less than 225 mm | 05-19-2016 |
20160141073 | ELECTRIC WIRE AND CABLE - An electric wire includes a conductor having a cross-sectional area of not less than 290 mm | 05-19-2016 |
20160379736 | HIGH-VOLTAGE INSULATOR - A high-voltage insulator has an insulating body which is arranged around a high-voltage conductor. The high-voltage insulator has a damping chamber which at least partially engages around the insulating body and which is filled with an electrically insulating damping medium for damping an action of external mechanical force on the insulating body. A transformer bushing for routing a high-voltage conductor out of a transformer housing in an electrically insulating manner is further disclosed. The transformer bushing is characterized in that the transformer bushing contains a high-voltage insulator. | 12-29-2016 |
20190148037 | Winding Wire Articles Having Internal Cavities | 05-16-2019 |
20090084577 | FLAME-RETARDANT POLY(ARYLENE ETHER) COMPOSITION AND ITS USE AS A COVERING FOR COATED WIRE - A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate but excludes melamine phosphate, melamine pyrophosphate, and melamine polyphosphate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable. | 04-02-2009 |
20100101827 | POLYBUTYLENE NAPHTHALATE-BASED RESIN COMPOSITION AND ELECTRIC WIRE USING THE POLYBUTYLENE NAPHTHALATE-BASED RESIN COMPOSITION - There are provided a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide; and an electric wire using a polybutylene naphthalate-based resin composition, with an insulated coating layer formed on a conductor, by using a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide as an insulating material. | 04-29-2010 |
20100101828 | MAGNET WIRE WITH COATING ADDED WITH FULLERENE-TYPE NANOSTRUCTURES - A magnet wire consists of an electrical conductor and a coating around the electric conductor, the coating is resistant to corona and/or of a low coefficient of friction, and is composed of 82% to 99.95% by weight of polymeric resin, and 0.05% to 18% by weight of fullerene-type nanostructures. | 04-29-2010 |
20100181094 | MAGNETIC WIRE WITH CORONA-RESISTANT COATING - A magnet wire formed by an electric conductor, and a corona-resistant coating disposed around electric conductor; the corona-resistant coating includes a quantity of polymeric resin having a dielectric strength of at least about 7874 V/mm (200 V/mil), and a quantity of conductive polymer having a conductivity in a range from about 1×10 | 07-22-2010 |
20100230133 | Multilayer Insulated Electric Wire - A multilayer insulated electric wire includes a conductor and three or more insulating layers covering the conductor. In the multilayer insulated electric wire, the outermost layer (A) of the insulating layers includes a coating layer formed of a resin composition of a polyamide resin containing copper iodide, and the innermost layer (B) of the insulating layers includes a coating layer formed of a resin composition of 100 parts by mass of a polyester-based resin (B1), all or a part of which is formed of an aliphatic alcohol component bonded with an acid component, and 5 to 40 parts by mass of an ethylene-based copolymer (B2) having side chains of a carboxylic acid or a metal salt of a carboxylic acid. | 09-16-2010 |
20100230134 | METHOD OF MANUFACTURING ELECTRICAL CABLE, AND RESULTING PRODUCT, WITH REDUCED REQUIRED INSTALLATION PULLING FORCE - Disclosed is type THHN cable having a reduced surface coefficient of friction, and the method of manufacture thereof, in which the central conductor core and insulating layer are surrounded by a nylon sheath. A high viscosity, high molecular weight silicone based pulling lubricant for THHN cable, or alternatively, erucamide or stearyl erucamide for small THHN gauge wire, is incorporated, by alternate methods, with the nylon material from which the outer sheath is extruded, and is effective to reduce the required pulling force on the cable during installation. | 09-16-2010 |
20110198109 | INSULATING VARNISH AND PRODUCTION METHOD THEREFOR AND INSULATED ELECTRIC WIRE USING SAME AND PRODUCTION METHOD THEREFOR - An insulating varnish includes a polyamide-imide resin including a repeat unit represented by Formula (1) below derived from a synthesis reaction between a resin component (X) and a diisocyanate component (Y). The resin component (X) is derived from a synthesis reaction between a diamine component including aromatic diamines including g a divalent aromatic group (R) including three or more aromatic rings, and an acid component in the presence of an azeotrope solvent. The diisocyanate component (Y) includes a 2,4′-diphenylmethane diisocyanate (Y | 08-18-2011 |
20110203830 | FOAM ELECTRIC WIRE - A foam electric wire is usable for plenum twisted pair cables, coaxial cables for CATV, cables for HDMI, coaxial cables for antenna wires in mobile communications, coaxial cables for medical applications, coaxial cables for security, and coaxial cables for broadband applications. The foam electric wire includes a conductor and a plurality of coating layers that coat the conductor and consist of perfluoro resin. At least one coating layer is an unexpanded layer. At least one coating layer is an expanded layer whose expansion percentage is 40% or greater. At least one coating layer contains a perfluoro polymer having an MFR of 1-50 g/10 min. The perfluoro polymer has a melt tension of 0.09 N or greater, and/or polymer terminals that are substantially only —CF | 08-25-2011 |
20110240336 | CONDUCTOR INSULATION WITH MICRO OXIDE PARTICLES - An insulated conductor that comprises a conductor and at least one layer of a composite insulation surrounding the conductor. The composite insulation includes insulating material and micro oxide particles adapted to provide at least one of an increase in the flame retardancy of the insulating material and an improvement in the electrical properties of the insulating material. | 10-06-2011 |
20110253420 | FLAME RETARDANT POLYMER COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES - A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable. | 10-20-2011 |
20120138332 | FOAMED ELECTRIC WIRE AND TRANSMISSION CABLE HAVING SAME - The foamed electric wire of the present invention is provided with a conductor and a foamed insulation layer covering the conductor; the foamed insulation layer is obtained by kneading a base resin composed of a high melting point propylene-based resin having a melting point of 150° C. or higher with a master batch containing a thermally decomposing chemical foaming agent and a low melting point propylene-based resin having a melting point of 135° C. or lower and melting the low melting point propylene-based resin followed by foaming by inducing thermal decomposition of the thermally decomposing chemical foaming agent, and a compounding ratio of the low melting point propylene-based resin in the entire resin component formed of the high melting point propylene-based resin and the low melting point propylene-based resin is less than 20% by mass. | 06-07-2012 |
20120181061 | Acetylated Derivatives of Castor Oil and Their Blends with Epoxidized Fatty Acid Esters - The present disclosure is directed to acetylated castor components and compositions including the same. The acetylated castor component may be an acetylated castor oil and/or an acetylated castor wax. The acetylated castor component may be blended with an epoxidized fatty acid ester. The present acetylated castor components and blends find advantageous application as a plasticizer. | 07-19-2012 |
20120285724 | INSULATED WIRE - {Problems} To provide an insulated wire, which is high in a dielectric breakdown resistance even if insulating resin coatings are laminated, because the interlayer adhesiveness is excellent, and which is excellent in a partial discharge resistance, because the dielectric constant is low. | 11-15-2012 |
20130008690 | COMPOSITIONS AND METHODS FOR GROWING COPPER NANOWIRES - A method of synthesis to produce gram-scale quantities of copper nanowires in an aqueous solution, wherein the copper nanowires are dispersed in said solution. Copper nanowires grow from spherical copper nanoparticles within the first 5 minutes of the reaction. Copper nanowires can be collected from solution and printed to make conductive films (preferably <10,000 Ω/sq) that preferably transmit greater than 60% of visible light. | 01-10-2013 |
20130008691 | COMPOSITION FOR WIRE COATING, INSULATED, AND WIRING HARNESS - To provide a composition for a wire coating member containing a non-crosslinked material at a low cost, which has superior flame retardancy, and is excellent in heat resistance, wear resistance and flexibility, and to provide an insulated wire and a wiring harness containing the composition. The composition contains (A) polypropylene, (B) a polyolefin elastomer, (C) a bromine flame retardant, (D) an antimony trioxide, (E) magnesium hydroxide, either one of (F) (F1) a zinc sulfide and (F2) a zinc oxide and (F3) mercaptobenzimidazole, and (G) a hindered phenolic antioxidant. The insulated wire includes a conductor and an insulation coat made from the composition, wherein the insulation coat has a thickness of 0.5 mm or less, and the insulated wire has an external diameter of 4 mm or less. The wiring harness includes the insulated wire. | 01-10-2013 |
20130037305 | ELECTRICAL CONDUCTOR COATED IN A BONDING LAYER, AND A METHOD OF MANUFACTURING SUCH AN ELECTRICAL CONDUCTOR - The invention relates to an electrical conductor coated in an insulating layer itself coated in a bonding layer, the conductor being characterized in that said bonding layer is obtained from a composition comprising a thermoplastics polymer and a settable resin. The invention also applies to a method of manufacturing such an electrical conductor coated in a bonding layer, the method being characterized in that it comprises applying said composition on said electrical conductor coated in said insulating layer, and applying treatment to cause said settable resin to be cured at least in part. | 02-14-2013 |
20130133921 | ANTI-CAPILLARY RESISTOR WIRE - A wire assembly includes a plurality of strength members, a first coating layer disposed on the strength members, and a conductive element helically wound about the first coating layer. The conductive element has a length associated with a predetermined resistance. A second coating layer is disposed on the conductive element, an the second coating layer is applied to the conductive element and the first coating layer via pressure extrusion to eliminate air gaps between at least a portion of the first coating layer and the second coating layer. A method of forming the wire assembly includes coating the strength members with the first coating layer, helically winding the conductive element about the first coating layer, and applying the second coating layer to the conductive element and the first coating layer via pressure extrusion to eliminate air gaps between at least a portion of the first and second coating layers. | 05-30-2013 |
20130153263 | INORGANIC NANOFILLER, PARTIAL DISCHARGE RESISTANT ENAMELED WIRE INCLUDING THE SAME, AND PREPARING METHOD OF THE ENAMELED WIRE - The present disclosure relates to a silane-containing inorganic nanofiller, a varnish including the silane-containing inorganic nanofiller, an enameled wire including the silane-containing inorganic nanofiller, and a method for preparing the enameled wire. | 06-20-2013 |
20130168128 | SUN-LIGHT RESISTANT SELF-LUBRICATED INSULATED CONDUCTOR - A sun-light resistant self-lubricated electrical cable that includes one o more conductors, one or more layers of polyvinyl chloride (PVC) insulating coating surrounding the conductor, and a polyamide sheath surrounding the PVC insulating coating to provide sun-light resistant to said PVC insulating coating, the polyamide sheath is made of a nylon base resin with a hindered amine light stabilizer, an antioxidant; and an ultraviolet absorber. | 07-04-2013 |
20140041897 | CABLE HAVING REDUCED TANGLE ABILITY - Provided is a cable having reduced tangle ability. The cable includes a metal core for transmitting an electrical signal, an insulating coating surrounding the metal core, the insulating coating having flexibility, and a coating layer adhering cured to surround the insulating coating, the coating layer having flexibility and elasticity. The insulating coating is impregnated into a liquid polymer in which powder is mixed, and the liquid polymer is cured so that the coating layer adheres to surround the insulating coating, and the coating layer has a frictional coefficient less than that of the insulating coating, a hydrophobic property greater than that of the insulating coating, and a thickness less than that of the insulating coating. | 02-13-2014 |
20140083738 | NON-HALOGEN FLAME-RETARDANT INSULATED WIRE - A non-halogen flame-retardant insulated wire includes a conductor and an insulating coating layer including an inner layer and an outer layer. The inner layer includes an inner layer resin composition in which 50 to 95 parts by weight of a polyethylene with a density of 0.930 g/cm | 03-27-2014 |
20140326481 | INSULATION SYSTEMS HAVING IMPROVED PARTIAL DISCHARGE RESISTANCE, AND METHOD FOR PRODUCING SAME - Disclosed are insulating electric conductors against partial discharge and a method for producing an insulation system having improved partial discharge resistance and such an insulation system. There is an erosion-inhibiting effect of adhesion promoters, such as organic silicon compounds, added to resin when admixing nano particulate fillers. Good results may be attributable to a type of particle wetting of the nano particles as a result of particle wetting with organosilanes. The admixture of adhesion promoters with the resin before the addition of the nano particulate filler provides considerable advantages. | 11-06-2014 |
20150027748 | INVERTER SURGE-RESISTANT INSULATED WIRE AND METHOD OF PRODUCING THE SAME - An inverter surge-resistant insulated wire, having at least one baked enamel layer around the outer periphery of a conductor having a rectangular cross-section, at least one extrusion-coated resin layer around the outer side thereof, and an adhesive layer having a thickness of 2 to 20 μm between the baked enamel layer and the extrusion-coated resin layer, wherein each of the at least one extrusion-coated resin layer on the adhesive layer is formed by the same resin, a cross-sectional shape of the baked enamel layer and the extrusion-coated resin layer in the cross-section of the inverter surge-resistant insulated wire is rectangular, and in the cross-sectional shape formed by the baked enamel layer and the extrusion-coated resin layer surrounding the conductor in a cross-sectional view, at least a pair of two sides of two pairs of two sides opposing at the upper side and the downside or at the right side and the left side with respect to the conductor each meet the conditions that a total thickness of the baked enamel layer and the extrusion-coated resin layer is 80 μm or more, a thickness of the baked enamel layer is 60 μm or less, a thickness of the extrusion-coated resin layer is 200 μm or less, and the resin of the extrusion-coated resin layer has a melting point of 300° C. or more and 370° C. or less, and a method of producing the inverter surge-resistant insulated wire comprising forming adhesive layer on the outer periphery of the baked enamel layer, and then extruding a thermoplastic resin for forming the extrusion-coated resin layer on the adhesive layer thereby to contact with the adhesive layer, the thermoplastic resin becoming a molten state at a higher temperature than a glass transition temperature of the resin that is used for the adhesive layer. | 01-29-2015 |
20150101845 | INSULATION SYSTEMS WITH IMPROVED RESISTANCE TO PARTIAL DISCHARGE, PRODUCTION METHOD FOR THIS - An insulating system having improved partial discharge resistance includes an insulating tape around a conductor. The tape is a mica tape joined to a carrier. The tape is impregnated with a synthetic resin, and is interspersed with a nanoparticulate filler, present bimodally, in the form of two fractions of the filler differing in particle size and fraction size. An adhesion promoter may be in the resin. | 04-16-2015 |
20160035458 | THE METHOD OF PRODUCING SELF-ROLLING ELONGATE ELEMENT, IN PARTICULAR AN ELECTRIC CABLE AND SELF-ROLLING ELONGATE ELEMENT, IN PARTICULAR AN ELECTRIC CABLE - The subject of the invention is the method of producing self-rolling elongate element, in particular an electric cable and self-rolling elongate element, in particular an electric cable intended especially for power and signal transmission wires, ropes and cords. The essence of the method, according to the invention, consists in applying to the power transmission wires, the outer coating ( | 02-04-2016 |
20160163421 | INSULATING WINDING WIRE HAVING CORONA RESISTANCE - Disclosed is an insulating winding wire having corona resistance, including a conductor and an insulation coating. The insulation coating includes a basal layer applied to cover the conductor and an outer layer applied to cover the basal layer. The basal layer includes at least one resin selected from the group consisting of polyvinylformal resin, polyurethane resin, heat-resistant polyurethane resin, polyester resin, polyester imide resin, polyamide imide resin, polyimide resin and polyamide resin. The basal layer includes 5 to 15 parts by weight of inorganic insulation particles and 1 to 3 parts by weight of an adhesive agent with respect to 100 parts by weight of the resin and the basal layer has a thickness 70 to 80% of the thickness of the insulation coating. | 06-09-2016 |
20160180986 | HYDROPHOBIC FILM COATED CABLE FOR MEDIAL DEVICE | 06-23-2016 |
20160379734 | Radiation Crosslinked Fluoropolymer Compositions Containing Low Level of Extractable Fluorides - A composition for manufacturing a crosslinked ethylene tetrafluoroethylene (ETFE) copolymer with enhanced abrasion resistance and heat resistance is provided, the composition including ETFE, about 0.1-10% w/w of a metal oxide that effectively scavenges high levels of fluoride ions; and a crosslinking agent. Methods of using and making the composition are also provided. | 12-29-2016 |
20120285725 | HIGH VOLTAGE DIRECT CURRENT CABLE HAVING AN IMPREGNATED STRATIFIED INSULATION - A high voltage direct current cable includes at least one electrical conductor, at least one semiconducting layer, at least one stratified insulation made from windings of at least one paper-polypropylene laminate, the stratified insulation being impregnated with at least one electrically insulating fluid having a kinematic viscosity of at least 1,000 cSt at 60EC, wherein the laminate includes at least one paper layer having an air impermeability of at least 100,000 Gurley see. Such a high air impermeability of the paper layer(s) remarkably reduces the swelling of the polypropylene layer(s) during impregnation with a high viscosity insulating fluid, thus preventing delamination, up to the end of the impregnation process for the whole stratified insulation. | 11-15-2012 |
20100186990 | High Voltage Electric Submersible Pump Cable - A cable for transmitting high voltage electricity for use with an electric submersible pump has a plurality of solid conductors for conducting electricity along the length of the cable. The solid conductors are uniformly and firmly bonded to the surrounding insulation with a thin bonding layer applied directly over the conductor. A layer of conductive fabric tape surrounds the insulation to form an outer stress control layer. The insulated conductors are surrounded by an extruded layer of lead. A second layer of fabric tape surrounds the lead. An armored outer layer surrounds the insulated conductors and the lead. Space between the insulated and wrapped conductors and the armored outer layer is filled with a jacket material. | 07-29-2010 |
20110174520 | INSULATED ELECTRIC WIRE - Disclosed is an insulated electric wire having a conductor and one or more insulating layers covering the conductor, the insulated electric wire comprising a polyester-based resin composition which constitutes at least one layer of the insulating layers and comprises a polyester-based resin (A) containing a liquid crystal polymer in an amount of 5-25 parts by mass relative to 75-95 parts by mass of a polyester-based resin other than liquid crystal polymers. | 07-21-2011 |
20100025073 | Semiconductive Polyolefin Composition - The present invention relates to a semiconductive polyolefin composition comprising:
| 02-04-2010 |
20100089611 | Flexible Power Cable with Improved Water Treeing Resistance - The present invention relates to a power cable comprising a conductor, an inner semiconductive layer, an insulation layer and an outer semiconductive layer, wherein the insulation layer comprises a polymer comprising
| 04-15-2010 |
20100108356 | INSULATION-COATED WIRE - An insulation-coated wire has a conductor, and a semiconductive layer provided at an outer periphery of the conductor, the semiconductive layer comprising a resin coating comprising metal fine particles dispersed in a base resin, in which an average particle diameter of the metal fine particles is not greater than 1 μm. | 05-06-2010 |
20100108357 | CROSS-LINKING AGENT - The present invention relates to a crosslinkable polymer composition comprising an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.38, and at least one crosslinking agent being a carbon-carbon initiator that is free of peroxide groups and capable of thermally decomposing into carbon-based free radicals by breaking at least one carbon-carbon single bond, such as 3,4-dimethyl-3,4-diphenylhexane. | 05-06-2010 |
20100181095 | Unsaturated Polymer Composition - The invention relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, including said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating agent for modifying a polymer composition. | 07-22-2010 |
20100181096 | Modified Polymer Compositions, Modification Process and Free Radical Generating Agents - The application relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, including said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating agent for modifying a polymer composition. | 07-22-2010 |
20110114365 | STRIPPABLE SEMICONDUCTIVE COMPOSITION COMPRISING LOW MELT TEMPERATURE POLYOLEFIN - The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and monomer units of an alpha-olefin having at least 4 carbon atoms, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and enhanced mechanical as well as electrical property profile. | 05-19-2011 |
20110162868 | STRIPPABLE SEMICONDUCTIVE COMPOSITION COMPRISING LOW MELT TEMPERATURE POLYOLEFIN - The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and ethylene monomer units, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and mechanical as well as electrical property profile. | 07-07-2011 |
20110220392 | POLYOLEFIN COMPOSITION FOR MEDIUM/EXTRA/HIGH VOLTAGE CABLES COMPRISING BENZOPHENONE-TYPE VOLTAGE STABILIZER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzophenone derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I): wherein one or more of the Carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′ each of which are independently selected from said same groups as R1 to R10; and n=1 to 10; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain heteroatoms and which contains an amine group. | 09-15-2011 |
20120012363 | UNCROSSLINKED POLYETHYLENE COMPOSITION FOR POWER CABLE - Disclosed is uncrosslinked linear medium-density polyethylene resin composition for a power cable, which is applicable to an insulating layer, a semi-conducting layer or a sheath layer. Specifically, the uncrosslinked polyethylene composition includes: 100 parts by weight of a polymer comprising a linear medium-density polyethylene resin comprising an α-olefin having 4 or more carbon atoms as a comonomer and having a melt index of 0.6-2.2 g/10 min (at 190° C. under a load of 5 kg), a differential scanning calorimetry (DSC) enthalpy of 130-190 joule/g and a molecular weight distribution of 2-30; and 0.1 to 10 parts by weight of one or more additive(s) selected from a flame retardant, an oxidation stabilizer, a UV stabilizer, a heat stabilizer and a process aid. | 01-19-2012 |
20120018190 | CABLE WITH HIGH LEVEL OF BREAKDOWN STRENGTH AFTER AGEING - The present invention relates to a cable comprising at least one semiconductive layer and at least one insulation layer, wherein: —the semiconductive layer consists of a composition (A) comprising a polar copolymer (a) and carbon black, and—the insulation layer consists of a composition (B) comprising a polar copolymer (b2), and to a process for the production of such a cable and to the use of such a cable as a power cable. | 01-26-2012 |
20120273253 | CABLE AND PRODUCTION PROCESS THEREOF - A cable comprising a semiconductive layer and an insulation layer with improved DC electrical properties is provided. | 11-01-2012 |
20130025910 | POLYOLEFIN COMPOSITION FOR MEDIUM/HIGH/EXTRA HIGH VOLTAGE CABLES COMPRISING BENZIL-TYPE VOLTAGE STABILISER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzil derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I). wherein one or more of the carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′, each of which are independently selected from said same groups as R1 to R10; and n=2 to 9; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain one or more heteroatoms. | 01-31-2013 |
20130032376 | SEMICONDUCTIVE POLYMER COMPOSITION COMPRISING POLAR COPOLYMER - The present invention relates to a semiconductive polymer composition comprising:—an ethylene copolymer (A) comprising methyl(meth)acrylate co-monomer units, wherein the ethylene copolymer (A) has a melt temperature of 80 ° C. or below, and—carbon black, wherein the ethylene copolymer (A) is produced in a autoclave high pressure reactor or in a multi-feed tubular reactor; to a semiconductive polymer composition comprising—an ethylene copolymer (A) comprising methyl(meth)acrylate, comonomer units; and—carbon black, wherein ethylene copolymer (A) is characterized in that the fraction obtained in the first fractionation step (fraction 1) in the fractionation method of ethylene copolymer (A) as described herein, is present in an amount of not more than 40 wt. % based on the total amount of the ethylene copolymer (A); and to a cable comprising a semiconductive layer comprising the semiconductive polymer composition and to the use of the semiconductive polymer composition in the preparation of a semiconductive layer of a power cable. | 02-07-2013 |
20130062096 | Strippable Insulation Shield for Cables - Strippable semiconductive shields comprise a composition comprising in weight percent (wt %) based on the weight of the composition: (A) 20 to 80% of an interpolymer of an olefin and an α,β-unsaturated carbonyl comonomer, (B) 1 to 90% chlorinated polyolefin, (C) 20 to 45% carbon black, (D) 0.1 to 5% antioxidant, (E) 0.01 to 5% acid scavenger stabilizer; (F) Optionally free radical initiator, (G) Optionally silane functionality, (H) Optionally a sulfur-containing curative, and (I) Optionally a radiation-cure catalyst. | 03-14-2013 |
20130081854 | POLYMER COMPOSITION FOR W&C APPLICATION WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a use of a polymer composition with improved DC electrical properties in a power cable layer and to a cable surrounded by at least one layer comprising the polymer composition. | 04-04-2013 |
20130092416 | CABLE FOR HIGH-VOLTAGE ELECTRONIC DEVICES - A cable for high-voltage electronic devices including an inner semiconductive layer, a high-voltage insulator, an outer semiconductive layer, a shielding layer, and a sheath which are provided on an outer periphery of a cable core part in the order mentioned, wherein the high-voltage insulator is made of an insulating composition whose temperature dependence parameter D | 04-18-2013 |
20130133922 | NEW COMPOSITION AND USE THEREOF - The present invention relates to a cable comprising a novel semiconductive layer. | 05-30-2013 |
20130199820 | SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided. | 08-08-2013 |
20130206452 | ELECTRICAL CABLE THAT IS RESISTANT TO PARTIAL DISCHARGES - An electrical cable ( | 08-15-2013 |
20130206453 | SEMICONDUCTIVE POLYOLEFIN COMPOSITION WHICH CONTAINS EPOXY-GROUPS - The invention relates to a semiconductive polyolefin composition comprising,
| 08-15-2013 |
20130220666 | CABLE COMPRISING A LAYER WHICH IS FORMED OF A COMPOSITION CONTAINING EPOXY-GROUIPS - The invention relates to a cable, comprising a conductor surrounded by one or more layer(s), wherein at least one layer comprises a polyolefin composition comprising,
| 08-29-2013 |
20130306351 | INSULATED ELECTRIC CABLE - An insulated cable is disclosed which comprises an electrical core conductor ( | 11-21-2013 |
20140069689 | Polymer Composition for Electrical Devices - The present invention relates to a polymer composition with improved electrical properties and to a use thereof preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition. | 03-13-2014 |
20140076609 | INSULATION COMPOSITION FOR DC POWER CABLE AND DC POWER CABLE PREPARED BY USING THE SAME - The present invention relates to an insulation composition for a DC power cable and the DC power cable prepared using the same. Specifically, the present invention relates to an improved insulation composition for a DC power cable, which can prevent decrease of DC dielectric strength and decrease of impulse strength caused by accumulation of space charges, and the DC power cable prepared using the same. | 03-20-2014 |
20140083739 | SILICONE MULTILAYER INSULATION FOR ELECTRIC CABLE - An electric cable made from at least one elongated electric conductor and a multilayer insulation surrounding the electric conductor. The multilayer insulation has a first semiconducting layer and an electrically insulating layer, where the two layers are made from a silicone rubber based composition. The semiconducting silicone rubber based composition of the first semiconducting layer has carbon rovings as conductive filler. | 03-27-2014 |
20140182886 | FIELD GRADING LAYER - Method of applying a field grading layer to a power cable is disclosed. The method comprises
| 07-03-2014 |
20140367145 | METHOD OF MANUFACTURING AN ELONGATED ELECTRICALLY CONDUCTING ELEMENT - A method of manufacturing an elongated electrically conducting element having functionalized carbon nanotubes and at least one metal, includes the steps of mixing functionalized carbon nanotubes with at least one metal, to obtain a composite mixture, and forming a solid mass from the composite mixture from step (i). A solid element obtained from the solid mass from step (ii) is inserted into a metal tube, and the metal tube from step (iii) is deformed, to obtain an elongated electrically conducting element. | 12-18-2014 |
20150380128 | FIELD GRADING LAYER - A method is provided for applying a field grading layer to a power cable includes preparing a polymer composition having a polymer matrix, at least one conductive filler different from a non-linear conductive organic filler, and at least one crosslinking agent. The method includes extruding the polymer composition into a crosslinkable field grading tape and winding the crosslinkable field grading tape onto a section of power cable in need of field grading. The crosslinkable tape is crosslinked to obtain a field grading layer. | 12-31-2015 |
20080264671 | Crush Resistant Twisted Pair Communications Cable - Communication cable is provided comprising a twisted pair of polymer insulated conductors, the twisting to form the twisted pair forcing the surface of polymer insulation of each polymer-insulated conductor of said polymer-insulated conductors into contact with one another, the polymer insulation of each polymer-insulated conductor including (i) a foamed portion being crushable by the forcing together of the contacting surfaces of the polymer insulation of each of the polymer-insulated conductors and (ii) a crush-resistant portion extending radially within said insulation into the foamed portion and being present where the surface of the polymer-insulated conductors are into said contact with one another, thereby protecting the foamed portion from crushing by the forcing together of the contacting surfaces. | 10-30-2008 |
20080308296 | Polyolefin Composition For Use As An Insulating Material - The invention relates to a polymer composition, comprising (a) a polyolefin base resin which comprises at least (a1) a first olefin homo- or copolymer fraction, and (a2) a second olefin homo- or copolymer fraction, wherein the weight average molecular weight of the first fraction is lower than the weight average molecular weight of the second fraction, and (b) at least one additive selected from a polar copolymer; a low density polyethylene; an ether and/or ester group containing additive selected from the group consisting of polyethylene glycol, a glycerol ester compound, polypropylene glycol, an amido group containing fatty acid ester, ethoxylated and/or propoxylated pentaerythritol, an alpha-tocopherol ester, an ethoxylated and/or propoxylated fatty acid, and derivatives thereof; or mixtures of these additives. | 12-18-2008 |
20090050347 | INSULATED CONDUCTING DEVICE WITH MULTIPLE INSULATION SEGMENTS - Insulated conducting devices and related methods are disclosed. An insulated conducting device for a voltage structure comprises: a conductor connected to a voltage; and multiple insulation segments enclosing the conductor, the multiple insulation segments interfacing with one another. | 02-26-2009 |
20090211782 | Energy Cable Comprising a Dielectric Fluid and a Mixture of Thermoplastic Polymers - A cable includes at least one electrical conductor and at least one extruded covering layer including a thermoplastic polymer material in admixture with a dielectric liquid, wherein the thermoplastic polymer material includes (a) at least 75% by weight, with respect to the total weight of the thermoplastic polymer material, of at least one copolymer of at least two α-olefin co-monomers, the copolymer having a melting enthalpy lower than 25 J/g; and (b) an amount equal to or less than 25% by weight with respect to the total weight of the thermoplastic polymer material of at least one propylene homopolymer or propylene copolymer with at least one α-olefin, the at least one propylene homopolymer or propylene copolymer having a melting enthalpy higher than 25 J/g and a melting point higher than 130° C. The covering layer has a melting enthalpy equal to or lower than 40 J/g, and the concentration by weight of the dielectric liquid in the thermoplastic polymer material is lower than the saturation concentration of the dielectric liquid in the thermoplastic polymer material. | 08-27-2009 |
20090301756 | Insulated Wire and a Wiring Harness - An insulated wire possessing flame retardancy, and wear resistance which is superior to a conventional insulated wire, which includes a conductor, an inside coat of one or more layers arranged to cover the conductor, and an outside coat arranged to cover the outermost layer of the inside coat, wherein at least the layer of the inside coat which is in contact with the conductor is made from an olefin resin including a functional group, and the outside coat is made from a non-halogenous flame-retardant resin composition. The functional group is preferably one or more sorts of groups selected from a carboxylic acid group, an acid anhydrous group, an epoxy group, a hydroxyl group, an amino group, an alkenyl cyclic imino ether group, and a silane group. | 12-10-2009 |
20100025074 | Electrical conducting wire having liquid crystal polymer insulation - An electrically conducting wire structure and a method for its manufacture where the wire structure has at least one elongated electrically conducting wire and a liquid crystal polymer coating of insulation formed by cross-head extrusion as a layer around the electrically conducting wire. An abrasion layer is preferably formed over the liquid crystal polymer coating to increase abrasion resistance, the elongated electrically conducting wire is selected from the group comprising copper, silver, tinned copper, aluminum, and conducting polymers, and the liquid crystal polymer material comprises a thermotropic thermoplastic. | 02-04-2010 |
20100078196 | CATEGORY CABLE USING DISSIMILAR SOLID MULTIPLE LAYER - A flame retardant cable having a conductor, an inner polyolefin insulation layer surrounding the conductor having a first dielectric constant and a first limiting oxygen index, and a least one outer polyolefin insulation layer surrounding the inner insulation layer conductor having a second dielectric constant and a second limiting oxygen index. The first limiting oxygen index and the second limiting oxygen index may be different or the first and second dielectric constants may be different. | 04-01-2010 |
20100147551 | INSULATION-COATED ELECTRIC CONDUCTOR - A multilayer insulation-coated electric conductor for a coil constituting a circuit by forming a welded portion in the coil, wherein at least one layer of the multilayer insulation-coating layers of the coated metal conductor is composed of at least one resin selected from the group consisting of a polyimide resin, a polyesterimide resin, and an H-class polyester resin. | 06-17-2010 |
20100193217 | Process for Preparing and Crosslinking a Cable Comprising a Polymer Composition and a Crosslinked Cable - The application relates to a process for preparing a crosslinked cable, including:—applying one or more layers including a polymer composition on a conductor, wherein at least one layer includes one or more free radical generating agents,—crosslinking by radical reaction said at least one layer comprising said free radical generating agent(s),—cooling the obtained crosslinked cable in pressurized conditions. | 08-05-2010 |
20100218974 | Multi-layer insulated conductor with crosslinked outer layer - An insulated conductor and method for making it are disclosed. The insulated conductor includes an elongate conductor and a two-layer insulation system. The two-layer insulation system has a first insulating layer including an aromatic thermoplastic material adjacent with the elongate conductor. The first insulating layer has a thickness along its length of less than about 0.051 mm (0.002 inch). The insulation system also includes a second insulating layer including a crosslinked fluoropolymer adjacent the first insulating layer. The volume of the first insulating layer is less than about 26% of the total volume of the insulation system. | 09-02-2010 |
20100218975 | Multi-layer insulated conductor with crosslinked outer layer - An insulated conductor and method for making it are provided. The insulated conductor includes an elongate conductor and an insulation system, the insulation system having an extruded inner insulating layer including an aromatic thermoplastic material adjacent the elongate conductor, an extruded intermediate layer adjacent the inner insulating layer, and an extruded outer insulating layer including a crosslinked fluoropolymer adjacent the intermediate layer. The inner insulating layer has a thickness along its length of less than about 0.051 mm (0.002 inch) and has a volume that is less than about 28% of the total volume of the insulation system. | 09-02-2010 |
20100319961 | INSULATED WIRE - There is provided an insulated wire equipped with an insulation film made of polymer alloy, the polymer alloy comprising an amorphous thermosetting resin and an amorphous thermoplastic resin, in which: the insulation film has a sea-island structure; the amorphous thermosetting resin is a sea component of the sea-island structure; and the amorphous thermoplastic resin is an island component of the sea-island structure. | 12-23-2010 |
20110061893 | WATER TREE RETARDING COMPOSITION - The present invention relates to a crosslinkable polymer composition, comprising (i) an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of more than 0.37, and (ii) at least one ether and/or ester group containing additive selected from the group consisting of polyethylene glycol, a glycerol ester compound, polypropylene glycol, an amido group containing fatty acid ester, ethoxylated and/or propoxylated pentaerythritol, an alpha-tocopherol ester, an ethoxylated and/or propoxylated fatty acid, and derivatives thereof. | 03-17-2011 |
20110083878 | COMMUNICATION CABLE - The present invention relates generally to cables suitable for use in plenum applications. In particular, the present invention relates to coaxial cables suitable for use in plenum applications (which exhibit flame spread and smoke generation properties that comply with industry standards, e.g., UL 910 or NFPA 262) without compromising electrical performance. The cable has two or more layers of insulation where the inner layer is made of a material having a high melt flow index and the outer layer is made of a material having a low melt flow index. | 04-14-2011 |
20110127067 | INSULATED WIRE - An insulated wire includes a conductor, and an insulating covering layer formed on a periphery of the conductor and including two or more insulating coatings. The insulating coatings include a polyamide-imide resin insulating material represented by chemical formula 1: | 06-02-2011 |
20110139487 | WIRE CONSTRUCTION FOR CABLES HAVING INSULATION AND FUNCTIONALITY APPLYING IN CASE OF FIRE - A wire for use in electric cables, has a fire-resistant insulation based on cross-linkable polymers including ceramic-forming additives. The insulation surrounds a conductor, wherein the insulation has a first layer of a first composition, and a second layer of a second composition surrounding the outside of the first layer, the first and the second compositions including different ceramic forms in the composition because the second outer layer is formed at a lower temperature range than the composition of the inner first layer. | 06-16-2011 |
20110162869 | PROCESS FOR PRODUCING A POLYMER AND A POLYMER FOR WIRE AND CABLE APPLICATIONS - The invention relates to a process for producing a cable in a continuous vulcanization (CV) line, which cable comprises a conductor surrounded by one or more layers,
| 07-07-2011 |
20110174521 | Flame retardant, low smoke emission, halogen free 600 V energy cable with polyolefin insulation and polyamide jacket - Flame retardant, low smoke emission and halogen free energy cable with silane cross-linked polyolefin insulation and polyamide jacket for electrical installations up to 600 V, based on: a) an electric conductor core made of copper or aluminum; b) an insulating layer made of silane cross-linked polyethylene; and c) a flame retardant nylon-6 jacket with low smoke emission; characterized in that said core a) is based on a plurality of soft copper wires with electrical resistivity no greater than 17,241 nOhm.m (0.15328 Ohm.g/m | 07-21-2011 |
20110192632 | INSULATED WIRE - There is provided an insulated wire having an insulation film composed of a plurality of layers provided on a conductor, in which: the insulation film includes a first film layer and a second film layer; the first film layer is made of a first resin composition formed by graft-polymerizing a graft compound with an ethylene-tetrafluoroethylene copolymer and is provided on a circumference of the conductor; and the second film layer is made of a second resin composition being a polymer alloy made of a polyphenylene sulfide resin and a polyamide resin, or being a polymer alloy made of a polyether ether ketone resin and a polyamide resin and is provided on a circumference of the first film layer. | 08-11-2011 |
20110226508 | INSULATED WIRE - An inverter surge-resistant insulated wire, having an enamel baked layer, an adhesive layer, and an extrusion-coated resin layer, around the outer periphery of a conductor, wherein the sum of the thickness of the enamel baked layer, the extrusion-coated resin layer, and the adhesive layer is 60 μm or more, wherein the thickness of the enamel baked layer is 50 μm or less, and wherein the extrusion-coated resin layer is formed from a polyphenylene sulfide resin composition, which contains a polyphenylene sulfide polymer having a melt viscosity at 300° C. of 100 Pa·s or more, 2 to 8 mass % of a thermoplastic elastomer, and an antioxidant, and which has a tensile modulus of elasticity at 25° C. of 2,500 MPa or more, and a tensile modulus of elasticity at 250° C. of 10 MPa or more. | 09-22-2011 |
20110284260 | MASTERBATCH AND PROCESS FOR PREPARING A POLYMER COMPOSITION - The present invention relates to a process for preparing a polymer composition by using a masterbatch, as well as a process, wherein said polymer composition is used for preparing an article, preferably a cable. Also a masterbatch, a polymer composition comprising the masterbatch, and an article, preferably a cable, comprising the polymer composition are provided. | 11-24-2011 |
20110290529 | CABLE AND POLYMER COMPOSITION COMPRISING A MULTIMODAL ETHYLENE COPOLYMER - The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material. | 12-01-2011 |
20120055694 | Metallic Wire Tracer Element Including Woven Protective Tube and Methods of Making Same - A detectable tracer element for use in underground detection applications includes a metallic wire, a non-fibrous insulating jacket integral with the wire, and a flexible, cut-resistant, non-electrically shielding woven protective tube surrounding the wire and jacket combination. The woven protective tube includes a plurality of non-metallic fibers woven around the wire and jacket combination such that the combination is disposed within the interior of the protective tube. In one configuration of the invention, the woven protective tube defines a substantially oval or circular tube weave. The substantially oval or circular tube weave is woven, such that, the tube weave is pulled or stitched into a flattened configuration for use in underground applications. | 03-08-2012 |
20120090874 | HIGH PERFORMANCE, HIGH TEMPERATURE LIGHTWEIGHT FILM, TAPE OR SHEATH FOR WIRE INSULATION - A thin, lightweight insulated wire comprises a core ( | 04-19-2012 |
20120103658 | COAXIAL CABLE CENTER CONDUCTOR HAVING MULTIPLE PRECOAT LAYERS - Disclosed herein is a coaxial cable that includes a center conductor and a first precoat layer surrounding and adjacent to the center conductor. The first precoat layer is configured to prevent moisture located circumferentially outward to the first precoat layer from contacting the center conductor. The coaxial cable includes a second precoat layer surrounding and adjacent to the first precoat layer. The second precoat layer is configured to prevent moisture located circumferentially outwardly to the second precoat layer from contacting the first precoat layer. The coaxial cable further includes a dielectric surrounding and adjacent to the second precoat layer. | 05-03-2012 |
20120152591 | POLYIMIDES AND FLUOROPOLYMER BONDING LAYER WITH IMPROVED COPPER HEAT SEAL STRENGTH - Multilayer polyimide-fluoropolymer insulation structures exhibiting excellent copper heat seal strength and superi- or internal adhesion strength comprise a layer of polyimide having first and second major surfaces and at least a first fluoropolymer layer wherein the first fluoropolymer layer comprises fluoropolymer, metal oxide and ammonium salt. Protected wire or cable using the multilayer insulation structures, are also described. | 06-21-2012 |
20120222884 | INSULATED WIRE - It is an objective of the present invention to provide an insulated wire having partial discharge resistance comparable to or higher than those of conventional insulated wires even in unstable operating environments. There is provided an insulated wire including: a wire conductor; a first insulation coating formed around the wire conductor, the first insulation coating including inorganic fine particles dispersed therein; and a second insulation coating formed between the first insulation coating and the wire conductor, a relative dielectric constant of the second insulation coating being lower than that of the first insulation coating. | 09-06-2012 |
20120305287 | FIRE-RETARDANT COPOLYETHERESTER COMPOSITION AND ARTICLES COMPRISING THE SAME - Disclosed herein is a fire-retardant copolyetherester composition comprising: (a) at least one copolyetherester; (b) about 5-30 wt. % of at least one halogen-free flame retardant; (c) about 0.1-20 wt. % of at least one nitrogen-containing compound; and (d) about 0.01-5 wt. % of at least one ammonium molybdate, the weight percentages being based on the total weight of (a) plus (b) plus (c) plus (d). Further disclosed herein are articles comprising component parts formed of the fire-retardant copolyetherester composition. | 12-06-2012 |
20130000951 | INSULATED ELECTRIC WIRE AND COIL USING SAME - An insulated electric wire includes a conductor and an insulating coating provided around a perimeter of the conductor. The insulating coating includes a first insulating coating film around the perimeter of the conductor, the first insulating coating film being formed of a resin containing an imide structure in its molecule, and a second insulating coating film around a perimeter of the first insulating coating film, the second insulating coating film being formed of a polyimide resin comprising a repeat unit represented by Formula 1, and having an imide concentration of not less than 15% and not more than 36%, | 01-03-2013 |
20130020107 | PRIMARY WIRE FOR MARINE AND SUB-SEA CABLE - Primary wire for marine or undersea cable comprises a conducting core ( | 01-24-2013 |
20130032377 | INSULATED WIRE AND METHOD OF MANUFACTURING THE SAME - An insulated wire includes a conductor, and an insulation covering layer around the conductor. The insulation covering layer includes a resin composition containing a resin (A) including at least one of a polyphenylene sulfide resin and a polyetheretherketone resin and a resin (B) containing a polyethylene. The resin composition has a storage elastic modulus at 150° C. of not less than 1×10 | 02-07-2013 |
20130062097 | HIGH TEMPERATURE INSULATING TAPE AND WIRE OR CABLE SHEATHED THEREWITH - A composite insulating tape ( | 03-14-2013 |
20130068500 | INSULATED WIRE - The present invention provides an insulated wire having a conductor and at least two insulating coating layers formed surrounding the conductor, wherein the insulating coating layers comprises the outermost layer thereof, which has a thickness in the range of 20 to 50% based on the total thickness of the insulating coating layers and comprises a polyimide resin; and a base insulating coating layer in contact with the conductor, which has a thickness in a range of 50 to 80% based on the total thickness of the insulating coating layers and comprises a polyamide-imide resin having an adhesion-improving agent. The insulated wire of the present invention has insulating coating layers having superior coating adhesion as well as good heat-resistance. | 03-21-2013 |
20130140056 | WATERPROOF STRUCTURE FOR CONDUCTIVE PATH - The present invention provides a waterproof structure for a conductive path which waterproofs a conductive path without imposing an unnecessary load on a conductor, and can sufficiently obtain a creepage distance. | 06-06-2013 |
20130146330 | FLAME-RETARDANT COPOLYETHERESTER COMPOSITION AND ARTICLES COMPRISING THE SAME - Disclosed herein is a flame-retardant copolyetherester composition comprising: (a) at least one copolyetherester; (b) about 5-35 wt % of at least one halogen-free flame retardant; (c) about 0.1-20 wt % of at least one nitrogen-containing compound; (d) about 0.1-10 wt % of at least one aromatic phosphate and (e) about 0.1-10 wt % of at least at least one novolac resin. Further disclosed herein are articles comprising component parts formed of the flame-retardant copolyetherester composition. | 06-13-2013 |
20130161065 | INSULATED WIRE AND COIL - An insulated wire includes a conductor, and an insulating covering layer including a first insulation layer formed around the conductor and a second insulation layer formed around the first insulation layer. An elastic modulus of the second insulation layer at 300° C. is not less than 300 MPa, and a relative permittivity of the insulating covering layer is not more than 3.0. | 06-27-2013 |
20130175070 | Coated Conductor with Voltage Stabilized Inner Layer - Disclosed are polymeric compositions with improved breakdown strength. The polymeric compositions contain a polyolefin and a voltage stabilizing agent. The voltage stabilizing agent contains a triazine. The triazine may include a substituent that enables keto-enol tautomerism, which provides the voltage stabilizing agent with additional energy dissipation capacity. The present polymeric compositions exhibit improved breakdown strength when applied as an insulating layer for power cable. | 07-11-2013 |
20130180755 | ELECTRIC CABLE FOR NUCLEAR POWER PLANT EASY TO MONITOR CONDITION AND FABRICATION METHOD THEREOF - An electric cable for a nuclear power plant that allows easy monitoring of its condition for long term use in a nuclear power plant, and a fabrication method thereof is provided. The electric cable for a nuclear power plant includes at least one core having a conductor and an insulating body coating the conductor, and a sheath body surrounding the core, and the insulating body and the sheath body are made of the same composition. | 07-18-2013 |
20130180756 | METHOD FOR PRODUCING AN ELECTRICAL INSULATION MATERIAL, ELECTRICAL INSULATION MATERIAL AND ELECTRICAL MACHINE - A method for producing an electrical insulation material includes the steps: providing a liquid-crystalline polymer; shaping the liquid-crystalline polymer to give an insulation film in such a manner that the mesophase of the liquid-crystalline polymer is present in the insulation film, whereby the molecules of the polymer are aligned in a preferred direction in the insulation film; laminating a plurality of insulation films to give a layer complex forming the electrical insulation material, wherein the layer complex has at least one insulation film which differs in the preferred direction of the molecules thereof from the preferred direction of the molecules of another insulation film. | 07-18-2013 |
20130213688 | MODIFIED POLYMER COMPOSITIONS, MODIFICATION PROCESS AND FREE RADICAL GENERATING AGENTS FOR I.A. WIRE AND CABLE APPLICATIONS - A compound of formula (I) as defined in claims. | 08-22-2013 |
20130220667 | Composition for low smoke, flame retardant, halogen-free, thermoplasticinsulation showing good electrical, properties in water - The present invention relates to the development of a polyolefin-based composition for manufacturing halogen-free, flame retardant, low smoke emission, thermoplastic insulations showing good electrical properties in water for use in electrical conductor cables. The composition applied as insulation, besides granting the above mentioned features, also shows good characteristics during the extrusion process, so that it can be processed at high speed in the equipment used for its application. | 08-29-2013 |
20130240245 | METHODS OF MANUFACTURING WIRE, WIRE PRE-PRODUCTS AND WIRES - Exemplary methods for manufacturing a wire and resultant wires are disclosed herein. The method includes extruding a receptor cross-linkable polymer that is substantially free of curing agent about a conductive core and extruding a donor polymer in association with a curing agent. The method includes disposing the donor polymer about the receptor polymer and conductive core to create a multi-layer wire pre-product. The method also includes heat curing a multi-layer wire pre-product to form a wire. | 09-19-2013 |
20130255992 | INSULATED WIRE - An insulated wire includes a conductor and an insulation covering formed thereon. The insulation covering includes a first insulation covering layer formed directly on the conductor and a second insulation covering layer formed on a periphery of the first insulation covering layer. The first insulation covering layer includes a resin composition including a resin (A) including polyphenylene sulfide and a resin (B) including polyamide mixed at a mass ratio in a range of “30/70≦B/A≦90/10”. The second insulation covering layer includes a resin composition mainly including a resin (C) including polyphenylene sulfide or polyetheretherketone. | 10-03-2013 |
20130313000 | POLYMER COMPOSITION - The invention relates to a polymer composition comprising a polyolefin (A) and an antioxidant. | 11-28-2013 |
20130341068 | MICA-BASED STRIP - The present invention relates to a multilayer strip ( | 12-26-2013 |
20140102758 | High Temperature Insulating Tape and Wire or Cable Sheathed Therewith - A composite coating includes a first layer, a second layer, and a fluoropolymer film disposed on the second layer. The first layer includes a polymer matrix with mica particles dispersed throughout, while the second layer includes a polyether ether ketone (PEEK). | 04-17-2014 |
20140124238 | Polymer Composition for Electrical Devices - The present invention relates to a use of a polymer composition preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition. | 05-08-2014 |
20140138118 | NON-HALOGEN MULTILAYER INSULATED WIRE - A non-halogen multilayer insulated wire includes a conductor, an inner layer covering the conductor, and an outer layer on the inner layer. The inner layer includes a polyolefin resin composition including a high density polyethylene and a copolymer in a mass ratio on the range of 50:50 to 90:10, and the copolymer includes one of an ethylene-ethyl acrylate copolymer including 9% to 35% by mass of ethyl acrylate and an ethylene-vinyl acetate copolymer including 15% to 45% by mass of vinyl acetate. The outer layer is made of a polyester resin composition that includes a base polymer mainly including a polyester resin and further includes, relative to 100 parts by mass of the base polymer, 50 to 150 parts by mass of a polyester block copolymer, 0.5 to 5 parts by mass of a hydrolysis inhibitor, and 0.5 to 5 parts by mass of an inorganic porous filler. | 05-22-2014 |
20140138119 | NON-HALOGEN MULTILAYER INSULATED WIRE AND METHOD FOR PRODUCING THE SAME - A non-halogen multilayer insulated wire includes a conductor, an inner layer covering the conductor, and an outer layer formed on the external surface of the inner layer. The inner layer includes a polyolefin resin composition including 60 to 95 parts by mass of a high density polyethylene, 5 to 40 parts by mass of an ethylene copolymer, and 0.1 to 1 part by mass of a metal damage inhibitor. The outer layer includes a polyester resin composition that includes a base polymer mainly including a polyester resin, and further includes, relative to 100 parts by mass of the base polymer, 50 to 150 parts by mass of a polyester block copolymer, 0.5 to 5 parts by mass of a hydrolysis inhibitor, 0.5 to 5 parts by mass of an inorganic porous filler, and 10 to 30 parts by mass of magnesium hydroxide. | 05-22-2014 |
20140151084 | Cover Assemblies and Methods for Covering Electrical Cables and Connections - A cold-applied cover assembly for environmentally protecting an electrical substrate includes a cold-applied polymeric cover member configured to surround the electrical substrate, and a gas transmission barrier (GTB) layer. The GTB layer is configured to surround the electrical substrate to define a protected chamber containing the electrical substrate and to inhibit ingress of a gas through the cover assembly into the protected chamber. | 06-05-2014 |
20140190724 | MULTI-LAYER INSULATED CONDUCTOR HAVING IMPROVED SCRAPE ABRASION RESISTANCE - An insulated conductor and method for making it are disclosed. The insulated conductor includes an elongate conductor and a multi-layer insulation system. The multi-layer insulation system has a first insulating layer including an aromatic thermoplastic material overlying the elongate conductor and a second insulating layer including a perfluoropolymer adjacent the first insulating layer. The first and second insulating layers are each applied to a thickness such that the multi-layer insulation system exhibits a scrape abrasion resistance that is significantly greater than sum of the scrape abrasion resistance of the first and second insulating layers individually at that thickness. | 07-10-2014 |
20140202732 | POWER CABLE DESIGN - The present invention is an improved power cable construction. | 07-24-2014 |
20140246221 | Electrical Insulation System - An electrical insulation system includes a first insulation layer having a first polymer and a first filler in the form of nanoparticles, and a second insulation layer including a second polymer and a second filler in the form of either chromium oxide, Cr | 09-04-2014 |
20150129279 | ACETYLATED POLYOL HYDROXYSTEARATE PLASTICIZERS AND PLASTICIZED POLYMERIC COMPOSITIONS - Plasticizers comprising an acetylated polyol hydroxystearate and plasticized polymeric compositions comprising such plasticizers. Such plasticized polymeric compositions can be employed in forming various articles of manufacture, such as coated conductors. | 05-14-2015 |
20160055939 | ARRANGEMENT AND CONSTRUCTION FOR AIRFRAME WIRES - An airframe wire is provided having a conductor and a first inner layer of polyimide insulation which is a helically applied tape including a polyimide component. A second outer layer of fluoropolymer insulation is a helically applied tape made from PTFE, where the second outer PTFE layer of fluoropolymer insulation is constructed as a substantially seamless outer layer so as to provide a hydrostatic barrier for the underlying inner first layer. | 02-25-2016 |
20160163414 | CROSSLINKABLE HALOGEN-FREE RESIN COMPOSITION, CROSS-LINKED INSULATED WIRE AND CABLE - A crosslinkable halogen-free resin composition includes a polymer blend, and a metal hydroxide mixed in an amount of 120 to 200 parts by mass per 100 parts by mass of the polymer blend. The polymer blend includes a maleic anhydride-modified high-density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of a maleic anhydride modified ethylene-α-olefin copolymer and 10 to 30 parts by mass of an ethylene-acrylic ester copolymer. | 06-09-2016 |
20160163417 | CROSSLINKABLE HALOGEN-FREE RESIN COMPOSITION, CROSS-LINKED INSULATED WIRE AND CABLE - A crosslinkable halogen-free resin composition includes a polymer blend, and a metal hydroxide mixed in an amount of 120 to 200 parts by mass per 100 parts by mass of the polymer blend. The polymer blend includes a high-density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of a maleic anhydride modified ethylene-α-olefin copolymer and 10 to 30 parts by mass of an ethylene-vinyl acetate copolymer. | 06-09-2016 |
Entries |
Document | Title | Date |
20080277139 | Sealing Tape - A cable joint includes at least two cables each having inner conducting elements. At least one of the cables has a layer of paper insulation impregnated with an oil. The inner conducting elements of the cables are secured to each other at a junction. A sealing tape has an inner layer and an outer layer. The sealing tape is wrapped about the junction such that the inner layer is in contact with the cables. The inner layer is provided with a deformable oil barrier including a sealing mastic that is resistant to chemical attack from the oil and resistant to migration of the oil there through. The outer layer carries the inner layer. The outer layer is provided with a substantially rigid tape that is resistant to deformation and expansion of the inner layer that forms a protective sleeve about the inner layer. | 11-13-2008 |
20080302556 | Enhanced Electrical Seismic Land Cable - An electrical cable comprises a cable core comprising at least one electrical conductor, at least one polymeric inner layer enclosing the cable core, and at least one polymeric outer layer enclosing the cable core and the inner layer to form the electrical cable, the outer layer operable to maintain integrity of the cable within a predetermined temperature range. | 12-11-2008 |
20090038821 | COVERED ELECTRIC WIRE AND COAXIAL CABLE - The present invention provides a covered electric wire having a covering excellent in electrical characteristics and thermal stability as well as in crack resistance. The present invention is related to a covered electric wire comprising a core wire covered with a tetrafluoroethylene [TFE]-based copolymer comprising TFE-derived TFE units and perfluoro (alkyl vinyl ether) [PAVE]-derived PAVE units, a content of said PAVE unit being in excess of 5% by mass and not higher than 20% by mass relative to all monomer units, containing less than 10 unstable terminal groups per 1×10 | 02-12-2009 |
20090071692 | PROCESS FOR THE PRODUCTION OF A MULTIPOLAR CABLE, AND MULTIPOLAR CABLE PRODUCED THEREFROM - The present invention relates to a manufacturing process of a multipolar cable comprising at least one pair of cores, each core comprising at least one conductive element and at least one layer of electrical insulation in a position which is radially external to said at least one conductive element. This process comprises the steps of: a) assembling said at least one pair of cores so as to form an assembled element having a plurality of interstitial zones between said cores, and b) depositing by co-extrusion an expandable polymeric material in a position which is radially external to said cores so as to fill said interstitial zone and to form a filling layer of substantially zone and to form a filling layer of substantially circular transverse cross section, and at least one containment layer of polymeric, and at least one containment layer of polymeric material in a position radially external to said filling layer. The present invention also relates to a multipolar cable obtained from said process. | 03-19-2009 |
20090183897 | ULTRA HIGH-SPEED COAXIAL CABLE - A cable for the ultra high-speed communication of high-frequency signals. The cable includes a longitudinal conductor and an insulator sheath at least partially covering the longitudinal conductor. The cable further includes an inner conductive sheath disposed about an outer periphery of the insulator sheath and an outer insulator jacket disposed about an outer periphery of the inner conductive sheath. The insulator sheath is manufactured from a high-purity fluorinated ethylene propylene. | 07-23-2009 |
20090250243 | Arc resistant and smooth wire - A wire is constructed having a conductor, a primary insulation layer and a secondary insulation layer. A third insulation layer is applied over the second insulation layer, where the third insulation layer includes the only marking additives used in the three insulation layers of the wire. | 10-08-2009 |
20090308634 | COMMUNICATION CABLE OF HIGH CAPACITY - In communication cable of high capacity according to present invention, conductor of diameter d is coated by insulation material to form wire of diameter D, plural number of said wire are twisted by pitch p to form pairs, plural number of said pairs are twisted by collective pitch P, and said communication cable of high capacity comprise sheath wrapping said pairs, and impedance (Z) of said wire is from 90 to 110, and, diameter (d) of said conductor is from 0.53 mm to 0.65 mm, and diameter (D) of wire is from 0.9 mm to 1.1 mm, and said pitch (p) is from 8 mm to 25 mm, and said collective pitch (P) is from 40 mm to 150 mm, and relative ratio of diameter of wires to diameter of conductor D/d is from 1.625 to 1.835. And, by impedance matching between equipment for data transmission, return loss of cable can be minimized, so high speed data transmission can be made. | 12-17-2009 |
20100032185 | Method for Water-Sealing Treatment of On-Vehicle Electric Cables - The present invention is intended to enable a efficient water-sealing treatment for an on-vehicle electric cable | 02-11-2010 |
20110005807 | PROTECTIVE DEVICE, PARTICULARLY FOR CONNECTION ELEMENT - A protective device includes a mechanical protective sheath ( | 01-13-2011 |
20110048768 | POWER CABLE - A power cable ( | 03-03-2011 |
20110168427 | PROCESS FOR PRODUCING A POLYMER AND A POLYMER FOR WIRE AND CABLE APPLICATIONS - The invention relates to a method for producing a polymer using a chain transfer agents. In particular, the invention relates to a process for polymerizing a polymer in the presence of a mixture of at least two chain transfer agents, which mixture comprises
| 07-14-2011 |
20110220391 | BEND RESISTANT CABLE - A bend resistant cable includes a stranded wire including a plurality of child stranded conductors each having a plurality of strands, the plurality of child stranded conductors being circumferentially disposed and stranded. A stranding direction of the plurality of strands of the child stranded conductors circumferentially adjacent to each other is different from each other. | 09-15-2011 |
20120175146 | CABLE WITH LESS RESIDUAL BEND - A cable with less residual bend includes a sheath as an outermost layer; and a thread for correcting a residual bend. The thread is provided inside the sheath and disposed in parallel with a center axis of the cable along a longitudinal direction of the cable. | 07-12-2012 |
20120261161 | METHODS OF MANUFACTURING WIRE, MULTI-LAYER WIRE PRE-PRODUCTS AND WIRES - Exemplary methods for manufacturing a wire and resultant wires are disclosed herein. The method includes extruding a receptor cross-linkable polymer that is substantially free of curing agent about a conductive core and extruding a donor polymer in association with a curing agent. The method includes disposing the donor polymer about the receptor polymer and conductive core to create a multi-layer wire pre-product. The method also includes heat curing a multi-layer wire pre-product to form a wire. | 10-18-2012 |
20130264094 | ELECTRICAL CABLE WITH EASILY REMOVABLE CASING - A cable which has at least two strands which each have a conductor surrounded by an insulation, where the strands are surrounded by an inner casing composed of a first polymer mixture and by an outer casing of a second polymer mixture resting on the inner casing, where the polymer components of the first and second polymer mixtures include a thermoplastic elastomer, and where the inner casing is foamed. | 10-10-2013 |
20140166339 | FIRE AND WATER RESISTANT CABLE - The present invention relates to lead-free, halogen-free, and antimony-free cables containing insulations made of (a) a polyolefin; (b) a maleic anhydride modified polyolefin; (c) a butadiene-styrene copolymer; (d) a non-halogen flame retardant; and (e) a silane compound. The cable contains a fire retardant tape between the conductor and the insulation when the insulation thickness is greater than about 75 mils for a 1/0 AWG cable. | 06-19-2014 |
20150357083 | CABLE STRUCTURES WITH MULTI-MATERIAL EXTRUDED STRAIN RELIEFS AND SYSTEMS AND METHODS FOR MAKING THE SAME - Cable structures with multi-material extruded strain reliefs and systems and methods for making the same are provided. In some embodiments, a cable structure may include at least two materials simultaneously extruded through a die and about a conductor. A relationship between the two materials may be changed during the simultaneous extrusion for varying the stiffness of the cable structure, which may thereby provide a strain relief region to the cable structure. One of the two materials may be stiffer than another of the two materials, and the ratio of the amount or thickness of one of the two materials with respect to the amount or thickness of the other of the two materials may be varied during the extrusion process to vary the stiffness of the cable structure along its length for providing the strain relief region. | 12-10-2015 |
20160141072 | ELECTRIC WIRE AND CABLE - An electric wire includes a conductor having a cross-sectional area of not less than 225 mm | 05-19-2016 |
20160141073 | ELECTRIC WIRE AND CABLE - An electric wire includes a conductor having a cross-sectional area of not less than 290 mm | 05-19-2016 |
20160379736 | HIGH-VOLTAGE INSULATOR - A high-voltage insulator has an insulating body which is arranged around a high-voltage conductor. The high-voltage insulator has a damping chamber which at least partially engages around the insulating body and which is filled with an electrically insulating damping medium for damping an action of external mechanical force on the insulating body. A transformer bushing for routing a high-voltage conductor out of a transformer housing in an electrically insulating manner is further disclosed. The transformer bushing is characterized in that the transformer bushing contains a high-voltage insulator. | 12-29-2016 |
20190148037 | Winding Wire Articles Having Internal Cavities | 05-16-2019 |
20090084577 | FLAME-RETARDANT POLY(ARYLENE ETHER) COMPOSITION AND ITS USE AS A COVERING FOR COATED WIRE - A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate but excludes melamine phosphate, melamine pyrophosphate, and melamine polyphosphate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable. | 04-02-2009 |
20100101827 | POLYBUTYLENE NAPHTHALATE-BASED RESIN COMPOSITION AND ELECTRIC WIRE USING THE POLYBUTYLENE NAPHTHALATE-BASED RESIN COMPOSITION - There are provided a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide; and an electric wire using a polybutylene naphthalate-based resin composition, with an insulated coating layer formed on a conductor, by using a polybutylene naphthalate-based resin composition containing polybutylene naphthalate resin, a polyester block copolymer, and magnesium hydroxide as an insulating material. | 04-29-2010 |
20100101828 | MAGNET WIRE WITH COATING ADDED WITH FULLERENE-TYPE NANOSTRUCTURES - A magnet wire consists of an electrical conductor and a coating around the electric conductor, the coating is resistant to corona and/or of a low coefficient of friction, and is composed of 82% to 99.95% by weight of polymeric resin, and 0.05% to 18% by weight of fullerene-type nanostructures. | 04-29-2010 |
20100181094 | MAGNETIC WIRE WITH CORONA-RESISTANT COATING - A magnet wire formed by an electric conductor, and a corona-resistant coating disposed around electric conductor; the corona-resistant coating includes a quantity of polymeric resin having a dielectric strength of at least about 7874 V/mm (200 V/mil), and a quantity of conductive polymer having a conductivity in a range from about 1×10 | 07-22-2010 |
20100230133 | Multilayer Insulated Electric Wire - A multilayer insulated electric wire includes a conductor and three or more insulating layers covering the conductor. In the multilayer insulated electric wire, the outermost layer (A) of the insulating layers includes a coating layer formed of a resin composition of a polyamide resin containing copper iodide, and the innermost layer (B) of the insulating layers includes a coating layer formed of a resin composition of 100 parts by mass of a polyester-based resin (B1), all or a part of which is formed of an aliphatic alcohol component bonded with an acid component, and 5 to 40 parts by mass of an ethylene-based copolymer (B2) having side chains of a carboxylic acid or a metal salt of a carboxylic acid. | 09-16-2010 |
20100230134 | METHOD OF MANUFACTURING ELECTRICAL CABLE, AND RESULTING PRODUCT, WITH REDUCED REQUIRED INSTALLATION PULLING FORCE - Disclosed is type THHN cable having a reduced surface coefficient of friction, and the method of manufacture thereof, in which the central conductor core and insulating layer are surrounded by a nylon sheath. A high viscosity, high molecular weight silicone based pulling lubricant for THHN cable, or alternatively, erucamide or stearyl erucamide for small THHN gauge wire, is incorporated, by alternate methods, with the nylon material from which the outer sheath is extruded, and is effective to reduce the required pulling force on the cable during installation. | 09-16-2010 |
20110198109 | INSULATING VARNISH AND PRODUCTION METHOD THEREFOR AND INSULATED ELECTRIC WIRE USING SAME AND PRODUCTION METHOD THEREFOR - An insulating varnish includes a polyamide-imide resin including a repeat unit represented by Formula (1) below derived from a synthesis reaction between a resin component (X) and a diisocyanate component (Y). The resin component (X) is derived from a synthesis reaction between a diamine component including aromatic diamines including g a divalent aromatic group (R) including three or more aromatic rings, and an acid component in the presence of an azeotrope solvent. The diisocyanate component (Y) includes a 2,4′-diphenylmethane diisocyanate (Y | 08-18-2011 |
20110203830 | FOAM ELECTRIC WIRE - A foam electric wire is usable for plenum twisted pair cables, coaxial cables for CATV, cables for HDMI, coaxial cables for antenna wires in mobile communications, coaxial cables for medical applications, coaxial cables for security, and coaxial cables for broadband applications. The foam electric wire includes a conductor and a plurality of coating layers that coat the conductor and consist of perfluoro resin. At least one coating layer is an unexpanded layer. At least one coating layer is an expanded layer whose expansion percentage is 40% or greater. At least one coating layer contains a perfluoro polymer having an MFR of 1-50 g/10 min. The perfluoro polymer has a melt tension of 0.09 N or greater, and/or polymer terminals that are substantially only —CF | 08-25-2011 |
20110240336 | CONDUCTOR INSULATION WITH MICRO OXIDE PARTICLES - An insulated conductor that comprises a conductor and at least one layer of a composite insulation surrounding the conductor. The composite insulation includes insulating material and micro oxide particles adapted to provide at least one of an increase in the flame retardancy of the insulating material and an improvement in the electrical properties of the insulating material. | 10-06-2011 |
20110253420 | FLAME RETARDANT POLYMER COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES - A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable. | 10-20-2011 |
20120138332 | FOAMED ELECTRIC WIRE AND TRANSMISSION CABLE HAVING SAME - The foamed electric wire of the present invention is provided with a conductor and a foamed insulation layer covering the conductor; the foamed insulation layer is obtained by kneading a base resin composed of a high melting point propylene-based resin having a melting point of 150° C. or higher with a master batch containing a thermally decomposing chemical foaming agent and a low melting point propylene-based resin having a melting point of 135° C. or lower and melting the low melting point propylene-based resin followed by foaming by inducing thermal decomposition of the thermally decomposing chemical foaming agent, and a compounding ratio of the low melting point propylene-based resin in the entire resin component formed of the high melting point propylene-based resin and the low melting point propylene-based resin is less than 20% by mass. | 06-07-2012 |
20120181061 | Acetylated Derivatives of Castor Oil and Their Blends with Epoxidized Fatty Acid Esters - The present disclosure is directed to acetylated castor components and compositions including the same. The acetylated castor component may be an acetylated castor oil and/or an acetylated castor wax. The acetylated castor component may be blended with an epoxidized fatty acid ester. The present acetylated castor components and blends find advantageous application as a plasticizer. | 07-19-2012 |
20120285724 | INSULATED WIRE - {Problems} To provide an insulated wire, which is high in a dielectric breakdown resistance even if insulating resin coatings are laminated, because the interlayer adhesiveness is excellent, and which is excellent in a partial discharge resistance, because the dielectric constant is low. | 11-15-2012 |
20130008690 | COMPOSITIONS AND METHODS FOR GROWING COPPER NANOWIRES - A method of synthesis to produce gram-scale quantities of copper nanowires in an aqueous solution, wherein the copper nanowires are dispersed in said solution. Copper nanowires grow from spherical copper nanoparticles within the first 5 minutes of the reaction. Copper nanowires can be collected from solution and printed to make conductive films (preferably <10,000 Ω/sq) that preferably transmit greater than 60% of visible light. | 01-10-2013 |
20130008691 | COMPOSITION FOR WIRE COATING, INSULATED, AND WIRING HARNESS - To provide a composition for a wire coating member containing a non-crosslinked material at a low cost, which has superior flame retardancy, and is excellent in heat resistance, wear resistance and flexibility, and to provide an insulated wire and a wiring harness containing the composition. The composition contains (A) polypropylene, (B) a polyolefin elastomer, (C) a bromine flame retardant, (D) an antimony trioxide, (E) magnesium hydroxide, either one of (F) (F1) a zinc sulfide and (F2) a zinc oxide and (F3) mercaptobenzimidazole, and (G) a hindered phenolic antioxidant. The insulated wire includes a conductor and an insulation coat made from the composition, wherein the insulation coat has a thickness of 0.5 mm or less, and the insulated wire has an external diameter of 4 mm or less. The wiring harness includes the insulated wire. | 01-10-2013 |
20130037305 | ELECTRICAL CONDUCTOR COATED IN A BONDING LAYER, AND A METHOD OF MANUFACTURING SUCH AN ELECTRICAL CONDUCTOR - The invention relates to an electrical conductor coated in an insulating layer itself coated in a bonding layer, the conductor being characterized in that said bonding layer is obtained from a composition comprising a thermoplastics polymer and a settable resin. The invention also applies to a method of manufacturing such an electrical conductor coated in a bonding layer, the method being characterized in that it comprises applying said composition on said electrical conductor coated in said insulating layer, and applying treatment to cause said settable resin to be cured at least in part. | 02-14-2013 |
20130133921 | ANTI-CAPILLARY RESISTOR WIRE - A wire assembly includes a plurality of strength members, a first coating layer disposed on the strength members, and a conductive element helically wound about the first coating layer. The conductive element has a length associated with a predetermined resistance. A second coating layer is disposed on the conductive element, an the second coating layer is applied to the conductive element and the first coating layer via pressure extrusion to eliminate air gaps between at least a portion of the first coating layer and the second coating layer. A method of forming the wire assembly includes coating the strength members with the first coating layer, helically winding the conductive element about the first coating layer, and applying the second coating layer to the conductive element and the first coating layer via pressure extrusion to eliminate air gaps between at least a portion of the first and second coating layers. | 05-30-2013 |
20130153263 | INORGANIC NANOFILLER, PARTIAL DISCHARGE RESISTANT ENAMELED WIRE INCLUDING THE SAME, AND PREPARING METHOD OF THE ENAMELED WIRE - The present disclosure relates to a silane-containing inorganic nanofiller, a varnish including the silane-containing inorganic nanofiller, an enameled wire including the silane-containing inorganic nanofiller, and a method for preparing the enameled wire. | 06-20-2013 |
20130168128 | SUN-LIGHT RESISTANT SELF-LUBRICATED INSULATED CONDUCTOR - A sun-light resistant self-lubricated electrical cable that includes one o more conductors, one or more layers of polyvinyl chloride (PVC) insulating coating surrounding the conductor, and a polyamide sheath surrounding the PVC insulating coating to provide sun-light resistant to said PVC insulating coating, the polyamide sheath is made of a nylon base resin with a hindered amine light stabilizer, an antioxidant; and an ultraviolet absorber. | 07-04-2013 |
20140041897 | CABLE HAVING REDUCED TANGLE ABILITY - Provided is a cable having reduced tangle ability. The cable includes a metal core for transmitting an electrical signal, an insulating coating surrounding the metal core, the insulating coating having flexibility, and a coating layer adhering cured to surround the insulating coating, the coating layer having flexibility and elasticity. The insulating coating is impregnated into a liquid polymer in which powder is mixed, and the liquid polymer is cured so that the coating layer adheres to surround the insulating coating, and the coating layer has a frictional coefficient less than that of the insulating coating, a hydrophobic property greater than that of the insulating coating, and a thickness less than that of the insulating coating. | 02-13-2014 |
20140083738 | NON-HALOGEN FLAME-RETARDANT INSULATED WIRE - A non-halogen flame-retardant insulated wire includes a conductor and an insulating coating layer including an inner layer and an outer layer. The inner layer includes an inner layer resin composition in which 50 to 95 parts by weight of a polyethylene with a density of 0.930 g/cm | 03-27-2014 |
20140326481 | INSULATION SYSTEMS HAVING IMPROVED PARTIAL DISCHARGE RESISTANCE, AND METHOD FOR PRODUCING SAME - Disclosed are insulating electric conductors against partial discharge and a method for producing an insulation system having improved partial discharge resistance and such an insulation system. There is an erosion-inhibiting effect of adhesion promoters, such as organic silicon compounds, added to resin when admixing nano particulate fillers. Good results may be attributable to a type of particle wetting of the nano particles as a result of particle wetting with organosilanes. The admixture of adhesion promoters with the resin before the addition of the nano particulate filler provides considerable advantages. | 11-06-2014 |
20150027748 | INVERTER SURGE-RESISTANT INSULATED WIRE AND METHOD OF PRODUCING THE SAME - An inverter surge-resistant insulated wire, having at least one baked enamel layer around the outer periphery of a conductor having a rectangular cross-section, at least one extrusion-coated resin layer around the outer side thereof, and an adhesive layer having a thickness of 2 to 20 μm between the baked enamel layer and the extrusion-coated resin layer, wherein each of the at least one extrusion-coated resin layer on the adhesive layer is formed by the same resin, a cross-sectional shape of the baked enamel layer and the extrusion-coated resin layer in the cross-section of the inverter surge-resistant insulated wire is rectangular, and in the cross-sectional shape formed by the baked enamel layer and the extrusion-coated resin layer surrounding the conductor in a cross-sectional view, at least a pair of two sides of two pairs of two sides opposing at the upper side and the downside or at the right side and the left side with respect to the conductor each meet the conditions that a total thickness of the baked enamel layer and the extrusion-coated resin layer is 80 μm or more, a thickness of the baked enamel layer is 60 μm or less, a thickness of the extrusion-coated resin layer is 200 μm or less, and the resin of the extrusion-coated resin layer has a melting point of 300° C. or more and 370° C. or less, and a method of producing the inverter surge-resistant insulated wire comprising forming adhesive layer on the outer periphery of the baked enamel layer, and then extruding a thermoplastic resin for forming the extrusion-coated resin layer on the adhesive layer thereby to contact with the adhesive layer, the thermoplastic resin becoming a molten state at a higher temperature than a glass transition temperature of the resin that is used for the adhesive layer. | 01-29-2015 |
20150101845 | INSULATION SYSTEMS WITH IMPROVED RESISTANCE TO PARTIAL DISCHARGE, PRODUCTION METHOD FOR THIS - An insulating system having improved partial discharge resistance includes an insulating tape around a conductor. The tape is a mica tape joined to a carrier. The tape is impregnated with a synthetic resin, and is interspersed with a nanoparticulate filler, present bimodally, in the form of two fractions of the filler differing in particle size and fraction size. An adhesion promoter may be in the resin. | 04-16-2015 |
20160035458 | THE METHOD OF PRODUCING SELF-ROLLING ELONGATE ELEMENT, IN PARTICULAR AN ELECTRIC CABLE AND SELF-ROLLING ELONGATE ELEMENT, IN PARTICULAR AN ELECTRIC CABLE - The subject of the invention is the method of producing self-rolling elongate element, in particular an electric cable and self-rolling elongate element, in particular an electric cable intended especially for power and signal transmission wires, ropes and cords. The essence of the method, according to the invention, consists in applying to the power transmission wires, the outer coating ( | 02-04-2016 |
20160163421 | INSULATING WINDING WIRE HAVING CORONA RESISTANCE - Disclosed is an insulating winding wire having corona resistance, including a conductor and an insulation coating. The insulation coating includes a basal layer applied to cover the conductor and an outer layer applied to cover the basal layer. The basal layer includes at least one resin selected from the group consisting of polyvinylformal resin, polyurethane resin, heat-resistant polyurethane resin, polyester resin, polyester imide resin, polyamide imide resin, polyimide resin and polyamide resin. The basal layer includes 5 to 15 parts by weight of inorganic insulation particles and 1 to 3 parts by weight of an adhesive agent with respect to 100 parts by weight of the resin and the basal layer has a thickness 70 to 80% of the thickness of the insulation coating. | 06-09-2016 |
20160180986 | HYDROPHOBIC FILM COATED CABLE FOR MEDIAL DEVICE | 06-23-2016 |
20160379734 | Radiation Crosslinked Fluoropolymer Compositions Containing Low Level of Extractable Fluorides - A composition for manufacturing a crosslinked ethylene tetrafluoroethylene (ETFE) copolymer with enhanced abrasion resistance and heat resistance is provided, the composition including ETFE, about 0.1-10% w/w of a metal oxide that effectively scavenges high levels of fluoride ions; and a crosslinking agent. Methods of using and making the composition are also provided. | 12-29-2016 |
20120285725 | HIGH VOLTAGE DIRECT CURRENT CABLE HAVING AN IMPREGNATED STRATIFIED INSULATION - A high voltage direct current cable includes at least one electrical conductor, at least one semiconducting layer, at least one stratified insulation made from windings of at least one paper-polypropylene laminate, the stratified insulation being impregnated with at least one electrically insulating fluid having a kinematic viscosity of at least 1,000 cSt at 60EC, wherein the laminate includes at least one paper layer having an air impermeability of at least 100,000 Gurley see. Such a high air impermeability of the paper layer(s) remarkably reduces the swelling of the polypropylene layer(s) during impregnation with a high viscosity insulating fluid, thus preventing delamination, up to the end of the impregnation process for the whole stratified insulation. | 11-15-2012 |
20100186990 | High Voltage Electric Submersible Pump Cable - A cable for transmitting high voltage electricity for use with an electric submersible pump has a plurality of solid conductors for conducting electricity along the length of the cable. The solid conductors are uniformly and firmly bonded to the surrounding insulation with a thin bonding layer applied directly over the conductor. A layer of conductive fabric tape surrounds the insulation to form an outer stress control layer. The insulated conductors are surrounded by an extruded layer of lead. A second layer of fabric tape surrounds the lead. An armored outer layer surrounds the insulated conductors and the lead. Space between the insulated and wrapped conductors and the armored outer layer is filled with a jacket material. | 07-29-2010 |
20110174520 | INSULATED ELECTRIC WIRE - Disclosed is an insulated electric wire having a conductor and one or more insulating layers covering the conductor, the insulated electric wire comprising a polyester-based resin composition which constitutes at least one layer of the insulating layers and comprises a polyester-based resin (A) containing a liquid crystal polymer in an amount of 5-25 parts by mass relative to 75-95 parts by mass of a polyester-based resin other than liquid crystal polymers. | 07-21-2011 |
20100025073 | Semiconductive Polyolefin Composition - The present invention relates to a semiconductive polyolefin composition comprising:
| 02-04-2010 |
20100089611 | Flexible Power Cable with Improved Water Treeing Resistance - The present invention relates to a power cable comprising a conductor, an inner semiconductive layer, an insulation layer and an outer semiconductive layer, wherein the insulation layer comprises a polymer comprising
| 04-15-2010 |
20100108356 | INSULATION-COATED WIRE - An insulation-coated wire has a conductor, and a semiconductive layer provided at an outer periphery of the conductor, the semiconductive layer comprising a resin coating comprising metal fine particles dispersed in a base resin, in which an average particle diameter of the metal fine particles is not greater than 1 μm. | 05-06-2010 |
20100108357 | CROSS-LINKING AGENT - The present invention relates to a crosslinkable polymer composition comprising an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.38, and at least one crosslinking agent being a carbon-carbon initiator that is free of peroxide groups and capable of thermally decomposing into carbon-based free radicals by breaking at least one carbon-carbon single bond, such as 3,4-dimethyl-3,4-diphenylhexane. | 05-06-2010 |
20100181095 | Unsaturated Polymer Composition - The invention relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, including said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating agent for modifying a polymer composition. | 07-22-2010 |
20100181096 | Modified Polymer Compositions, Modification Process and Free Radical Generating Agents - The application relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, including said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating agent for modifying a polymer composition. | 07-22-2010 |
20110114365 | STRIPPABLE SEMICONDUCTIVE COMPOSITION COMPRISING LOW MELT TEMPERATURE POLYOLEFIN - The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and monomer units of an alpha-olefin having at least 4 carbon atoms, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and enhanced mechanical as well as electrical property profile. | 05-19-2011 |
20110162868 | STRIPPABLE SEMICONDUCTIVE COMPOSITION COMPRISING LOW MELT TEMPERATURE POLYOLEFIN - The present invention relates to a semiconductive polymer composition having easily controllable stripping characteristics, especially for an electric power cable. The semiconductive polymer composition comprises an ethylene copolymer comprising polar co-monomer units, wherein the amount of the polar co-monomer units in the ethylene copolymer is 10 wt. % or more, based on the total weight of the ethylene copolymer; an olefin copolymer comprising propylene monomer units and ethylene monomer units, wherein the olefin copolymer has a melting point of 110° C. or less, and carbon black in an amount of from 10 to 50 wt. %, based on the total weight of the semiconductive polymer composition, wherein the olefin copolymer (B) is prepared by using a metallocene polymerisation catalyst. The composition provides improved strippability and mechanical as well as electrical property profile. | 07-07-2011 |
20110220392 | POLYOLEFIN COMPOSITION FOR MEDIUM/EXTRA/HIGH VOLTAGE CABLES COMPRISING BENZOPHENONE-TYPE VOLTAGE STABILIZER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzophenone derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I): wherein one or more of the Carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′ each of which are independently selected from said same groups as R1 to R10; and n=1 to 10; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain heteroatoms and which contains an amine group. | 09-15-2011 |
20120012363 | UNCROSSLINKED POLYETHYLENE COMPOSITION FOR POWER CABLE - Disclosed is uncrosslinked linear medium-density polyethylene resin composition for a power cable, which is applicable to an insulating layer, a semi-conducting layer or a sheath layer. Specifically, the uncrosslinked polyethylene composition includes: 100 parts by weight of a polymer comprising a linear medium-density polyethylene resin comprising an α-olefin having 4 or more carbon atoms as a comonomer and having a melt index of 0.6-2.2 g/10 min (at 190° C. under a load of 5 kg), a differential scanning calorimetry (DSC) enthalpy of 130-190 joule/g and a molecular weight distribution of 2-30; and 0.1 to 10 parts by weight of one or more additive(s) selected from a flame retardant, an oxidation stabilizer, a UV stabilizer, a heat stabilizer and a process aid. | 01-19-2012 |
20120018190 | CABLE WITH HIGH LEVEL OF BREAKDOWN STRENGTH AFTER AGEING - The present invention relates to a cable comprising at least one semiconductive layer and at least one insulation layer, wherein: —the semiconductive layer consists of a composition (A) comprising a polar copolymer (a) and carbon black, and—the insulation layer consists of a composition (B) comprising a polar copolymer (b2), and to a process for the production of such a cable and to the use of such a cable as a power cable. | 01-26-2012 |
20120273253 | CABLE AND PRODUCTION PROCESS THEREOF - A cable comprising a semiconductive layer and an insulation layer with improved DC electrical properties is provided. | 11-01-2012 |
20130025910 | POLYOLEFIN COMPOSITION FOR MEDIUM/HIGH/EXTRA HIGH VOLTAGE CABLES COMPRISING BENZIL-TYPE VOLTAGE STABILISER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzil derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I). wherein one or more of the carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′, each of which are independently selected from said same groups as R1 to R10; and n=2 to 9; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain one or more heteroatoms. | 01-31-2013 |
20130032376 | SEMICONDUCTIVE POLYMER COMPOSITION COMPRISING POLAR COPOLYMER - The present invention relates to a semiconductive polymer composition comprising:—an ethylene copolymer (A) comprising methyl(meth)acrylate co-monomer units, wherein the ethylene copolymer (A) has a melt temperature of 80 ° C. or below, and—carbon black, wherein the ethylene copolymer (A) is produced in a autoclave high pressure reactor or in a multi-feed tubular reactor; to a semiconductive polymer composition comprising—an ethylene copolymer (A) comprising methyl(meth)acrylate, comonomer units; and—carbon black, wherein ethylene copolymer (A) is characterized in that the fraction obtained in the first fractionation step (fraction 1) in the fractionation method of ethylene copolymer (A) as described herein, is present in an amount of not more than 40 wt. % based on the total amount of the ethylene copolymer (A); and to a cable comprising a semiconductive layer comprising the semiconductive polymer composition and to the use of the semiconductive polymer composition in the preparation of a semiconductive layer of a power cable. | 02-07-2013 |
20130062096 | Strippable Insulation Shield for Cables - Strippable semiconductive shields comprise a composition comprising in weight percent (wt %) based on the weight of the composition: (A) 20 to 80% of an interpolymer of an olefin and an α,β-unsaturated carbonyl comonomer, (B) 1 to 90% chlorinated polyolefin, (C) 20 to 45% carbon black, (D) 0.1 to 5% antioxidant, (E) 0.01 to 5% acid scavenger stabilizer; (F) Optionally free radical initiator, (G) Optionally silane functionality, (H) Optionally a sulfur-containing curative, and (I) Optionally a radiation-cure catalyst. | 03-14-2013 |
20130081854 | POLYMER COMPOSITION FOR W&C APPLICATION WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a use of a polymer composition with improved DC electrical properties in a power cable layer and to a cable surrounded by at least one layer comprising the polymer composition. | 04-04-2013 |
20130092416 | CABLE FOR HIGH-VOLTAGE ELECTRONIC DEVICES - A cable for high-voltage electronic devices including an inner semiconductive layer, a high-voltage insulator, an outer semiconductive layer, a shielding layer, and a sheath which are provided on an outer periphery of a cable core part in the order mentioned, wherein the high-voltage insulator is made of an insulating composition whose temperature dependence parameter D | 04-18-2013 |
20130133922 | NEW COMPOSITION AND USE THEREOF - The present invention relates to a cable comprising a novel semiconductive layer. | 05-30-2013 |
20130199820 | SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided. | 08-08-2013 |
20130206452 | ELECTRICAL CABLE THAT IS RESISTANT TO PARTIAL DISCHARGES - An electrical cable ( | 08-15-2013 |
20130206453 | SEMICONDUCTIVE POLYOLEFIN COMPOSITION WHICH CONTAINS EPOXY-GROUPS - The invention relates to a semiconductive polyolefin composition comprising,
| 08-15-2013 |
20130220666 | CABLE COMPRISING A LAYER WHICH IS FORMED OF A COMPOSITION CONTAINING EPOXY-GROUIPS - The invention relates to a cable, comprising a conductor surrounded by one or more layer(s), wherein at least one layer comprises a polyolefin composition comprising,
| 08-29-2013 |
20130306351 | INSULATED ELECTRIC CABLE - An insulated cable is disclosed which comprises an electrical core conductor ( | 11-21-2013 |
20140069689 | Polymer Composition for Electrical Devices - The present invention relates to a polymer composition with improved electrical properties and to a use thereof preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition. | 03-13-2014 |
20140076609 | INSULATION COMPOSITION FOR DC POWER CABLE AND DC POWER CABLE PREPARED BY USING THE SAME - The present invention relates to an insulation composition for a DC power cable and the DC power cable prepared using the same. Specifically, the present invention relates to an improved insulation composition for a DC power cable, which can prevent decrease of DC dielectric strength and decrease of impulse strength caused by accumulation of space charges, and the DC power cable prepared using the same. | 03-20-2014 |
20140083739 | SILICONE MULTILAYER INSULATION FOR ELECTRIC CABLE - An electric cable made from at least one elongated electric conductor and a multilayer insulation surrounding the electric conductor. The multilayer insulation has a first semiconducting layer and an electrically insulating layer, where the two layers are made from a silicone rubber based composition. The semiconducting silicone rubber based composition of the first semiconducting layer has carbon rovings as conductive filler. | 03-27-2014 |
20140182886 | FIELD GRADING LAYER - Method of applying a field grading layer to a power cable is disclosed. The method comprises
| 07-03-2014 |
20140367145 | METHOD OF MANUFACTURING AN ELONGATED ELECTRICALLY CONDUCTING ELEMENT - A method of manufacturing an elongated electrically conducting element having functionalized carbon nanotubes and at least one metal, includes the steps of mixing functionalized carbon nanotubes with at least one metal, to obtain a composite mixture, and forming a solid mass from the composite mixture from step (i). A solid element obtained from the solid mass from step (ii) is inserted into a metal tube, and the metal tube from step (iii) is deformed, to obtain an elongated electrically conducting element. | 12-18-2014 |
20150380128 | FIELD GRADING LAYER - A method is provided for applying a field grading layer to a power cable includes preparing a polymer composition having a polymer matrix, at least one conductive filler different from a non-linear conductive organic filler, and at least one crosslinking agent. The method includes extruding the polymer composition into a crosslinkable field grading tape and winding the crosslinkable field grading tape onto a section of power cable in need of field grading. The crosslinkable tape is crosslinked to obtain a field grading layer. | 12-31-2015 |
20080264671 | Crush Resistant Twisted Pair Communications Cable - Communication cable is provided comprising a twisted pair of polymer insulated conductors, the twisting to form the twisted pair forcing the surface of polymer insulation of each polymer-insulated conductor of said polymer-insulated conductors into contact with one another, the polymer insulation of each polymer-insulated conductor including (i) a foamed portion being crushable by the forcing together of the contacting surfaces of the polymer insulation of each of the polymer-insulated conductors and (ii) a crush-resistant portion extending radially within said insulation into the foamed portion and being present where the surface of the polymer-insulated conductors are into said contact with one another, thereby protecting the foamed portion from crushing by the forcing together of the contacting surfaces. | 10-30-2008 |
20080308296 | Polyolefin Composition For Use As An Insulating Material - The invention relates to a polymer composition, comprising (a) a polyolefin base resin which comprises at least (a1) a first olefin homo- or copolymer fraction, and (a2) a second olefin homo- or copolymer fraction, wherein the weight average molecular weight of the first fraction is lower than the weight average molecular weight of the second fraction, and (b) at least one additive selected from a polar copolymer; a low density polyethylene; an ether and/or ester group containing additive selected from the group consisting of polyethylene glycol, a glycerol ester compound, polypropylene glycol, an amido group containing fatty acid ester, ethoxylated and/or propoxylated pentaerythritol, an alpha-tocopherol ester, an ethoxylated and/or propoxylated fatty acid, and derivatives thereof; or mixtures of these additives. | 12-18-2008 |
20090050347 | INSULATED CONDUCTING DEVICE WITH MULTIPLE INSULATION SEGMENTS - Insulated conducting devices and related methods are disclosed. An insulated conducting device for a voltage structure comprises: a conductor connected to a voltage; and multiple insulation segments enclosing the conductor, the multiple insulation segments interfacing with one another. | 02-26-2009 |
20090211782 | Energy Cable Comprising a Dielectric Fluid and a Mixture of Thermoplastic Polymers - A cable includes at least one electrical conductor and at least one extruded covering layer including a thermoplastic polymer material in admixture with a dielectric liquid, wherein the thermoplastic polymer material includes (a) at least 75% by weight, with respect to the total weight of the thermoplastic polymer material, of at least one copolymer of at least two α-olefin co-monomers, the copolymer having a melting enthalpy lower than 25 J/g; and (b) an amount equal to or less than 25% by weight with respect to the total weight of the thermoplastic polymer material of at least one propylene homopolymer or propylene copolymer with at least one α-olefin, the at least one propylene homopolymer or propylene copolymer having a melting enthalpy higher than 25 J/g and a melting point higher than 130° C. The covering layer has a melting enthalpy equal to or lower than 40 J/g, and the concentration by weight of the dielectric liquid in the thermoplastic polymer material is lower than the saturation concentration of the dielectric liquid in the thermoplastic polymer material. | 08-27-2009 |
20090301756 | Insulated Wire and a Wiring Harness - An insulated wire possessing flame retardancy, and wear resistance which is superior to a conventional insulated wire, which includes a conductor, an inside coat of one or more layers arranged to cover the conductor, and an outside coat arranged to cover the outermost layer of the inside coat, wherein at least the layer of the inside coat which is in contact with the conductor is made from an olefin resin including a functional group, and the outside coat is made from a non-halogenous flame-retardant resin composition. The functional group is preferably one or more sorts of groups selected from a carboxylic acid group, an acid anhydrous group, an epoxy group, a hydroxyl group, an amino group, an alkenyl cyclic imino ether group, and a silane group. | 12-10-2009 |
20100025074 | Electrical conducting wire having liquid crystal polymer insulation - An electrically conducting wire structure and a method for its manufacture where the wire structure has at least one elongated electrically conducting wire and a liquid crystal polymer coating of insulation formed by cross-head extrusion as a layer around the electrically conducting wire. An abrasion layer is preferably formed over the liquid crystal polymer coating to increase abrasion resistance, the elongated electrically conducting wire is selected from the group comprising copper, silver, tinned copper, aluminum, and conducting polymers, and the liquid crystal polymer material comprises a thermotropic thermoplastic. | 02-04-2010 |
20100078196 | CATEGORY CABLE USING DISSIMILAR SOLID MULTIPLE LAYER - A flame retardant cable having a conductor, an inner polyolefin insulation layer surrounding the conductor having a first dielectric constant and a first limiting oxygen index, and a least one outer polyolefin insulation layer surrounding the inner insulation layer conductor having a second dielectric constant and a second limiting oxygen index. The first limiting oxygen index and the second limiting oxygen index may be different or the first and second dielectric constants may be different. | 04-01-2010 |
20100147551 | INSULATION-COATED ELECTRIC CONDUCTOR - A multilayer insulation-coated electric conductor for a coil constituting a circuit by forming a welded portion in the coil, wherein at least one layer of the multilayer insulation-coating layers of the coated metal conductor is composed of at least one resin selected from the group consisting of a polyimide resin, a polyesterimide resin, and an H-class polyester resin. | 06-17-2010 |
20100193217 | Process for Preparing and Crosslinking a Cable Comprising a Polymer Composition and a Crosslinked Cable - The application relates to a process for preparing a crosslinked cable, including:—applying one or more layers including a polymer composition on a conductor, wherein at least one layer includes one or more free radical generating agents,—crosslinking by radical reaction said at least one layer comprising said free radical generating agent(s),—cooling the obtained crosslinked cable in pressurized conditions. | 08-05-2010 |
20100218974 | Multi-layer insulated conductor with crosslinked outer layer - An insulated conductor and method for making it are disclosed. The insulated conductor includes an elongate conductor and a two-layer insulation system. The two-layer insulation system has a first insulating layer including an aromatic thermoplastic material adjacent with the elongate conductor. The first insulating layer has a thickness along its length of less than about 0.051 mm (0.002 inch). The insulation system also includes a second insulating layer including a crosslinked fluoropolymer adjacent the first insulating layer. The volume of the first insulating layer is less than about 26% of the total volume of the insulation system. | 09-02-2010 |
20100218975 | Multi-layer insulated conductor with crosslinked outer layer - An insulated conductor and method for making it are provided. The insulated conductor includes an elongate conductor and an insulation system, the insulation system having an extruded inner insulating layer including an aromatic thermoplastic material adjacent the elongate conductor, an extruded intermediate layer adjacent the inner insulating layer, and an extruded outer insulating layer including a crosslinked fluoropolymer adjacent the intermediate layer. The inner insulating layer has a thickness along its length of less than about 0.051 mm (0.002 inch) and has a volume that is less than about 28% of the total volume of the insulation system. | 09-02-2010 |
20100319961 | INSULATED WIRE - There is provided an insulated wire equipped with an insulation film made of polymer alloy, the polymer alloy comprising an amorphous thermosetting resin and an amorphous thermoplastic resin, in which: the insulation film has a sea-island structure; the amorphous thermosetting resin is a sea component of the sea-island structure; and the amorphous thermoplastic resin is an island component of the sea-island structure. | 12-23-2010 |
20110061893 | WATER TREE RETARDING COMPOSITION - The present invention relates to a crosslinkable polymer composition, comprising (i) an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of more than 0.37, and (ii) at least one ether and/or ester group containing additive selected from the group consisting of polyethylene glycol, a glycerol ester compound, polypropylene glycol, an amido group containing fatty acid ester, ethoxylated and/or propoxylated pentaerythritol, an alpha-tocopherol ester, an ethoxylated and/or propoxylated fatty acid, and derivatives thereof. | 03-17-2011 |
20110083878 | COMMUNICATION CABLE - The present invention relates generally to cables suitable for use in plenum applications. In particular, the present invention relates to coaxial cables suitable for use in plenum applications (which exhibit flame spread and smoke generation properties that comply with industry standards, e.g., UL 910 or NFPA 262) without compromising electrical performance. The cable has two or more layers of insulation where the inner layer is made of a material having a high melt flow index and the outer layer is made of a material having a low melt flow index. | 04-14-2011 |
20110127067 | INSULATED WIRE - An insulated wire includes a conductor, and an insulating covering layer formed on a periphery of the conductor and including two or more insulating coatings. The insulating coatings include a polyamide-imide resin insulating material represented by chemical formula 1: | 06-02-2011 |
20110139487 | WIRE CONSTRUCTION FOR CABLES HAVING INSULATION AND FUNCTIONALITY APPLYING IN CASE OF FIRE - A wire for use in electric cables, has a fire-resistant insulation based on cross-linkable polymers including ceramic-forming additives. The insulation surrounds a conductor, wherein the insulation has a first layer of a first composition, and a second layer of a second composition surrounding the outside of the first layer, the first and the second compositions including different ceramic forms in the composition because the second outer layer is formed at a lower temperature range than the composition of the inner first layer. | 06-16-2011 |
20110162869 | PROCESS FOR PRODUCING A POLYMER AND A POLYMER FOR WIRE AND CABLE APPLICATIONS - The invention relates to a process for producing a cable in a continuous vulcanization (CV) line, which cable comprises a conductor surrounded by one or more layers,
| 07-07-2011 |
20110174521 | Flame retardant, low smoke emission, halogen free 600 V energy cable with polyolefin insulation and polyamide jacket - Flame retardant, low smoke emission and halogen free energy cable with silane cross-linked polyolefin insulation and polyamide jacket for electrical installations up to 600 V, based on: a) an electric conductor core made of copper or aluminum; b) an insulating layer made of silane cross-linked polyethylene; and c) a flame retardant nylon-6 jacket with low smoke emission; characterized in that said core a) is based on a plurality of soft copper wires with electrical resistivity no greater than 17,241 nOhm.m (0.15328 Ohm.g/m | 07-21-2011 |
20110192632 | INSULATED WIRE - There is provided an insulated wire having an insulation film composed of a plurality of layers provided on a conductor, in which: the insulation film includes a first film layer and a second film layer; the first film layer is made of a first resin composition formed by graft-polymerizing a graft compound with an ethylene-tetrafluoroethylene copolymer and is provided on a circumference of the conductor; and the second film layer is made of a second resin composition being a polymer alloy made of a polyphenylene sulfide resin and a polyamide resin, or being a polymer alloy made of a polyether ether ketone resin and a polyamide resin and is provided on a circumference of the first film layer. | 08-11-2011 |
20110226508 | INSULATED WIRE - An inverter surge-resistant insulated wire, having an enamel baked layer, an adhesive layer, and an extrusion-coated resin layer, around the outer periphery of a conductor, wherein the sum of the thickness of the enamel baked layer, the extrusion-coated resin layer, and the adhesive layer is 60 μm or more, wherein the thickness of the enamel baked layer is 50 μm or less, and wherein the extrusion-coated resin layer is formed from a polyphenylene sulfide resin composition, which contains a polyphenylene sulfide polymer having a melt viscosity at 300° C. of 100 Pa·s or more, 2 to 8 mass % of a thermoplastic elastomer, and an antioxidant, and which has a tensile modulus of elasticity at 25° C. of 2,500 MPa or more, and a tensile modulus of elasticity at 250° C. of 10 MPa or more. | 09-22-2011 |
20110284260 | MASTERBATCH AND PROCESS FOR PREPARING A POLYMER COMPOSITION - The present invention relates to a process for preparing a polymer composition by using a masterbatch, as well as a process, wherein said polymer composition is used for preparing an article, preferably a cable. Also a masterbatch, a polymer composition comprising the masterbatch, and an article, preferably a cable, comprising the polymer composition are provided. | 11-24-2011 |
20110290529 | CABLE AND POLYMER COMPOSITION COMPRISING A MULTIMODAL ETHYLENE COPOLYMER - The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material. | 12-01-2011 |
20120055694 | Metallic Wire Tracer Element Including Woven Protective Tube and Methods of Making Same - A detectable tracer element for use in underground detection applications includes a metallic wire, a non-fibrous insulating jacket integral with the wire, and a flexible, cut-resistant, non-electrically shielding woven protective tube surrounding the wire and jacket combination. The woven protective tube includes a plurality of non-metallic fibers woven around the wire and jacket combination such that the combination is disposed within the interior of the protective tube. In one configuration of the invention, the woven protective tube defines a substantially oval or circular tube weave. The substantially oval or circular tube weave is woven, such that, the tube weave is pulled or stitched into a flattened configuration for use in underground applications. | 03-08-2012 |
20120090874 | HIGH PERFORMANCE, HIGH TEMPERATURE LIGHTWEIGHT FILM, TAPE OR SHEATH FOR WIRE INSULATION - A thin, lightweight insulated wire comprises a core ( | 04-19-2012 |
20120103658 | COAXIAL CABLE CENTER CONDUCTOR HAVING MULTIPLE PRECOAT LAYERS - Disclosed herein is a coaxial cable that includes a center conductor and a first precoat layer surrounding and adjacent to the center conductor. The first precoat layer is configured to prevent moisture located circumferentially outward to the first precoat layer from contacting the center conductor. The coaxial cable includes a second precoat layer surrounding and adjacent to the first precoat layer. The second precoat layer is configured to prevent moisture located circumferentially outwardly to the second precoat layer from contacting the first precoat layer. The coaxial cable further includes a dielectric surrounding and adjacent to the second precoat layer. | 05-03-2012 |
20120152591 | POLYIMIDES AND FLUOROPOLYMER BONDING LAYER WITH IMPROVED COPPER HEAT SEAL STRENGTH - Multilayer polyimide-fluoropolymer insulation structures exhibiting excellent copper heat seal strength and superi- or internal adhesion strength comprise a layer of polyimide having first and second major surfaces and at least a first fluoropolymer layer wherein the first fluoropolymer layer comprises fluoropolymer, metal oxide and ammonium salt. Protected wire or cable using the multilayer insulation structures, are also described. | 06-21-2012 |
20120222884 | INSULATED WIRE - It is an objective of the present invention to provide an insulated wire having partial discharge resistance comparable to or higher than those of conventional insulated wires even in unstable operating environments. There is provided an insulated wire including: a wire conductor; a first insulation coating formed around the wire conductor, the first insulation coating including inorganic fine particles dispersed therein; and a second insulation coating formed between the first insulation coating and the wire conductor, a relative dielectric constant of the second insulation coating being lower than that of the first insulation coating. | 09-06-2012 |
20120305287 | FIRE-RETARDANT COPOLYETHERESTER COMPOSITION AND ARTICLES COMPRISING THE SAME - Disclosed herein is a fire-retardant copolyetherester composition comprising: (a) at least one copolyetherester; (b) about 5-30 wt. % of at least one halogen-free flame retardant; (c) about 0.1-20 wt. % of at least one nitrogen-containing compound; and (d) about 0.01-5 wt. % of at least one ammonium molybdate, the weight percentages being based on the total weight of (a) plus (b) plus (c) plus (d). Further disclosed herein are articles comprising component parts formed of the fire-retardant copolyetherester composition. | 12-06-2012 |
20130000951 | INSULATED ELECTRIC WIRE AND COIL USING SAME - An insulated electric wire includes a conductor and an insulating coating provided around a perimeter of the conductor. The insulating coating includes a first insulating coating film around the perimeter of the conductor, the first insulating coating film being formed of a resin containing an imide structure in its molecule, and a second insulating coating film around a perimeter of the first insulating coating film, the second insulating coating film being formed of a polyimide resin comprising a repeat unit represented by Formula 1, and having an imide concentration of not less than 15% and not more than 36%, | 01-03-2013 |
20130020107 | PRIMARY WIRE FOR MARINE AND SUB-SEA CABLE - Primary wire for marine or undersea cable comprises a conducting core ( | 01-24-2013 |
20130032377 | INSULATED WIRE AND METHOD OF MANUFACTURING THE SAME - An insulated wire includes a conductor, and an insulation covering layer around the conductor. The insulation covering layer includes a resin composition containing a resin (A) including at least one of a polyphenylene sulfide resin and a polyetheretherketone resin and a resin (B) containing a polyethylene. The resin composition has a storage elastic modulus at 150° C. of not less than 1×10 | 02-07-2013 |
20130062097 | HIGH TEMPERATURE INSULATING TAPE AND WIRE OR CABLE SHEATHED THEREWITH - A composite insulating tape ( | 03-14-2013 |
20130068500 | INSULATED WIRE - The present invention provides an insulated wire having a conductor and at least two insulating coating layers formed surrounding the conductor, wherein the insulating coating layers comprises the outermost layer thereof, which has a thickness in the range of 20 to 50% based on the total thickness of the insulating coating layers and comprises a polyimide resin; and a base insulating coating layer in contact with the conductor, which has a thickness in a range of 50 to 80% based on the total thickness of the insulating coating layers and comprises a polyamide-imide resin having an adhesion-improving agent. The insulated wire of the present invention has insulating coating layers having superior coating adhesion as well as good heat-resistance. | 03-21-2013 |
20130140056 | WATERPROOF STRUCTURE FOR CONDUCTIVE PATH - The present invention provides a waterproof structure for a conductive path which waterproofs a conductive path without imposing an unnecessary load on a conductor, and can sufficiently obtain a creepage distance. | 06-06-2013 |
20130146330 | FLAME-RETARDANT COPOLYETHERESTER COMPOSITION AND ARTICLES COMPRISING THE SAME - Disclosed herein is a flame-retardant copolyetherester composition comprising: (a) at least one copolyetherester; (b) about 5-35 wt % of at least one halogen-free flame retardant; (c) about 0.1-20 wt % of at least one nitrogen-containing compound; (d) about 0.1-10 wt % of at least one aromatic phosphate and (e) about 0.1-10 wt % of at least at least one novolac resin. Further disclosed herein are articles comprising component parts formed of the flame-retardant copolyetherester composition. | 06-13-2013 |
20130161065 | INSULATED WIRE AND COIL - An insulated wire includes a conductor, and an insulating covering layer including a first insulation layer formed around the conductor and a second insulation layer formed around the first insulation layer. An elastic modulus of the second insulation layer at 300° C. is not less than 300 MPa, and a relative permittivity of the insulating covering layer is not more than 3.0. | 06-27-2013 |
20130175070 | Coated Conductor with Voltage Stabilized Inner Layer - Disclosed are polymeric compositions with improved breakdown strength. The polymeric compositions contain a polyolefin and a voltage stabilizing agent. The voltage stabilizing agent contains a triazine. The triazine may include a substituent that enables keto-enol tautomerism, which provides the voltage stabilizing agent with additional energy dissipation capacity. The present polymeric compositions exhibit improved breakdown strength when applied as an insulating layer for power cable. | 07-11-2013 |
20130180755 | ELECTRIC CABLE FOR NUCLEAR POWER PLANT EASY TO MONITOR CONDITION AND FABRICATION METHOD THEREOF - An electric cable for a nuclear power plant that allows easy monitoring of its condition for long term use in a nuclear power plant, and a fabrication method thereof is provided. The electric cable for a nuclear power plant includes at least one core having a conductor and an insulating body coating the conductor, and a sheath body surrounding the core, and the insulating body and the sheath body are made of the same composition. | 07-18-2013 |
20130180756 | METHOD FOR PRODUCING AN ELECTRICAL INSULATION MATERIAL, ELECTRICAL INSULATION MATERIAL AND ELECTRICAL MACHINE - A method for producing an electrical insulation material includes the steps: providing a liquid-crystalline polymer; shaping the liquid-crystalline polymer to give an insulation film in such a manner that the mesophase of the liquid-crystalline polymer is present in the insulation film, whereby the molecules of the polymer are aligned in a preferred direction in the insulation film; laminating a plurality of insulation films to give a layer complex forming the electrical insulation material, wherein the layer complex has at least one insulation film which differs in the preferred direction of the molecules thereof from the preferred direction of the molecules of another insulation film. | 07-18-2013 |
20130213688 | MODIFIED POLYMER COMPOSITIONS, MODIFICATION PROCESS AND FREE RADICAL GENERATING AGENTS FOR I.A. WIRE AND CABLE APPLICATIONS - A compound of formula (I) as defined in claims. | 08-22-2013 |
20130220667 | Composition for low smoke, flame retardant, halogen-free, thermoplasticinsulation showing good electrical, properties in water - The present invention relates to the development of a polyolefin-based composition for manufacturing halogen-free, flame retardant, low smoke emission, thermoplastic insulations showing good electrical properties in water for use in electrical conductor cables. The composition applied as insulation, besides granting the above mentioned features, also shows good characteristics during the extrusion process, so that it can be processed at high speed in the equipment used for its application. | 08-29-2013 |
20130240245 | METHODS OF MANUFACTURING WIRE, WIRE PRE-PRODUCTS AND WIRES - Exemplary methods for manufacturing a wire and resultant wires are disclosed herein. The method includes extruding a receptor cross-linkable polymer that is substantially free of curing agent about a conductive core and extruding a donor polymer in association with a curing agent. The method includes disposing the donor polymer about the receptor polymer and conductive core to create a multi-layer wire pre-product. The method also includes heat curing a multi-layer wire pre-product to form a wire. | 09-19-2013 |
20130255992 | INSULATED WIRE - An insulated wire includes a conductor and an insulation covering formed thereon. The insulation covering includes a first insulation covering layer formed directly on the conductor and a second insulation covering layer formed on a periphery of the first insulation covering layer. The first insulation covering layer includes a resin composition including a resin (A) including polyphenylene sulfide and a resin (B) including polyamide mixed at a mass ratio in a range of “30/70≦B/A≦90/10”. The second insulation covering layer includes a resin composition mainly including a resin (C) including polyphenylene sulfide or polyetheretherketone. | 10-03-2013 |
20130313000 | POLYMER COMPOSITION - The invention relates to a polymer composition comprising a polyolefin (A) and an antioxidant. | 11-28-2013 |
20130341068 | MICA-BASED STRIP - The present invention relates to a multilayer strip ( | 12-26-2013 |
20140102758 | High Temperature Insulating Tape and Wire or Cable Sheathed Therewith - A composite coating includes a first layer, a second layer, and a fluoropolymer film disposed on the second layer. The first layer includes a polymer matrix with mica particles dispersed throughout, while the second layer includes a polyether ether ketone (PEEK). | 04-17-2014 |
20140124238 | Polymer Composition for Electrical Devices - The present invention relates to a use of a polymer composition preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition. | 05-08-2014 |
20140138118 | NON-HALOGEN MULTILAYER INSULATED WIRE - A non-halogen multilayer insulated wire includes a conductor, an inner layer covering the conductor, and an outer layer on the inner layer. The inner layer includes a polyolefin resin composition including a high density polyethylene and a copolymer in a mass ratio on the range of 50:50 to 90:10, and the copolymer includes one of an ethylene-ethyl acrylate copolymer including 9% to 35% by mass of ethyl acrylate and an ethylene-vinyl acetate copolymer including 15% to 45% by mass of vinyl acetate. The outer layer is made of a polyester resin composition that includes a base polymer mainly including a polyester resin and further includes, relative to 100 parts by mass of the base polymer, 50 to 150 parts by mass of a polyester block copolymer, 0.5 to 5 parts by mass of a hydrolysis inhibitor, and 0.5 to 5 parts by mass of an inorganic porous filler. | 05-22-2014 |
20140138119 | NON-HALOGEN MULTILAYER INSULATED WIRE AND METHOD FOR PRODUCING THE SAME - A non-halogen multilayer insulated wire includes a conductor, an inner layer covering the conductor, and an outer layer formed on the external surface of the inner layer. The inner layer includes a polyolefin resin composition including 60 to 95 parts by mass of a high density polyethylene, 5 to 40 parts by mass of an ethylene copolymer, and 0.1 to 1 part by mass of a metal damage inhibitor. The outer layer includes a polyester resin composition that includes a base polymer mainly including a polyester resin, and further includes, relative to 100 parts by mass of the base polymer, 50 to 150 parts by mass of a polyester block copolymer, 0.5 to 5 parts by mass of a hydrolysis inhibitor, 0.5 to 5 parts by mass of an inorganic porous filler, and 10 to 30 parts by mass of magnesium hydroxide. | 05-22-2014 |
20140151084 | Cover Assemblies and Methods for Covering Electrical Cables and Connections - A cold-applied cover assembly for environmentally protecting an electrical substrate includes a cold-applied polymeric cover member configured to surround the electrical substrate, and a gas transmission barrier (GTB) layer. The GTB layer is configured to surround the electrical substrate to define a protected chamber containing the electrical substrate and to inhibit ingress of a gas through the cover assembly into the protected chamber. | 06-05-2014 |
20140190724 | MULTI-LAYER INSULATED CONDUCTOR HAVING IMPROVED SCRAPE ABRASION RESISTANCE - An insulated conductor and method for making it are disclosed. The insulated conductor includes an elongate conductor and a multi-layer insulation system. The multi-layer insulation system has a first insulating layer including an aromatic thermoplastic material overlying the elongate conductor and a second insulating layer including a perfluoropolymer adjacent the first insulating layer. The first and second insulating layers are each applied to a thickness such that the multi-layer insulation system exhibits a scrape abrasion resistance that is significantly greater than sum of the scrape abrasion resistance of the first and second insulating layers individually at that thickness. | 07-10-2014 |
20140202732 | POWER CABLE DESIGN - The present invention is an improved power cable construction. | 07-24-2014 |
20140246221 | Electrical Insulation System - An electrical insulation system includes a first insulation layer having a first polymer and a first filler in the form of nanoparticles, and a second insulation layer including a second polymer and a second filler in the form of either chromium oxide, Cr | 09-04-2014 |
20150129279 | ACETYLATED POLYOL HYDROXYSTEARATE PLASTICIZERS AND PLASTICIZED POLYMERIC COMPOSITIONS - Plasticizers comprising an acetylated polyol hydroxystearate and plasticized polymeric compositions comprising such plasticizers. Such plasticized polymeric compositions can be employed in forming various articles of manufacture, such as coated conductors. | 05-14-2015 |
20160055939 | ARRANGEMENT AND CONSTRUCTION FOR AIRFRAME WIRES - An airframe wire is provided having a conductor and a first inner layer of polyimide insulation which is a helically applied tape including a polyimide component. A second outer layer of fluoropolymer insulation is a helically applied tape made from PTFE, where the second outer PTFE layer of fluoropolymer insulation is constructed as a substantially seamless outer layer so as to provide a hydrostatic barrier for the underlying inner first layer. | 02-25-2016 |
20160163414 | CROSSLINKABLE HALOGEN-FREE RESIN COMPOSITION, CROSS-LINKED INSULATED WIRE AND CABLE - A crosslinkable halogen-free resin composition includes a polymer blend, and a metal hydroxide mixed in an amount of 120 to 200 parts by mass per 100 parts by mass of the polymer blend. The polymer blend includes a maleic anhydride-modified high-density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of a maleic anhydride modified ethylene-α-olefin copolymer and 10 to 30 parts by mass of an ethylene-acrylic ester copolymer. | 06-09-2016 |
20160163417 | CROSSLINKABLE HALOGEN-FREE RESIN COMPOSITION, CROSS-LINKED INSULATED WIRE AND CABLE - A crosslinkable halogen-free resin composition includes a polymer blend, and a metal hydroxide mixed in an amount of 120 to 200 parts by mass per 100 parts by mass of the polymer blend. The polymer blend includes a high-density polyethylene, 30 to 50 parts by mass of an ethylene-acrylic ester-maleic anhydride terpolymer, 5 to 20 parts by mass of a maleic anhydride modified ethylene-α-olefin copolymer and 10 to 30 parts by mass of an ethylene-vinyl acetate copolymer. | 06-09-2016 |