Class / Patent application number | Description | Number of patent applications / Date published |
524538000 | Solid polymer or SICP derived from at least one nitrogen-containing carboxylic acid or derivative reactant or from a carboxylic acid or derivative and a polyamine | 58 |
20080221259 | Lighting Elements Composed of Polyesters - Lighting elements composed of thermoplastic molding compositions comprising
| 09-11-2008 |
20080227906 | COMPOSITION FOR FORMING COMPACT, DEGREASED BODY, AND SINTERED BODY - A composition for forming a compact includes a powder mainly composed of an inorganic material, a first resin being decomposable by an action of an alkaline gas, and a binder including the first resin. The first resin is decomposed and removed from the compact formed by molding the composition for forming a compact by exposing the compact to a first atmosphere containing an alkaline gas so as to obtain a degreased body. | 09-18-2008 |
20080287598 | Method of preparing aramid polymers incorporating carbon nanotubes - The invention relates to a method of preparing an aramid polymer solution having carbon nanotubes dispersed therein, providing a first dispersion comprising carbon nanotubes and a carrier polymer in a first solvent; providing a first solution comprising an aromatic diamine having an electron affinity lower than that of the carrier polymer and, optionally, a second solvent; adding the first solution to the first dispersion to form a second dispersion; adding an aromatic diacid or aromatic diacid chloride to the second dispersion; polymerizing the aromatic diacid or aromatic diacid chloride with the aromatic diamine to form a carbon nanotube containing aramid polymer or co-polymer in a first aramid solution; isolating the carbon nanotube-containing aramid polymer or co-polymer; and dissolving the carbon nanotube-containing aramid polymer or co-polymer in a third solvent to form a second aramid solution. | 11-20-2008 |
20090012229 | PARTIALLY AROMATIC COPOLYAMIDES WITH A HIGH CRYSTALLINITY - Semiaromatic semicrystalline thermoplastic polyamide molding compositions, comprising
| 01-08-2009 |
20090018256 | POLYURETHANE AND POLYURETHANE UREA ELASTOMERS BASED ON POLYCARBONATE POLYOLS - The present invention relates to high-quality polyurethane and polyurethane urea elastomers which exhibit unique combinations of processing characteristics, oxidation resistance, mechanical and mechanical/dynamic properties in particularly demanding applications. These polyurethane elastomers and polyurethane urea elastomers are based on novel polycarbonate polyols. | 01-15-2009 |
20090099299 | POLYMER BLEND COMPOSITIONS - Thermoplastic compositions having miscible and compatible immiscible polymer blends are disclosed. The miscible polymer blends have a single glass transition temperature. The compatible polymer blends have two glass transition temperatures. The polymer blends may optionally include one or more fillers. | 04-16-2009 |
20090258991 | Polyetherimide and Polyetherimide Sulfone Blends Having Automotive Lighting Applications - Compositions and articles of manufacture made therefrom for use in high temperature application, such as automotive reflectors, have a minimum haze onset temperature of about 205° C. and are made from a transparent, miscible blend of from about 30 to about 70 weight percent of a polyetherimide sulfone comprising greater than or equal to 50 mole percent of the polymer linkages have an aryl sulfone group and from about 70 to about 30 weight percent of a polyetherimide or polyimide. | 10-15-2009 |
20090264582 | HEAT-RESISTANT RESIN PASTE - Provided is a heat-resistant resin paste excellent in heat resistance, flexibility, printability and viewability. A heat-resistant resin paste containing a first organic solvent (A1), a second organic solvent (A2) containing a lactone, a heat-resistant resin (B) soluble in a mixed solvent of the solvents (A1) and (A2), a heat-resistant resin filler (C) insoluble in the mixed organic solvent of the solvents (A1) and (A2), and a pigment (D), wherein the components (C) and (D) are dispersed in a solution containing the solvents (A1) and (A2) and the component (B). | 10-22-2009 |
20100041819 | FLUORINATED SURFACTANTS AND METHOD OF MAKING THE SAME - Fluorinated surfactants having a weight average molecular weight in a range from 1200 to 10000 grams per mole, wherein the fluorinated surfactant comprises at least one component represented by formula or a salt thereof, wherein: R is H, —CH | 02-18-2010 |
20100087587 | Composite Materials With Improved Burn Properties - Epoxy resins and composite materials that generate reduced levels of sulfur dioxide and which unexpectedly have reduced self-extinguishing times. The epoxy resins are composed of from 50 to 70 weight percent of an epoxy resin component. The epoxy resin composition also includes from 20 to 35 weight percent of a thermoplastic blend that is composed of polyetherimide and polyamideimide. The epoxy resin composition further includes from 5 to 25 weight percent of a curative agent. The composite materials may be used for primary structures in aircraft and other load-bearing structures. | 04-08-2010 |
20100240821 | ADHESIVE COMPOSITION AND ADHESIVE FILM USING THE SAME - A thermosetting adhesive composition comprising (A) a modified polyamideimide resin that dissolves in organic solvents, (B) a thermosetting resin and (C) a curing agent or curing accelerator. | 09-23-2010 |
20100273932 | POLYISOCYANATE CONTAINING URETHANE GROUPS - The present invention relates to new, urethane-group-containing polyisocyanates based on isophorone diisocyanate and to their use. | 10-28-2010 |
20110034620 | ABRASION RESISTANT SILICONE COATING COMPOSITION, COATED ARTICLE, AND MAKING METHOD - A silicone coating composition is provided comprising (A) a hydrolytic condensate obtained by (co)hydrolytic condensation of an alkoxysilane, (B) colloidal silica, (C) a urethane-modified vinyl polymer, (D) a curing catalyst, and (E) a solvent, the solid content of component (C) being 1 to 30% by weight based on the total solid content of components (A) and (B). The silicone coating composition can be coated and cured to an organic resin substrate without a need for primer, and the cured coating is abrasion resistant and transparent to visible light. | 02-10-2011 |
20110040023 | POLYAMIDE MOULDING MATERIALS CONTAINING COPOLYAMIDES FOR PRODUCING TRANSPARENT MOULDING PARTS WITH LOW DISTORSION IN CLIMATIC TESTING - The invention discloses novel polyamide moulding materials which are characterized by a significantly improved processability, in particular in injection-moulding, an acceptable deformation in climatic testing, a very high transparency, low haze and even an increased biobased content. The polyamide moulding materials on the basis of transparent copolyamides for producing transparent moulding parts having a high tenacity, low water absorption and low distorsion in climatic testing contain: (A) 40 to 100 percent by weight of at least one transparent copolyamide with a glass transition temperature (T | 02-17-2011 |
20110245406 | COATING COMPOSITIONS AND COATINGS PRODUCED FROM THEM WITH HIGH SCRATCH RESISTANCE, WEATHERING STABILITY, AND GOOD OPTICAL PROPERTIES - The invention relates to coating compositions comprising
| 10-06-2011 |
20110306718 | PULTRUSION PROCESS - The present invention relates to an improved pultrusion process for producing semifinished products based on polymers, in particular polyesters or polyamides, which comprises adding reactive chain extenders during the process of saturation (impregnation) of the fibers. | 12-15-2011 |
20110319552 | POLYAMIDE-POLY(ARYLENE ETHER) FIBER AND METHOD FOR ITS PREPARATION - A fiber is prepared by melt extruding a composition including specific amounts of a polyamide and a poly(arylene ether). The ability to prepare the fiber exhibits a non-linear dependence on poly(arylene ether) content, with fibers being well formed in the absence of poly(arylene ether) and in the presence of higher amounts of poly(arylene ether), but fibers being poorly (or not at all) formed in the presence of lower amounts of poly(arylene ether). Compared to a fiber prepared from polyamide alone, the present fiber exhibits improved heat resistance and flame resistance. | 12-29-2011 |
20120041132 | POLYMER POWDER COMPRISING POLYAMIDE USE THEREOF IN A MOULDING METHOD AND MOULDED BODY MADE FROM SAID POLYMER POWDER - A molding, produced by a layer-by-layer process in which regions of respective polymer pulverulent layers are selectively melted via introduction of electromagnetic energy, where the process employs a powder which comprises at least one homopolyamide prepared via polycondensation of diamines and dicarboxylic acids, wherein the homopolyamide has an enthalpy of fusion of at least 125 J/g and a recrystallization temperature of at least 148° C. | 02-16-2012 |
20120101213 | HIGHLY WATER-REPELLENT POLYIMIDE FOR COPIER MEMBER, AND POLYAMIC ACID COMPOSITION - Provided are a polyimide which is inexpensive, has various excellent material properties including strength, heat resistance, low moisture absorption, mold releasability (detachability), dielectric properties, electrical properties, and optical properties, and can exhibit a high level of water repellency, and a polyamic acid composition useful as a raw material therefor. Also provided are the polyimide which can give a polyimide composition that, besides having such excellent material properties, is capable of having a controlled surface resistivity, and a polyamic acid composition useful as a raw material therefor. The polyimide is a highly water-repellent polyimide for copier members which is obtained using one or more acid dianhydrides and one or more diamine compounds, and is characterized in that at least one of the acid dianhydrides and the diamine compounds is a compound having an ether bond and/or a thioether bond in the molecule and that the total number of ether bonds and thioether bonds in the repeating unit constituting the polyimide and derived from the acid dianhydrides and the diamine compounds is 2 or larger. | 04-26-2012 |
20120157606 | Polyamide Resin Composition and Molded Product Using the Same - Disclosed are a polyamide resin composition that includes (A) a crystalline polyamide mixed resin including an aliphatic group and at least two different crystalline polyamide resins, (B) a non-crystalline polyamide resin including an aromatic group, and (C) a glass fiber, and a molded product manufacture using the same. | 06-21-2012 |
20120196973 | MELT-BLENDED THERMOPLASTIC COMPOSITION - Disclosed is a melt-blended thermoplastic composition including: A) a polyamide composition including a) 55 to 90 weight percent semi-crystalline semi-aromatic copolyamide; wherein the semi-aromatic copolyamide has a DMA tan delta peak value of greater than or equal to 0.23; and heat of fusion of at least 20 J/g and b) 10 to 45 weight percent aliphatic homopolyamide; wherein the aliphatic homopolyamide has a DMA tan delta peak value of less than or equal to 0.21; and heat of fusion of at least 30 J/g; B) 0 to 45 weight percent polymeric toughener; C) 0 to 20 weight percent plasticizer; and D) 0 to 45 weight percent reinforcing agent; wherein said melt-blend composition has a glass transition and has a tan delta peak (E″/E′) value of 0.21 or lower at said glass transition. Further disclosed herein is a method for providing the melt-blended thermoplastic composition. | 08-02-2012 |
20120259059 | Molded Articles Having A Swirl-Like or Marble-Like Appearance and Compositions For Producing Same - Polymer compositions are described that contain at least two different immiscible phases for producing molded articles having a swirl-like or marble-like appearance. The first phase, for instance, may contain one or more polyoxymethylene polymers. The second phase, on the other hand, contains one or more polymers that together have a melting point that is from about 5° to about 30° different than the melting point of the polyoxymethylene polymer. In one embodiment, the second phase may contain a thermoplastic elastomer, a glycol-modified polyethylene terephthalate, or a polyamide and may have a melting point that is higher than the melting point of the polyoxymethylene polymer. The second phase is present in the polymer composition in relatively low amounts, such as in amounts less than about 5% by weight. The second phase can contain a high concentration of colorants that creates a contrast of colors when the molded article is produced. | 10-11-2012 |
20120322938 | Composition Of Secondary Amine Adducts, Amine Diluents and Polyisocyanates - A composition suitable for forming a paint marking on a roadway comprises a secondary amine adduct having at least two secondary amine groups, an amine diluent and a polyisocyanate. The secondary amine adduct and the amine diluent react with the polyisocyanate to yield a chemically high crosslinked material having a no track time of about two minutes. | 12-20-2012 |
20130005898 | THERMOPLASTIC-TOUGHENED CYANATE ESTER RESIN COMPOSITES WITH LOW HEAT RELEASE PROPERTIES - Composite materials that contain thermoplastic-toughened cyanate ester resins as the resin matrix. The composite materials exhibit low levels of heat release when burned. The matrix resins are composed of from 50 to 80 weight percent of a cyanate ester resin component. The matrix resin composition also includes from 10 to 40 weight percent of a thermoplastic blend that is composed of polyetherimide and polyamideimide. The epoxy resin composition further includes from 1 to 10 weight percent of a curative agent. The composite materials may be used for primary structures in aircraft and other load-bearing structures. | 01-03-2013 |
20130059968 | PLASTIC COMPOSITION - The plastic composition includes PET and Nylon. The weight percentage of PET is between 20% and 90%. The weight percentage of Nylon is between 5% and 40%. | 03-07-2013 |
20130079459 | BLENDS OF POLYETHERIMIDE SULFONE AND POLY(ARYLENE SULFIDE) AND METHODS OF MAKING - A composition comprising a compatible blend of i) 15 to 45 wt % of a linear poly (arylene sulfide), ii) 50 to 85 wt % of a polyetherimide sulfone; and iii) 1 to 3 wt % of a novolac resin having an average of 2 or more epoxy groups per molecule. The composition can comprise a polyetherimide. An article made from the composition has a property selected from the group of (i) tensile strength greater than or equal to 90 megaPascals (MPa), as determined by ASTM D638, (ii) an impact strength of greater than or equal to 3 kiloJoules per square meter (kJ/m | 03-28-2013 |
20130137815 | INJECTION MOLDED PARTS PRODUCED FROM A POLYMER COMPOSITION COMPRISING POLYAMIDE 410 (PA-410) - Injection molded polymeric part produced from a polymer composition comprising polyamide 410 (PA-410) and less than 1.5 weight % of a mold release agent. In a preferred embodiment the polymer composition contains less than 1 wt. % of a mold release agent. | 05-30-2013 |
20130144001 | THERMOPLASTIC COMPOSITION BASED ON POLYAMIDE, POLYKETONE AND NOVOLAC RESIN - A thermoplastic composition based on polyamide and polyketone is described. The thermoplastic composition can have an excellent mechanical strength and dimensional stability. Further, the composition can include a novolac resin and a reinforcing or a bulking filler. The composition can be molded, for example in the form of granules or powder, which is used for manufacturing articles via an injection-molding process. | 06-06-2013 |
20130310511 | POLYMER MIXTURE - A mixture comprising at least one polymer and from 0.1 wt % to 1.5 wt %, based on the weight of the polymer, of at least one fumed silica, wherein the polymer comprises at least one semi-aromatic polyamide in an amount of more than 50 wt %, based on the weight of the polymer. The presence of the fumed silica in the semi-aromatic polyamide-based mixture allows notably for reducing the cycle time necessary for the manufacture of various shaped articles, such as mobile phone housings, by melt processing methods like injection molding. | 11-21-2013 |
20130331505 | HIGH MODULUS HIGH STRENGTH HIGH FLOW OSU COMPLIANT POLYETHERIMIDE-CARBON FIBER COMPOSITES FOR METAL REPLACEMENT - Disclosed herein are fiber reinforced thermoplastic composite with desired physical properties, such as high modulus, high stiffness and high flow while maintaining the OSU heat release compliancy. | 12-12-2013 |
20130338301 | THERMOPLASTIC MELT-MIXED COMPOSITION WITH EPOXY-CARBOXYLIC ACID COMPOUND HEAT STABILIZER AND PROCESSES FOR THEIR PREPARATION - Disclosed is a thermoplastic melt-mixed composition including: a) a semicrystalline polyimide; h) a polyacid-polyol compound provided by reacting: b1) one or more polyepoxy compound including at least two or more epoxy groups; and b2) one or more carboxylic acid compounds selected from the group consisting of polyacids, acid alcohols and combinations of these; said polyacid-polyol compound having a range of at least 10 percent conversion of epoxy equivalents of component (b1) up to, but excluding, the gel point of the components b1) and b2); c) reinforcing agent; and optionally d) polymeric toughener; and e) further additives. Also discloses are processes for preparing the thermoplastic melt-mixed blends. | 12-19-2013 |
20140051795 | HIGH IMPACT LONG FIBER REINFORCED POLYAMIDE COMPOSITION - Disclosed herein are composition and methods. The compositions are fiber reinforced thermoplastic composition comprising an impact strength increasing additive and/or a mechanical property improving additive. | 02-20-2014 |
20140066568 | POLYAMIDE RESIN BLENDS - Disclosed is a polyamide resin blend including:
| 03-06-2014 |
20140107281 | MOLDING MATERIAL - The present invention has an objective to provide a molding material which has the improved specific strength and specific elastic modulus and which has excellent molding properties. | 04-17-2014 |
20140135443 | Thermoset Resin Composite Materials Comprising Inter-Laminar Toughening Particles - A resin system containing:
| 05-15-2014 |
20140135444 | TRANSPARENT FILMS - The invention relates to an optically transparent polymer film or extrudate product made of a polymer composition comprising a semi-crystalline polyamide having a melting temperature of at least 270° C. or a blend of the semi-crystalline polyamide (A) and a second polymer (B), and optionally at least one additive, wherein the semi-crystalline polyamide (A) is present in an amount of more than 50 wt. %, relative to the total weight of the polymer composition, the polymer composition in the optically transparent polymer film or extrudate product has a melting temperature (Tm-C) in the range of 270-340° C., and wherein the film or a part of the extrudate product has a haze of less than 12% and a light transmittance, of at least 88% measured with the method according to ASTM D1003A. | 05-15-2014 |
20140187709 | ANTI-YELLOWING POLYAMIDE COMPOSITION - The invention relates to a polyamide composition with an improved resistance against yellowing. The invention also relates to a shaped article made from the composition and to a method of forming such a shaped article. The polyamide composition comprises: a. 90 to 40 wt % of one or more semi-aromatic polyamides and b.10 to 60 wt % of one or more of aliphatic polyamides and c.1 at least one white pigment as secondary component and c.2 optionally one or more other secondary components, wherein the sum of the amount of semi-aromatic and aliphatic polyamide is 100 wt % and wherein: i. the semi-aromatic polyamide is derived from one or more aliphatic diamine monomers containing 4 to 12 carbon atoms and one or more benzene dicarboxylic acid monomers and ii. the aliphatic polyamide is derived from one or more aliphatic diamine monomers containing 4 to 10 carbon atoms and one or more aliphatic dicarboxylic acids with 6 to 12 carbon atoms with the proviso that no additional thermally conductive material is present in the composition. | 07-03-2014 |
20140288229 | RESIN COMPOSITION, AND PELLET AND MOLDED PRODUCT THEREOF - A resin composition includes 90 to 50% by weight of (A) a polyamide having 7 or more average carbon atoms per amide functional group and containing no aromatic ring; 10 to 50% by weight of (B) a polyamide having an aromatic ring and being crystalline, based on 100% by weight of the total of the component (A) and the component (B); and 5 to 75 parts by weight of (C) a carbon fiber, based on 100 parts by weight of the polyamide including (A) and (B). | 09-25-2014 |
20140303311 | POLYAMIDE MOLDING COMPOUNDS - The present invention relates to thermoplastic molding compositions comprising:
| 10-09-2014 |
20140343218 | CARBON FIBER - A method of making a carbon fiber structure including a carbon fiber is coated with a sizing at an amount X between 0.05 and 0.30 weight %. The sizing is formed of a heat resistant polymer or a precursor of the heat resistant polymer. The amount X of the sizing is expressed with a following formula: | 11-20-2014 |
20140378604 | Composition comprising polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012 - Composition comprising polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012. The present invention concerns a composition comprising at least polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012; and optionally fillers and/or additives. Such a composition has good chemical resistance, in particular to chlorides and cooling fluids. | 12-25-2014 |
20150025191 | Carbon Fiber Bundle and Manufacturing Method of the Same - The present invention relates to a carbon fiber bundle excellent in terms of adhesion to matrix resins and process handleability and less apt to suffer the shedding of the sizing agent in processing steps the carbon fiber bundle being a carbon fiber bundle having a sizing agent adherent to the surface thereof, characterized in that the carbon fiber bundle includes a plurality of carbon fibers and the sizing agent includes a copolyamide resin, the copolyamide resin having both a specific polyamide component and nylon-6 and/or nylon-66 as repeating units and having a melting point of 180° C. or lower, the copolyamide resin preferably having a melting point of 60 to 160° C., or a glass transition temperature of −20 to 50° C. | 01-22-2015 |
20150051335 | FLUIDIZING AGENT AND METHOD USING SAID AGENT - The present invention relates to the use of a specific compound as a fluidizing agent or as a fluidizing agent precursor in the molten state for a composition including a thermoplastic polymer, in particular a polyamide. The invention further relates to a method for preparing a polyamide article in which the viscosity, in the molten state, of a composition including the polyamide is decreased. The fluidizing agent can further enable the production of an article which has an unreduced density and/or in which the mean molar mass of the polymers of the composition is increased. | 02-19-2015 |
20150065641 | TUBE CONNECTORS BASED ON A POLYAMIDE COMPOSITION - A tube connector made from a polyamide composition, the polyamide composition including at least one first polyamide A having an average number of carbon atoms per nitrogen atom C | 03-05-2015 |
20150087767 | FIBER REINFORCED POLYARYLETHERKETONE RESIN COMPOSITIONS - Disclosed herein are methods and fiber reinforced thermoplastic composition comprising: a polyaryletherketone (PAEK) component; a polyimide component, wherein the polyimide component comprises a blend of at least a first polyimide (PI) having glass transition temperature of at least 300° C. and a second polyimide (PI) having glass transition temperature less than the glass transition temperature of the first polyimide; and a reinforcement fiber component. The resulting fiber reinforced thermoplastic compositions exhibit improved mechanical performance. | 03-26-2015 |
20150099847 | POLYAMIDE MIXTURE - A composition, containing at least 50% by weight of a polyamide fraction which comprises: a) from 50 to 95 parts by weight of a polyamide having as copolymerized units bis(4-aminocyclohexyl)methane (PACM) and a linear dicarboxylic acid having from 8 to 18 C atoms; and b) from 50 to 5 parts by weight of a linear aliphatic polyamide having an average of from 8 to 12 C atoms in the monomer units, where the sum of the parts by weight of a) and b) is 100 is provided. The composition can be processed to give a moulded article having high transparency, high toughness and high resistance to chemicals, to solvents and to stress cracking. | 04-09-2015 |
20150119522 | LIQUID CRYSTAL ALIGNING AGENTS FOR FORMING PHOTO-ALIGNING LIQUID CRYSTAL ALIGNMENT LAYERS, LIQUID CRYSTAL ALIGNMENT LAYERS AND LIQUID CRYSTAL DISPLAY DEVICES USING THE SAME - An object of the present invention is to provide a photo-aligning liquid crystal aligning agent for forming a liquid crystal alignment layer capable of materializing a liquid crystal display device which has a high transmittance while maintaining a liquid crystal aligning property, a voltage holding ratio and the like and in which flickering is inhibited from being caused after operated for a long time. | 04-30-2015 |
20150133598 | Reinforcing Carbon Fiber Bundle, Method for Manufacturing the Same and Method for Manufacturing Composite Using the Same - There is provided a reinforcing carbon fiber bundle of the present invention is a reinforcing carbon fiber bundle with a sizing agent adhered to surfaces of carbon fibers, and characterized in that the sizing agent is constituted by at least two components, a first component does not melt at 150° C., and a second component in flowable at 150° C., and the reinforcing carbon fiber bundle is improved in impregnation property and openability and is excellent in workability and optimum for a composite. | 05-14-2015 |
20150329720 | Molded Articles Having a Swirl-Like or Marble-Like Appearance and Compositions For Producing Same - Polymer compositions are described that contain at least two different immiscible phases for producing molded articles having a swirl-like or marble-like appearance. The first phase, for instance, may contain one or more polyoxymethylene polymers. The second phase, on the other hand, contains one or more polymers that together have a melting point that is from about 5° to about 30° different than the melting point of the polyoxymethylene polymer. In one embodiment, the second phase may contain a thermoplastic elastomer, a glycol-modified polyethylene terephthalate, or a polyimide and may have a melting point that is higher than the melting point of the polyoxymethylene polymer. The second phase is present in the polymer composition in relatively low amounts, such as in amounts less than about 5% by weight. The second phase can contain a high concentration of colorants that creates a contrast of colors when the molded article is produced. | 11-19-2015 |
20150353730 | LOW DIELECTRIC RESIN COMPOSITION, AND RESIN FILM, PREPREG, PRINTED CIRCUIT BOARD MADE THEREBY - A resin composition, including (A) a polyimide resin; (B) a pre-polymerised maleimide resin; (C) a thermosetting resin; and (D) a flame retardant. The reactants for use in synthesizing the polyimide resin include an acid anhydride and a diamine, with the diamine including 4,4′-diaminodiphenylmethane and its analogous compounds and polyetherdiamines. The resin composition has the following advantages, a resin film or a prepreg is manufactured from the resin composition comprises a polyimide resin synthesized from a diamine of a specific structure and a pre-polymerised maleimide resin, so as to achieve satisfactory characteristics of circuit laminates, such as a low dielectric constant, a low dissipation factor, high heat resistance, and high adhesiveness, so as to be for use in the manufacturing of metal clad laminates and printed circuit boards. | 12-10-2015 |
20160032520 | FIBER TREATMENT AGENT, CARBON FIBERS TREATED WITH FIBER TREATMENT AGENT, AND CARBON FIBER COMPOSITE MATERIAL CONTAINING SAID CARBON FIBERS - An object of the present invention is to provide a fiber treatment agent that is capable of forming on fibers a film that has excellent water resistance and excellent adhesion to a matrix resin. The present invention provides a fiber treatment agent comprising an aqueous medium, a water-insoluble polyamide dispersed in the aqueous medium, and a water-soluble polyamide that is present in an amount of 2 to 50 parts by mass per 100 parts by mass of the water-insoluble polyamide. | 02-04-2016 |
20160060436 | FILLER MATERIALS HAVING SURFACE COATING MADE FROM WATER SOLUBLE POLYAMIDES - Fillers are proposed, with the exception of layered silicates, which have a surface coating, which comprises a water-soluble polyamide or multiple water-soluble polyamides, wherein at least one of these water-soluble polyamides is produced by polycondensation from monomer components, which comprise at least one dicarboxylic acid and at least one selected ether diamine, preferably having linear oxypropyl amino end groups. Fillers coated in this manner are suitable for use in the production of filled and/or reinforced thermoplastic plastics molding materials. Thermoplastic plastics molding materials which contain fillers having such a surface coating have good mechanical properties and few emissions (low outgassing). | 03-03-2016 |
20160102203 | REINFORCED POLYAMIDE MOULDING COMPOSITIONS AND INJECTION MOULDINGS PRODUCED THEREFROM - A reinforced polyamide moulding composition is described, particularly for use as starting material for the production of housings for devices in the field of mobile radio technology, composed of the following components:
| 04-14-2016 |
20160130439 | POLYAMIDE MOULDING COMPOUND, MOULDED ARTICLE PRODUCED HEREFROM AND ALSO PURPOSES OF USE - The present invention relates to a polyamide moulding compound which consists of a blend of two specific polyamides. The first polyamide is thereby based substantially on 1,5-pentanediamine as diamine component used during polycondensation. The second polyamide is thereby polyamide 6I/6T. The polyamide moulding compounds according to the invention are distinguished by extremely low shrinkage and low differential shrinkage (difference between shrinkage of the moulded article longitudinally and transversely relative to the injection flow). In addition, the present invention relates to moulded articles which are producible from the polyamide moulding compounds according to the invention and also to purposes of use of the polyamide moulding compounds. | 05-12-2016 |
20160130441 | Reinforced compositions - A composition [composition (C)] comprising: from 1 to 90% by weight (wt. %) of at least one a polyetherimide polymer; [PEI polymer, herein after]; from 5 to 94 wt. % of at least one polyphenylsulfone polymer, [PPSU polymer, herein after], from 5 to 75% wt. of at least one fibrous reinforcing filler. | 05-12-2016 |
20160168380 | Polyamide composition | 06-16-2016 |
20160376423 | LONG-FIBRE-REINFORCED POLYAMIDES - Disclosed is a polyamide moulding compound suitable for producing moulded articles with improved mechanical properties, the moulding compound including A) at least one amorphous or microcrystalline polyamide, with the proviso that a test piece of polyamide A) has a light transmission according to ASTM D 1003 of at least 80% and a melting heat according to ISO 11357 of <25 J/g, B) 20 to 85% by weight of a long fibre with a round cross-section and C) 0 to 10% by weight of at least one additive, components A) to C) adding up to 100% by weight. Also disclosed is a process for producing moulded bar granulates containing the moulding compound. | 12-29-2016 |
20220135796 | POLYAMIDE MOLDING COMPOSITION FOR HIGH-GLOSS APPLICATIONS - Described herein is a thermoplastic molding material including
| 05-05-2022 |