Entries |
Document | Title | Date |
20090075051 | Fire protection coating for FRP-reinforced structure - A fire protection coating | 03-19-2009 |
20090110901 | COMPOSITE FASTENERS CONTAINING MULTIPLE REINFORCING FIBER TYPES - A method for making composite fasteners includes the provision of a mold containing an elongated cavity having a long axis and the shape of the fastener body, an elongated insert comprising a plurality of long, interwoven or intermingled first reinforcing fibers, and a hardenable liquid matrix that may include a plurality of short, second reinforcing fibers suspended therein. The insert is placed in the cavity such that the long reinforcing fibers are disposed generally parallel to the long axis of the cavity. The mold cavity is then filled with the liquid matrix such that the short reinforcing fibers are distributed generally uniformly throughout the mold cavity, and the liquid matrix of the suspension is then hardened so as to form a hardened fastener body encapsulating the first and second reinforcing fibers. The molded fastener is then removed from the mold, either for immediate use or for subsequent processing. | 04-30-2009 |
20090181233 | COMPOSITE MATERIAL FOR SOFT AND DURABLE COMPONENT PARTS - An injectable composite material made from a nylon and a para-aramid pulp, methods of manufacturing the injectable composite material, and components useful in tools and air motors made using the injectable composite material. | 07-16-2009 |
20090263642 | ELECTRICALLY CONDUCTIVE SHEET - The disclosed is an electrically conductive sheet which includes carbon fibrous structures in polymer matrix, at a rate of 0.01-30% by weight based on the total weight of the sheet, wherein the carbon fibrous structure comprises a three dimensional network of carbon fibers each having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part with which the carbon fibers are tied together in the state that the concerned carbon fibers are externally elongated therefrom, and wherein the granular part is produced in a growth process of the carbon fibers. The electrically conductive sheet shows a high electrical conductivity while possessing a good film strength. | 10-22-2009 |
20090297819 | Fiber-reinforced resin composition and molded article thereof - A fiber-reinforced resin composition comprising: (A) a polyolefin-based resin; (B) glass fibers having (B1) an average diameter of 3 to 30 μm and (B2) an average aspect ratio of 50 to 6000; and (C) an acid-modified polypropylene-based resin exhibiting (C1) a change in amount of acid added, measured by Fourier transform infrared spectroscopy, before and after being treated in methyl ethyl ketone at 70° C. for three hours of 0.8 mass % or less, and having (C2) a melt flow rate (load: 2.16 kg, temperature: 230° C.) of 20 to 2000 g/10 min; the composition containing the components (A) to (C) at such a ratio (mass ratio) that (B):[(A)+(C)]=5 to 80:95 to 20 and (A):(C)=0 to 99.5:100 to 0.5. | 12-03-2009 |
20090311506 | INDUCTION-ASSISTED PRODUCTION METHOD - In a production method for producing molded articles from fiber composites, superparamatic particles are selected which become coupled to an external alternating magnetic field. These superparamagnatic particles are added to a resin portion of a strip-shaped starting material further comprising reinforcing fibers. The strip-shaped starting material is then continuously advanced, and, while being advanced, heated by coupling-in an external alternating magnetic field to which the superparamagnatic particles in the resin portion become coupled. Next, the heated starting material is continuously molded into a molded article; and the resin portion in the molded particle is cured. | 12-17-2009 |
20100009160 | CARBON NANOFIBERS, METHOD OF PRODUCING CARBON NANOFIBERS, CARBON FIBER COMPOSITE MATERIAL USING CARBON NANOFIBERS, AND METHOD OF PRODUCING THE CARBON FIBER COMPOSITE MATERIAL - A method of producing carbon nanofibers includes grinding untreated carbon nanofibers produced by a vapor growth method. The untreated carbon nanofibers are ground so that the ground carbon nanofibers have a tap density 1.5 to 10 times higher than that of the untreated carbon nanofibers. A method of producing a carbon fiber composite material includes mixing carbon nanofibers into an elastomer, and uniformly dispersing the carbon nanofibers in the elastomer by applying a shear force to obtain a carbon fiber composite material. | 01-14-2010 |
20100028646 | POLYAMIDE MOLDING MATERIALS WITH AN IMPROVED FLOWABILITY, THE PRODUCTION THEREOF AND ITS USE - The invention relates to a housing from a polyamide moulding compound containing 70 to 99.5% by weight of at least one thermoplastic polyamide and 0.5 to 30% by weight of at least one polyamide oligomer with linear or branched chain structure with a number average molar mass of 800 to 5000 g/mol with basic end groups which are at least partially NH | 02-04-2010 |
20100040857 | APPARATUS AND METHOD FOR MAKING REACTIVE POLYMER PRE-PREGS - A method and apparatus for making a reactive polymer pre-impregnated reinforcement material, comprising applying a substantially non-volatile composition of substantially solid particles of a reactive thermoset resin to a porous substrate at ambient temperature, initially by melting a first portion of the particles of the reactive thermoset resin. The first portion of the particles of the reactive thermoset resin flows into interstices of at least one layer of the porous substrate and a remaining portion of the particles of the substantially non-volatile composition remains solid. An apparatus for forming a drapable polymer pre-impregnated reinforcement material, comprising: a feeder roll of reinforcement material, a receiver roll of drapable polymer pre-impregnated reinforcement material and a conveyor belt having the reinforcement material from the feeder roll thereon, and a particle deposition hopper adapted to deposit between 20 g/(meter squared) and about 2,000 g/(meter squared) of the substantially non-volatile composition. | 02-18-2010 |
20100047549 | Ballistic Material with Enhanced Polymer Matrix and Method for Production Thereof - A ballastic material is disclosed which contains a fibrous reinforcement; and a polymer matrix enhanced by multi-wall nanotubes, single-wall nanotubes and combinations of these. The fibrous reinforcement is impregnated with the enhanced polymer matrix. | 02-25-2010 |
20100075127 | Reinforced Silicone Resin Film and Method of Preparing Same - A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a nanomaterial-filled silicone composition comprising a hydrosilylation-curable silicone composition and a carbon nanomaterial, and curing the silicone resin of the impregnated fiber reinforcement; and a reinforced silicone resin film prepared according to the preceding method. | 03-25-2010 |
20100104846 | PITCH-BASED CARBON FIBERS, AND MANUFACTURING METHOD AND MOLDED PRODUCT THEREOF - An object of the present invention is to provide carbon fibers which have a high conductivity, readily form a network in a matrix and are suitable for use in a radiating member as well as a molded product thereof. The present invention is pitch-based carbon fibers which are obtained from mesophase pitch and have an average fiber diameter (AD) of 5 to 20 μm, a ratio (CV | 04-29-2010 |
20100104847 | SHEET MOULDING COMPOUND - A sheet compound ( | 04-29-2010 |
20100178486 | Process for fabricating polypropylene sheet - A process for production of a monolithic article from a web of fibres of oriented polypropylene homopolymer or copolymer having a weight average molecular weight (M | 07-15-2010 |
20100279099 | CARBON FIBER COMPOSITE MATERIAL AND PROCESS FOR PRODUCING THE SAME - The present invention provides a carbon fiber composite material comprising an elastomer and a carbon nanofiber dispersed in the elastomer, wherein the elastomer has an unsaturated bond or a group, having affinity to the carbon nanofiber. Also disclosed is a process for producing the carbon fiber composite material. | 11-04-2010 |
20100304119 | PARTICLE-TOUGHENED FIBER-REINFORCED POLYMER COMPOSITES - Particle toughened, fiber-reinforced composites include a fiber region and an interlayer region between the fibers. The fiber region includes a plurality of fibers at least partially within a first polymer composition including a first base polymer formulation and a first plurality of toughening particles. The interlayer region includes a second polymer composition including a second base polymer formulation and at least one of the first plurality of toughening particles and a second plurality of toughening particles. Examples of first and second pluralities of toughening particles, respectively, may include core shell rubbers and polyimides. Increasing concentration of the first plurality of toughening particles may improve the composite toughness while preserving thermal properties of the composite, such as weight loss after extended duration exposure to elevated temperature. It is further discovered that the relative placement of the toughening particles influences composite mechanical properties, such as compression after impact (CAI) strength. | 12-02-2010 |
20100323182 | INTERIOR MATERIAL FOR VEHICLE - The present invention is an interior material for a vehicle having a skin layer and a base layer. The skin layer contains an olefin-based thermoplastic elastomer, a polyolefin resin, a polylactic acid resin and a styrene-based thermoplastic elastomer, in amounts of respectively 20% to 70% by weight, 10% to 50% by weight, 5% to 30% by weight and 5% to 30% by weight based on 100% by weight of the total of these. The base layer is preferably a thin layer in which a natural fiber is dispersed in a phase of a thermoplastic resin such as a polyolefin resin, or a polyurethane foam layer. | 12-23-2010 |
20100323183 | THERMOSETTING SOLUTION COMPOSITION AND PREPREG - A thermosetting solution composition composed of a biphenyltetracarboxylic acid compound containing a partial lower aliphatic alkyl ester of 2,3,3′,4′-biphenyltetracarboxylic acid and/or a partial lower aliphatic alkyl ester of 2,2′,3,3′-biphenyltetracarboxylic acid, an aromatic diamine compound in a molar amount larger than a molar amount of the biphenyltetracarboxylic acid compound, a partial lower aliphatic alkyl ester of 4-(2-phenylethynyl)phthalic acid compound in a molar amount as much as 1.8-2.2 times a molar amount corresponding to a difference between the molar amount of the aromatic diamine compound and the molar amount of the biphenyltetracarboxylic acid compound, and an organic solvent composed of a lower aliphatic alcohol is of value for manufacture of a prepreg. | 12-23-2010 |
20110008606 | FLUORESCENT ANTI-COUNTERFEIT FIBER OF WHICH OPTICAL COLOR IS VARIABLE WITH IRRADIATION ANGLE OF EXCITING LIGHT AND ANTI-COUNTERFEIT MATERIAL - A fluorescent fiber and an anti-counterfeiting material have an optical color that varies with irradiation angles of exciting light. The anti-counterfeiting fiber includes at least two components of materials that extend parallel along the longitudinal direction without twisting. At least one component contains photoluminescence material. The distribution of the components makes the anti-counterfeit fiber form a shielding structure for exciting light, and has an orientation structure. The exciting light shielding structure and orientation structure enable, when the anti-counterfeit fiber falls freely into a plane paralleled to the horizontal plane, the existence of at least two irradiation angles of exciting light above the plane paralleled to the horizontal plane, from which exciting light irradiates on the anti-counterfeit fiber respectively. The anti-counterfeit fiber thereby displays obvious visual difference between two different luminescent colors. In this manner, the visual characteristic of fluorescent anti-counterfeit fiber cannot be imitated by the printing filament. | 01-13-2011 |
20110045274 | FUNCTIONALIZED NANOSCALE FIBER FILMS, COMPOSITES, AND METHODS FOR FUNCTIONALIZATION OF NANOSCALE FIBER FILMS - Methods are provided for functionalizing nanoscale fibers and for making composite structures from these functionalized nanomaterials. The method includes contacting a network of nanoscale fibers with an oxidant to graft at least one epoxide group to at least a portion of the network of nanoscale fibers. A network of functionalized nanoscale fibers or buckypapers may include carbon nanotubes having a mean length of at least 1 mm and having an epoxide group grafted onto the nanotubes. | 02-24-2011 |
20110059308 | FIBRE-REINFORCED COMPOSITE MATERIAL AND MANUFACTURE THEREOF - Prepeg for manufacturing a fibre-reinforced composite material, the prepreg comprising a layer of dry fibres and a layer of resin material adhered to a surface of the layer of dry fibres, the resin material having a plurality of particles dispersed therein, the particles have an average particle size that is larger than the average fibre separation of the layer of dry fibres. | 03-10-2011 |
20110070422 | MICROFIBROUS FABRIC HAVING A SUEDE APPEARANCE, WITHIN THE COLOUR RANGE OF GREY AND BLACK, WITH A HIGH LIGHT FASTNESS, AND PREPARATION METHOD THEREOF - An artificial leather having a suede appearance and colours within the grey-black range and high colour fastness comprising a microfibrous component and an elastomeric matrix; the microfibrous component consisting of polyester microfibres having a count of 0.01 to 0.50 dtex; the elastomeric matrix consisting of polyurethane consisting of soft and hard segments; the ratio between the elastomeric matrix and the microfibrous component ranging from 20/80 and 50/50 by mass; the microfibrous component containing carbon black pigment in a percentage of 0.05 to 2.00% by mass; the elastomeric matrix containing carbon black pigment in a percentage of 0 to 10% by weight; the carbon black always having an average dimension smaller than 0.4 microns. The average length of the tassel is between 200 and 500 microns. The soft segments consist of at least one polycarbonate diol selected from polyalkylene carbonate diols and at least one polyester diol. The hard segments consist of urethane groups deriving from the reaction between free isocyanate groups and water. The total content of carbon black is between 0.025 and 6% by weight. | 03-24-2011 |
20110091710 | SOFT FIBER INSULATION PRODUCT - A rotary fibrous insulation product that is soft to the touch is provided. The fibrous insulation product is formed of glass fibers having an average fiber diameter less than about 5.5 microns. The low fiber diameter helps to impart a soft feel to the insulation product. Additionally, the insulation product contains an oil with a flashpoint of at least 580° F. in an amount up to 5% by weight of the insulation product. The insulation product may contain up to about 85% by weight recycled glass. In exemplary embodiments, the binder is a low-formaldehyde, polyacrylic based binder. The combination of the low fiber diameter, the binder, and the oil create a synergistic effect to produce an unexpectedly soft insulation product. The insulation product is useful in a variety of thermal applications, such as in basements, in attics, and in walls of residential dwellings. | 04-21-2011 |
20110151235 | PREPREG AND CARBON FIBER REINFORCED COMPOSITE MATERIALS - A prepreg containing a carbon fiber [A] and a thermosetting resin [B], and in addition, satisfying at least one of the following (1) and (2).
| 06-23-2011 |
20110212317 | APPARATUS AND METHOD FOR RECYCLING SCRAP, INCLUDING AUTOMOTIVE INTERIOR TRIM SCRAP - Useful articles are produced from shredded post-industrial (scrap), including post-consumer automotive interior trim parts obtained from vehicles. Feedstock is shredded into a fluff and mixed with an isocyanate prepolymer adhesive composition. The mixture may be placed into a mold, onto a continuous web or between laminating rolls to cure the mixture under pressure. The curing step can take place at room or elevated temperatures and only requires moisture either from the atmosphere or present in the shredded scrap or fluff. The articles produced may natural wood sheets such as Luan or wood composite boards currently adhered with urea-formaldehyde or phenol-formaldehyde resins. Other applications include structural or non-structural parts such as bulk heads, roofs, floors or vertical walls used in automotive vehicles, tractor trailers, recreational vehicles or marine vessels. | 09-01-2011 |
20110274907 | CURATIVE FIBRE COMPONENTS - Curative fibre components comprise one or more fibres for filaments of curative suitable to cure curable resins such as thermoset resin. In curative fibre components comprising a plurality of fibres of curative, the fibres can be commingled, such as twisting, to form a thread or yarn. Curative fibre components can be used to form a material in the form of a sheet, fabric, layer, textile or mat of woven or non-woven curative fibres. Curative fibre components can be used to produce composite materials such as fibre reinforced resinous composite materials. The curative fibre components can be commingled, including interwoven, stitched and layered with other fibres or fibrous materials, such as fibrous reinforcement, fibrous curable resin, fibrous thermoplastic, other non-reinforcing fibres to form composite materials, prepregs, preforms and articles. | 11-10-2011 |
20110274908 | FIBER COMPOSITE - To provide a cellulose fiber composite having high transparency, low water absorption and low coefficient of linear thermal expansion. | 11-10-2011 |
20110293913 | RESIN COMPOSITION - A resin composition comprising a fiber component and a resin component, wherein | 12-01-2011 |
20120040170 | Thermoplastic Fiber Composites Having High Volume Fiber Loading and Methods and Apparatus for Making Same - A method and apparatus are provided which enable formation of a thermoplastic article having a high volume loading of a long fiber reinforcement. The method includes providing a first thermoplastic composite material having at least about 40 volume percent of at least one reinforcing fiber; providing at least one mold, the mold(s) each comprising at least one first mold section having an inlet and an outlet and defining a first mold cavity and at least one second mold section having an inlet and an outlet and defining a second mold cavity, wherein the outlet of the first mold section is in communication with the inlet of the second mold section; introducing the first thermoplastic composite material into the first mold cavity; applying heat and pressure to the first thermoplastic composite material in the first mold cavity until the first mold section reaches at least a first process temperature; releasing the pressure on the mold; and reapplying pressure to the mold while cooling, wherein at least a portion of the first thermoplastic composite material flows out of the least one outlet of the first mold section and into the second mold cavity, wherein said cooling solidifies the first thermoplastic composite to form a molded article having the shape of the second mold cavity. Articles formed from such methods and apparatus are also disclosed. | 02-16-2012 |
20120064329 | Methods of Making Fire Retardant Panel Compositions - A fire retardant structural board is provided that includes a body of fibrous material, a triglycidyle polyester binder, a sodium borate pentahydride fire retardant, and a sodium borate pentahydride fire retardant. The body of fibrous material has a weight, first and second surfaces, first and second sides, and a thickness. The fibrous material and triglycidyle polyester are dispersed throughout the thickness of the body. The sodium borate pentahydride fire retardant is dispersed between individual fibers of the fibrous material and throughout the thickness of the body. A sodium borate pentahydride fire retardant composition also coats at least the first surface of the body. | 03-15-2012 |
20120094105 | BAGASSE COMPOSITE, METHOD FOR PREPARING SAME AND INTERIOR MATERIAL USING SAME - Disclosed are a bagasse composite, a method for preparing the composite, and an interior material using the same. More particularly, the composite includes 55-75 wt % of fibers and 25-45 wt % of thermoplastic polymer, wherein the fibers are obtained from bagasse and have a particle size of 40-120 mesh, and a length to diameter ratio of 3:1 to 5:1. Thus, the composite shows a high strength, and is not swelled. Also, the disclosed composite has similar natural texture and patterns to natural wood, and can be used for manufacturing a product capable of substituting for various interior materials and treated wood. | 04-19-2012 |
20120100361 | ANTISEPTIC COMPOSITION FOR ENGINEERING WOOD PRODUCTION, AND ENGINEERING WOOD - The present invention provides an antiseptic composition for engineering wood production, which contains epoxyconazole and a thermosetting resin, and engineering wood which is obtained using the antiseptic composition. The antiseptic composition of the present invention enables efficient production of engineering wood such as plywood or laminated veneer lumber (LVL) that has a high antiseptic effect. | 04-26-2012 |
20120121884 | PROCESS FOR THE PRODUCTION OF A LAMINATED COMPOSITE PRODUCT AND A COMPOSITE PRODUCT MADE BY THE LAMINATION PROCESS - The invention is directed to a process for the making of a product out of laminated composite material. The process in general comprises preforming at least one layer of material such that it corresponds to a surface of a part; applying layers of fibers to the preformed layer of material; and bonding the fibers by a resin to form a laminated composite material. | 05-17-2012 |
20120121885 | METHOD FOR MAKING A CORE HAVING BUILT-IN CROSS-LINKING FIBERS FOR COMPOSITE MATERIAL PANELS, RESULTING PANEL, AND DEVICE - A process for the production of a core ( | 05-17-2012 |
20120135218 | RESIN-IMPREGNATED SHEET AND RESIN-IMPREGNATED SHEET WITH CONDUCTIVE LAYER - A resin-impregnated sheet is provided in which a dielectric loss tangent is small. In a preferred embodiment the sheet is prepared by impregnating a fiber sheet with a liquid crystal polyester which has a repeating unit represented by formula (1), a repeating unit represented by formula (2), and a repeating unit represented by formula (3), in which a content of a repeating unit comprising a 2,6-naphthylene group is 40 mole % or more based on a total amount of all repeating units, as follows: | 05-31-2012 |
20120135219 | METHOD OF PRODUCING ADVANCED COMPOSITE COMPONENTS - In one aspect, a method for producing a composite component including applying a resin over a surface, the resin solidifying to form a resin layer, providing reinforcement means along an x direction generally parallel to the resin layer, providing reinforcement means along a y direction at an angle to the x direction and generally parallel to the resin layer, and providing reinforcement means in a z direction generally perpendicular to the x and y directions in a subsequent production step. In another aspect, a method for producing a composite component including applying liquefied resin on a mould surface of a mould, the resin solidifying to form a resin layer thereon; locating a composite lay-up over the resin layer; locating the mould between first and second pressure chambers, each pressure chamber having an elastically deformable chamber wall, the chamber walls being located in opposing relation with the mould located therebetween; further applying liquefied resin on an opposing surface facing the mould, the resin on the opposing surface solidifying to form an opposing resin layer, such that the composite lay-up is locatable between said resin layers; and circulating a fluid at an elevated pressure and temperature through each pressure chamber such that the resin layers are liquefied and the composite lay-up is compressed, impregnated with resin and cured. | 05-31-2012 |
20120141764 | MULTI GLASS FIBER BONDED HIGH STRENGTH PLASTIC BACK BEAM - A multi-glass fiber bonded high-strength plastic back beam for a vehicle bumper, which may be made of glass fiber and thermoplastic resin, may include a first fiber resin layer in which long fiber or short fiber may be bonded with thermoplastic resin, and a second fiber resin layer in which continuous fiber may be bonded with thermoplastic resin, wherein, when the first fiber resin layer may be independently attached onto the second fiber resin layer by heating, the long fiber or short fiber of the first fiber resin layer may be configured not to permeate between the continuous fibers of the second fiber resin layer. | 06-07-2012 |
20120141765 | FIBER REINFORCED RESIN, MANUFACTURING METHOD FOR FIBER REINFORCED RESIN, AND MANUFACTURING SYSTEM FOR FIBER REINFORCED RESIN - A first process in which a fiber reinforced base is placed in a cavity of a molding die and then resin is injected into the cavity of the molding die in a state where the molding die is opened by a sum of a distance X | 06-07-2012 |
20120156466 | FIBRE MATRIX AND A METHOD OF MAKING A FIBRE MATRIX - A method of forming a three dimensional fibre structure is disclosed which comprises the steps of a) providing a starting material which comprises liquid carrier, fibres and binder; b) passing the starting material over a substrate so as to deposit fibres onto the substrate; c) forming a three dimensional fibre matrix; and d) curing the binder. The flow of material onto the substrate may be controlled such that the flow of a starting material over the substrate is chaotic and fibres are laid down in a three dimensional structure containing a high proportion of voids. The preform may be pressurised while moist and is cured under pressure. The fibres may comprise carbon fibres; recycled carbon fibre has been found to be particularly useful. The resulting preform may be stochastic and is suitable for use in ablative and braking applications. | 06-21-2012 |
20120156467 | METHOD FOR PRODUCING AN AQUEOUS BINDING AGENT DISPERSION - Aqueous polymer dispersion as a binder for particulate and/or fibrous substrates | 06-21-2012 |
20120156468 | TAPE-SHAPED MOLDING AND BELT FOR BALL CHAIN - A tape-shaped product and a belt for a ball chain are provided. A tape-shaped product of synthetic resin includes a tape of a thermoplastic resin, and a preliminarily stretched fibrous member of a thermoplastic resin contained therein along longitudinally parallel edges or in proximity thereto of the tape. A belt for a ball chain, includes a tape-shaped product of synthetic resin formed by injection molding, together with a fibrous member as an insert of a resin of the same kind as that of the fibrous member so that the fibrous member is disposed along the longitudinal edges or in proximity thereto, ball-insetting holes are disposed at equal intervals, and ball-retaining projections are disposed around the holes. | 06-21-2012 |
20120177906 | POLYMERS WITH METAL FILLER FOR EMI SHIELDING - A composite material includes a thermoplastic material, and a metallic filler dispersed within the thermoplastic material. The metallic filler may be fibrous, particulate or a combination thereof. The metallic filler may have a length in a range of about 3 mm to about 10 mm, and/or a mean particle size of about 2 microns to about 10 microns. The composite material may have a volumetric resistivity of not greater than about 0.5 Ohm·cm. The composite material can be in the form of a sealing component. | 07-12-2012 |
20130034718 | RUBBER REINFORCED ARTICLE WITH HIGH MODULUS, RECTANGULAR CROSS-SECTION TAPE ELEMENTS - A reinforced rubber article containing a rubber article and a fibrous layer embedded into the rubber article. The fibrous layer contains monoaxially drawn tape elements having a rectangular cross-section and at least a first layer having a draw ratio of at least about 5, a modulus of at least about 2 GPa, a density of at least 0.85 g/cm | 02-07-2013 |
20130149522 | Fiber with Gradient Properties and Method of Making the Same - There is provided a fiber and method of making a fiber. The fiber has an inner-volume portion having a first outer diameter, a plurality of nanostructures, and one or more first polymers. The nanostructures act as an orientation template for orientation of the one or more first polymers in a direction parallel to a longitudinal axis of the fiber. The fiber has an outer-volume portion having a second outer diameter and one or more second polymers. The outer-volume portion is in contact with and completely encompasses the inner-volume portion. The inner-volume portion has at least one of a tensile modulus and a strength that are higher than at least one of a tensile modulus and a strength of the outer-volume portion. | 06-13-2013 |
20130149523 | Hollow Fiber with Gradient Properties and Method of Making the Same - There is provided a hollow fiber and method of making. The hollow fiber has an inner-volume portion having a first-core portion and one or more hollow second-core portions. The first-core portion has nanostructures and one or more first polymers. The nanostructures act as an orientation template for orientation of the first polymers in a direction parallel to a longitudinal axis of the fiber. The first-core portion is in contact with and encompasses the hollow second-core portions. The hollow fiber further has an outer-volume portion having one or more second polymers. The outer-volume portion is in contact with and completely encompasses the inner-volume portion. The inner-volume portion has at least one of a tensile modulus and a strength that are higher than at least one of a tensile modulus and a strength of the outer-volume portion. | 06-13-2013 |
20130183515 | Articles including expanded polytetrafluoroethylene membranes with serpentine fibrils - Articles including expanded fluoropolymer membranes having serpentine fibrils are provided. The fluoropolymer membranes exhibit high elongation while substantially retaining the strength properties of the fluoropolymer membrane. The membrane may include a fluoropolymer and/or elastomer. Additionally, the article has an elongation in at least one direction of at least about 100% and a matrix tensile strength of at least about 50 MPa. The article may be formed by (1) expanding a dried, extruded fluoropolymer tape in at least one direction to produce an expanded fluoropolymer membrane and (2) retracting the expanded fluoropolymer membrane in at least one direction of expansion by applying heat or by adding a solvent. The application of a tensile force at least partially straightens the serpentine fibrils, thereby elongating the article. The expanded fluoropolymer membrane may include a microstructure of substantially only fibrils. The membranes may be imbibed with an elastomeric material to form a composite. | 07-18-2013 |
20130295370 | WEB ON STAMPABLE SHEET AND METHOD OF MAKING - Web containing a thermoplastic resin, reinforcing fibers and thermal expandable particles dispersed therein. The thermoplastic resin and the reinforcing fibers are uniformly dispersed in a thickness direction and the thermal expandable particles are eccentrically located toward one-side surface of the web, wherein opposite sides of the web have substantially different specific gravity and density | 11-07-2013 |
20140011013 | SUPERHYDROPHOBIC AND SUPEROLEOPHOBIC NANOSURFACES - Devices, systems and techniques are described for producing and implementing articles and materials having nano-scale and microscale structures that exhibit superhydrophobic, superoleophobic or omniphobic surface properties and other enhanced properties. In one aspect, a surface nanostructure can be formed by adding a silicon-containing buffer layer such as silicon, silicon oxide or silicon nitride layer, followed by metal film deposition and heating to convert the metal film into balled-up, discrete islands to form an etch mask. The buffer layer can be etched using the etch mask to create an array of pillar structures underneath the etch mask, in which the pillar structures have a shape that includes cylinders, negatively tapered rods, or cones and are vertically aligned. In another aspect, a method of fabricating microscale or nanoscale polymer or metal structures on a substrate is made by photolithography and/or nano imprinting lithography. | 01-09-2014 |
20150104633 | Method For Molding Tailored Composites - In at least one embodiment, a molding method for producing a molded article is provided. The method may include introducing polymer and fiber separately into an extruder in a first ratio to produce a first extruded material having a first fiber content and in a second ratio to produce a second extruded material having a second fiber content different from the first fiber content. The method may further include filling a first region of a mold with the first extruded material and a second region of the mold with the second extruded material. The extruded material may be formed as blanks for use in compression molding or may be introduced into an injection chamber for use in injection molding. The method may be used to form molded articles having a plurality of regions having different fiber contents. | 04-16-2015 |
20150353713 | STAMPABLE SHEET - A stampable sheet includes a resin and carbon fiber sheet including fiber bundles of discontinuous carbon fibers, wherein the carbon fiber sheet includes fiber bundles having a bundle width of 50 μm or greater and opened fibers ranging from fiber bundles having a bundle width less than 50 μm to fibers obtained by opening to the single-fiber level. When the direction along which the opened fibers have been oriented most is a 0° direction and the range of from the 0° to 90° direction is divided into angular zones, the distribution curve showing the proportion of the number of fiber bundles in each angular zone to that in all angular zones and the distribution curve showing the proportion of the number of opened fibers in each angular zone to that in all angular zones are reverse to each other in terms of gradient of the 0° to 90° direction. | 12-10-2015 |