Abstract: A method for manufacturing a semi-finished textile product, particularly a prepreg, from carbon fibers preimpregnated with a matrix material, includes the steps of manufacturing non-woven fabric having at least 10% carbon fibers and/or a fleece having at least 10% carbon fibers. At least a portion of the fibers used for manufacturing the fabric and/or the fleece are waste fibers and/or recycling fibers. The non-woven fabric and/or fleece is impregnated with a matrix material selected from the group thermoplastic, thermoset, elastomers and any chosen mixtures of two or more of the aforementioned materials.

Abstract: A flexible thermally conductive structure. The structure generally includes a plurality of thermally conductive yarns, at least some of which are at least partially disposed adjacent to an elastomeric material. Typically, at least a portion of the plurality of thermally conductive yarns is configured as a sheet. The yarns may be constructed from graphite, metal, or similar materials. The elastomeric material may be formed from urethane or silicone foam that is at least partially collapsed, or from a similar material. A thermal management garment is provided, the garment incorporating a flexible thermally conductive structure.

Abstract: The invention relates to a composition including an acid-stable inorganic binder and fibres. The composition includes at least one inorganic binder and fibres, wherein the inorganic binder comprises water glass, the fraction of the composition which is attributable to water glass preferably being in the range from 2% to 99% by weight or 6% to 94% by weight or 11% to 89% by weight or 21% to 79% by weight. The fibre material is present as a weave and/or knit and/or scrim and/or net and/or brous nonwoven web and/or as hollow fibres. Owing to its high strength coupled with low weight, this material of construction is very useful for fabricating ready-made components for structural and civil engineering. In addition, it is also very easy to produce structural components and engineered structures on site. It is possible to realize very light components, to achieve very delicate geometries and, owing to the favourable strength-to-weight ratio, to build unusually high structures.

Abstract: A photocurable fixture for orthopedic surgery has a base material and a photocurable resin retained in the base material and containing a urethane (meth)acrylate oligomer and a photopolymerization initiator which absorbs a light within a range of 400 to 700 nm. The urethane (meth)acrylate oligomer being represented by the following formula (I), where A denotes a diisocyanate residue, and each of X and Y denotes a residue obtained by removing a hydroxy group from a (meth)acrylate having a hydroxy group. In formula (I) at least 40 mol % of X and Y is a residue obtained by removing a hydroxy group from a (meth)acrylate having a hydroxy group represented by the following formula (II), where in Formula (II) each of R1 to R6 denotes a hydrogen atom or a methyl group.

Abstract: A cover for camouflage against electromagnetic radiation. According to the invention, the cover includes a random set of puckered features in relief, these being formed by a camouflage net associated with a flexible dielectric mesh.

Abstract: A composite resin molded product has a molded product body made of a resin and a fiber sheet material inserted on the surface of the molded product body. The fiber sheet material is formed of a knitted fabric, and the rear surface of the knitted fabric faces the molded product. The surfaces of fiber yarns of the knitted fabric are integrated with the molded product body by melting and solidifying.

Abstract: A freestanding article is provided that uses a cured polyaspartic acid urethane resin to form a hardened matrix impregnating and surrounding a cloth having parallel fibers. This resin provides an article with superior mechanical and weathering properties relative to conventional resins such as epoxies and vinyl esters.

Abstract: The invention relates to embodiments of a new composite material comprising at least a first plastic material and particles of magnetizable, magnetized or metal material. The invention further concerns an article made of the composite material and a method for obtaining an article from the composite material.

Abstract: Woven fabrics suitable for use as a lightning strike material are disclosed. Methods of making woven fabrics are also disclosed. Methods of using woven fabrics are further disclosed.

Abstract: A carbon/carbon (C/C) composite includes a carbon matrix and a non-woven, carbon nanotube (CNT)-infused carbon fiber material. Where woven materials are employed, CNTs are infused on a parent carbon fiber material in a non-woven state. A C/C composite includes a barrier coating on the CNT-infused fiber material. An article is constructed from these (C/C) composites. A method of making a C/C composite includes winding a continuous CNT-infused carbon fiber about a template structure and forming a carbon matrix to provide an initial C/C composite or by dispersing chopped CNT-infused carbon fibers in a carbon matrix precursor to provide a mixture, placing the mixture in a mold, and forming a carbon matrix to provide an initial C/C composite.

Abstract: A composite material is composed of a metal matrix in which CNT filaments are distributed. The CNT filaments are intertwined, interwoven, or tied together, and the matrix is cold-worked. The matrix material is thereby filled with a higher percentage of CNT filaments than when dispersed CNT are electrodeposited. In a method for producing such a composite material, suitable semifinished products such as knitted fabrics, woven fabrics, nets, fleeces, or papers made of CNT filaments are coated (preferably electroplated) with the metal matrix.

Abstract: The invention relates to the field of composite structures comprising a fibrous material, a matrix resin composition and a portion made of a surface resin composition, wherein the compositions are chosen from compositions comprising one or more semi-aromatic polyamides and one or more polyhydric alcohols.

Abstract: A self-healing composite material comprising a fibre-reinforced polymeric matrix, wherein the polymeric matrix comprises a thermosetting polymer and a thermoplastic polymer.

Abstract: The present invention relates to the field of composite structures, overmolded composites structures and processes for their preparation, particularly it relates to the field of polyamide composite structures.

Abstract: A freestanding article is provided that uses a cured polyaspartic acid urethane resin to form a hardened matrix impregnating and surrounding a cloth having parallel fibers. This resin provides an article with superior mechanical and weathering properties relative to conventional resins such as epoxies and vinyl esters.

Abstract: A composite laminate includes a plurality of sheets of prepreg stacked one over another, and a scrim layer provided on an exterior surface of the sheets of prepreg. Each prepreg sheet is formed of fibers preimpregnated with resin. The scrim layer and the sheets of prepreg form a composite laminate whereby the scrim layer constitutes an outer, exposed surface of the composite laminate. The scrim layer may be a nonwoven carbon or glass fiber scrim that has absorbed resin from the sheets of prepreg. A method of making a composite laminate includes placing into a mold a scrim and a plurality of sheets of prepreg, with the scrim extending between an exterior surface of the sheets of prepreg and an inner surface of the mold; forming a composite laminate whereby the scrim is adhered to the sheets of prepreg; and removing the composite laminate from the mold. An outer layer of the composite laminate includes the scrim.

Abstract: A manufacturing method of a clad board includes: sticking a releasing film to a pre-preg sheet; forming a non-through-hole or through-hole in the pre-preg sheet including the releasing film; filling the hole with conductive paste; peeling off the film; and heating and pressing a metal foil onto the pre-preg sheet. The clad board has a smooth face formed on one face or both the faces of the pre-preg sheet, so that the conductive paste is restrained from spreading in an interface between the pre-preg sheet and the releasing film. This structure can avoid short-circuit between circuits and prevent insulating reliability from lowering. As a result, an yield rate is improved, and a reliable circuit board is obtainable.

Abstract: A thermosetting composition including an organic solvent, a liquid crystalline thermoset oligomer, and either a crosslinking agent or an epoxy resin or both is disclosed. A printed circuit board which includes the thermosetting composition is also disclosed. The printed circuit board is produced by impregnating the thermosetting composition into a reinforcing material.

Abstract: A method of making a smooth surfaced, fiber reinforced ceramic matrix composite includes the steps of providing a fiber preform, the preform having a surface containing voids; placing fibers into the voids; coating the preform fibers and the void fibers with a coating material to create a weak interface; and infiltrating the coated fibers with a matrix material to infill the voids and preform, and form strongly bonded networks within the voids. Alternatively, the resulting smooth surfaced, fiber reinforced ceramic matrix composite may include, in addition to the first coating material on the preform fibers and the void fibers and the matrix material within the coated fibers and the preform to infill the voids and preform, a second coating material on the preform fibers and the void fibers, creating a second coating of substantially uniform thickness on the fibers and forming strongly bonded networks within the voids.

Abstract: The present invention relates to the assembly by adhesive bonding of a first substrate S1 made of thermoplastic polymer elastomer (abbreviation TPE) or of omopolymeric polyamide (abbreviation PA) or copolymeric polyamide (abbreviation coPA) and of a second substrate S2. The substrates S1 and S2 can be of the same kind, in other words made of TPE or of homopolymeric PA or of coPA, or may be of different kinds. Generally speaking, the thermoplastic polymer elastomer (TPE) substrates S1 are assembled by adhesive bonding with other substrates S2 by means of adhesives or glues based on organic solvent, which are also referred to as two-component solvent-borne polyurethane adhesives.

Abstract: Multi-panel ballistic resistant articles formed from woven and/or non-woven fibrous panels, each panel including varying quantities of a polymeric composition based on the total weight of the fibers and the polymeric composition. The hybrid structures provide excellent ballistic penetration resistance while maintaining a low weight. The ballistic resistant articles may be strategically positioned to dial in different levels of desired ballistic resistance for various applications.

Abstract: A fiber reinforcing texture (10) woven as a single part for fabricating a composite material part having an inner portion (12), or core, made by three-dimensional weaving with yarns made up from discontinuous fibers, and a portion (14, 16) adjacent to an outside surface, or skin, made by weaving with yarns made up from continuous filaments.

Abstract: A method of producing a fiber-reinforced carbide-ceramic component includes producing a carbonaceous article from at least one unidirectional tape by pyrolysis, infiltrating the carbonaceous article with carbide former, and coating the at least one unidirectional tape with a coating material being volatile in pyrolysis and/or providing the at least one unidirectional tape with a transverse thread system including transverse threads composed of a material being volatile in pyrolysis. A fiber-reinforced carbide ceramic component is also provided.

Abstract: The present invention relates to a textile sheetlike structure (1), in particular for protection against biological and chemical noxiants and poisons, such as biological and chemical warfare agents. The sheetlike structure (1) having a textile support layer (2) and a first sheetlike piece (3) of activated carbon fibers which is laminated onto the support layer (2), wherein the sheetlike structure (1) further comprises a second sheetlike piece (4) of activated carbon fibers which is laminated onto the support layer (2) such that edges of the two sheetlike pieces (3, 4) touch and/or overlap and wherein the two sheetlike pieces (3, 4) are joined together by the support layer (2). This provides a seamless joining together of two or more sheetlike pieces to form a continuous sheetlike structure of activated carbon fibers to provide an improved material for use in the production of protective articles.

Abstract: An FRP is produced using a prepreg comprising reinforcing fiber, a sheet-like reinforcing fiber substrate containing reinforcing fiber, and a matrix resin, wherein the matrix resin is impregnated into the sheet-like reinforcing fiber substrate and also covers one surface of the sheet-like reinforcing fiber substrate, and the matrix resin impregnation ratio is within a range of 35% to 95%; a prepreg comprising reinforcing fiber, a sheet-like reinforcing fiber substrate containing reinforcing fiber, and a matrix resin, wherein the matrix resin exists on both surfaces of the sheet-like reinforcing fiber substrate, and the portion inside the sheet-like reinforcing fiber substrate into which the matrix resin has not been impregnated is continuous; or a prepreg comprising reinforcing fiber, a sheet-like reinforcing fiber substrate containing reinforcing fiber, and a matrix resin, wherein at least one surface exhibits a sea-and-island-type pattern comprising resin-impregnated portions (island portions) where the mat

Abstract: Aerogel composite materials having a lofty fibrous batting reinforcement preferably in combination with one or both of individual short randomly oriented microfibers and conductive layers exhibit improved performance in one or all of flexibility, drape, durability, resistance to sintering, x-y thermal conductivity, x-y electrical conductivity, RFI-EMI attenuation, and/or burn-through resistance.

Abstract: A decontamination pad includes an adsorptive/absorptive knitted activated-carbon layer exposed on a first surface, an activated-carbon fabric attached to the other surface of the knitted layer and backed up an impermeable layer. The activated carbon is saturated with a non-hazardous CWA decontamination solvent as nonspecific means of decontaminating equipment and open-wounds is provided. The pad is packaged in a sealed, disposable plastic packet. The pad is thus a simple and immediate means of personal decontamination by applying the exposed surface of the knitted layer to the surface to be decontaminated.

Abstract: Compositions comprising maleinized imide polymer and ?,?-ethylenically unsaturated carboxylic, the polymer selected from the group consisting of butadiene homopolymer, butadiene copolymers, isoprene homopolymer, isoprene copolymers. and poly(maleic anhydride-co-alkenyl benzenes), are disclosed. Maleinized imide resin, optionally in solution and optionally comprising metallic salt of ?,?-ethylenically unsaturated carboxylic acid, is used to treat fabric and thereby improve fabric to rubber adhesion. The resultant treated fabric and fabric-rubber composite are also disclosed.

Abstract: A carbon fiber-made reinforcing woven fabric comprising a carbon-fiber woven fabric formed from warps consisting of carbon fibers and wefts consisting of carbon fibers, and auxiliary yarns arranged along at least either warps or wefts, the auxiliary yarns being passed over and under other yarns differently from associated warps or wefts. When prepreg is produced by applying matrix resin to this woven fabric by a wet/prepreg processing method before drying, the presence of auxiliary yarns in gaps in the vicinities of warp-weft intersections on the woven fabric allows matrix resin to remain around auxiliary yarns to produce no apertures in the obtained prepreg, whereby the woven fabric is suitable for a prepreg production by wet/prepreg processing.

Abstract: A reinforcement fabric includes a first layer of collimated continuous fibers, a second layer selected from a group consisting of veil, continuous filament mat, chopped strand mat, direct chopped mat, direct continuous mat, collimated continuous fibers, woven fabric, non-woven fabric, scrim and combinations thereof as well as a surface adhesive that adheres the first and second layers together. The surface adhesive is selected from a group consisting of hot melt adhesive and web bonded adhesive. The surface adhesive has a melt flow index range of about 5 to about 500 at room temperature and about 900 to about 1300 at application temperature. A method is also provided for the production of the reinforcement fabric.

Abstract: A carbon fiber reinforced substrate comprising a fabric composed of carbon fiber bundles and a first resin adhering to the fabric. Each of the carbon fiber bundles comprises numerous continuous carbon filaments, has the tensile modulus of 210 GPa or more, and has the fracture strain energy of 40 MJ/m3 or more. The amount of the first resin adhering to the fabric is in a range from 1 to 20 parts by weight per 100 parts by weight of said fabric. A preform comprising a laminate composed of plural layers of the carbon fiber reinforced substrate, wherein the layers are integrated by means of the first resin. A composite comprising the preform impregnated with a matrix resin.

Abstract: Aerogel composite materials having a lofty fibrous batting reinforcement preferably in combination with one or both of individual short randomly oriented microfibers and conductive layers exhibit improved performance in one or all of flexibility, drape, durability, resistance to sintering, x-y thermal conductivity, x-y electrical conductivity, RFI-EMI attenuation, and/or burn-through resistance.

Abstract: Material from a fibre composite ceramic, constructed from a) a dense fabric or cluster of three-dimensional oriented fibres with a high thermal conductivity, b) a crystalline matrix of ?-silicon carbide, that is produced in a CVI process on the fibres, c) a matrix component of ?-silicon carbide that in a polymer infiltration and pyrolysis process is generated in pores of the fabric structure, starting from a suspension of silicon carbide powder in a polymer, and d) a further matrix component of ?-silicon carbide that is created in a CVI process in cracks and pores of the material, caused by the preceding pyrolysis process.

Abstract: A product includes a fabric made at least of yarns containing at least basalt fibers, the yarns or fibers being possibly at least partly provided with a sizing agent, said fabric having a weight of between about 100 g/m2 and 2000 g/m2. The product also includes at least a polyester polyurethane coating layer coating at least partly a face of the fabric, the coating having a polyester polyurethane weight of between about 5 and 100 g/m2, advantageously between 10 and 50 g/m2, preferably between 20 and 40 g/m2.

Abstract: The present invention is aimed at providing FRP formed by integrating a fiber reinforcing material and a non-woven fabric, and having excellent shaping ability, impact resistance after molding, and excellent reliability and low cost. The aim of the present invention is achieved by a complex fiber reinforcing material including a sheet-shaped fiber reinforcing material composed of reinforcing fibers, and a non-woven fabric laminated on at least one side of the fiber reinforcing material, wherein the fibers constituting the non-woven fabric pass through the fiber reinforcing material to integrate the non-woven fabric with the fiber reinforcing material.

Abstract: A clothing element includes a carrier of a form that conforms to a portion of a body surface and an adherent coating made of titanium or of a titanium alloy and/or titanium compound located on one side of the carrier facing the body surface. The adherent coating increases the physical performance and the physical wellness of a body by for example, positively influencing muscle contractility and vasoactivity, and counteracting signs of fatigue and formation of sweat.

Abstract: A fire-resistant heat insulating material excellent in resistance to heat, resistance to slag, resistance to molten iron, resistance to wear, and resistance to mechanical impulse is provided. A highly endurable heat insulating material characterized by being provided on the surface of a layer of inorganic heat insulating fibers through the medium of a coating film of surface hardening material with a flame sprayed film of a fire-resistant ceramic substance.

Abstract: A friction material has a first layer of a base material and a second layer of at least one type of friction modifying particle having substantially symmetrical geometric shapes on a top surface of the base material. The second layer has an average thickness of about 30 to about 200 microns and the surface area coverage of about 80 to about 100% such that the top layer has a fluid permeability lower than the first layer.

Abstract: An object of the present invention is, by utilizing carbon fibers as its constituent material, to provide a thermal-acoustic insulation material having excellent properties in durability, compression resilience, lightness, fireproofness, and non-galvanic corrosiveness. The material of the present invention comprises a wool-like carbon fiber aggregate composed of carbon fibers having an average fiber diameter of 0.5 ?m to 5 ?m and an average fiber length of 1 mm to 15 mm and the contact points of the fibers are bonded together by a thermosetting resin. The galvanic current of the material is 10 ?A or lower in a galvanic cell comprising an electrode composed of the thermal-acoustic insulation material, the other electrode composed of an aluminum plate, and an electrolytic solution composed of 0.45 wt. % sodium chloride aqueous solution.

Abstract: A laminate of inorganic sheet and polyester resin having an overall thickness of 5 to 25 mils and having an elongation at break in both the cross direction and machine direction of at least 25%.

Abstract: An article and method for reinforcing structural members is provided. The article comprises a carbon fiber material, preferably a carbon fiber mesh with a roughened surface defined by an epoxy resin. The article has lateral fibers woven into longitudinal carbon fibers that are in tension, creating a mesh. An epoxy resin is applied to the fiber mesh to form a rigidified fiber mesh tape once the resin is cured. To obtain a roughened surface a plastic sheet is removably attached to the surface of the fiber mesh. The plastic sheet is removed thereby exposing a roughened carbon fiber surface defined by the epoxy. The rigidified fiber mesh tape is adhered to the structural member by applying a second epoxy to the structural member. The roughened surface of the rigidified carbon fiber mesh material is then joined to the second epoxy resin. To firmly adhere the fiber mesh to the structural member an impermeable material and a plastic barrier are placed above the article and the structural member.

Abstract: Curable compositions, such as benzoxazine-based ones, are useful in applications within the aerospace industry, such as for example as a heat curable composition for use as a matrix resin or an adhesive, and form the basis of the present invention.

Abstract: Metallic/composite articles and methods for making such articles as well as thermoplastic/fiber material composites are provided herein. Composites include a woven fiber material such as carbon fiber material and a thermoplastic selected from a group consisting of polyarylene ether ketone, polyarylene ether ketone ketone, polyarylene ether ether ketone, and derivatives thereof. Articles include such composites and a base metal, wherein the composite is directly adhered to a first surface of the base metal.

Abstract: A process for producing a carbon fiber sheet, which comprises allowing, as necessary, an oxidized polyacrylonitrile fiber sheet to contain 0.2 to 5% by mass of a resin, then subjecting the resin-containing oxidized polyacrylonitrile fiber sheet to a compression treatment in the thickness direction under the conditions of 150 to 300° C. and 5 to 100 MPa (10 to 100 MPa when no resin treatment is made) to obtain a compressed, oxidized fiber sheet having a bulk density of 0.40 to 0.80 g/cm3 and a compression ratio of 40 to 75%, and thereafter subjecting the compressed, oxidized fiber sheet to a carbonizing treatment, which carbon fiber sheet has a thickness of 0.15 to 1.0 mm, a bulk density of 0.15 to 0.45 g/cm3, a carbon fiber content of 95% by mass or more, a compression deformation ratio of 10 to 35%, an electric resistance of 6 m&OHgr; or less and a feeling of 5 to 70 g.

Abstract: Composite coating (10) improves the resistance to blast or seismic forces of a structure (100), such as wall (101). Coating (10) includes a first layer (20) of elastomeric polyurethane in contact with and adhering to wall (101), a second layer (30) of elastomeric polyurethane in contact with and adhering to first layer (20), and a layer of textile (40) embedded between first layer (20) and second layer (30).

Abstract: A carbon friction material, preferably a woven carbon friction material, wherein a binder such as an epoxy or phenolic resin is used to strengthen and impart rigidity to the friction material. The friction material has a graded concentration of the binder such that the friction surface may have substantially no binder. A reinforcing substrate such as a fiberglass backing may also be present. The coefficient of friction at the friction surface may be further increased by, for example, shaving the surface such that a plurality of fibers become oriented in a direction perpendicular to the friction surface.

Abstract: An article and method for reinforcing structural elements is provided. The article includes a carbon fiber strip with a removable cover sheet. Upon removal of the cover sheet, a clean and roughened surface on the strip, defined in part by a bonding agent, is exposed. The product is adhered to a structural element by applying an epoxy to the structural element and placing the roughened surface of the carbon fiber strip onto the epoxy. To firmly adhere the article to the structural element, uniform pressure is applied with the help of an external vacuum pump until the epoxy cures and the product is firmly adhered to the structural element.

Abstract: A method is provided for making a hydrophilic carbon fiber construction comprising the steps of: a) immersing a carbon fiber construction in an aqueous dispersion of one or more metal oxides, comprising: i) 1-15% by weight metal oxide; ii) 0.01%-5% by weight dispersant; and b) subsequently heating the carbon fiber construction sufficiently to remove substantially all of the dispersant. Typically the entire method can be completed in less than 20 minutes. In addition, a hydrophilic carbon fiber construction made according to the method of the present invention is provided, typically having a loading of metal oxide equivalent to 20-50 mg metal per gram of carbon.

Abstract: The present invention relates to a fiber complex where conductive composite fibers having a conductive thermoplastic component and a fiber forming component are mixed, characterized in that the conductive composite fiber is composed of a thermoplastic polymer containing carbon black and has a specific resistance of 106 &OHgr; cm or less, and the conductive thermoplastic component covers 50% or more of the fiber surface and has a structure continuous in the long axis direction of fiber, and working wears, filters and shoe insoles using the fiber complex.

Abstract: A composition of matter and method for inducing the rapid strengthening of damaged structures (e.g., buildings, bridges, dams, etc.) by reducing the application and curing times without the need to apply heat and pressure. The composition of matter comprises a strengthening fabric and a bonding agent which may be cured with ultraviolet light, such as sunlight, in less than about 30 min. The strengthening fabric comprises fibers chemically compatible with the bonding agent, and oriented to allow the bonding agent to quickly diffuse through the fabric.