Abstract: Disclosed herein are processes for making a consolidated or densified composite article comprising polymer, particularly fluoropolymer, and oriented carbon fiber, which provides suitability for use in chemical-mechanical applications.

Abstract: A composite structure comprising: a first stack comprising a plurality of plies of composite material and at least one ply of self-healing material, the ply of self-healing material comprising a plurality of containers each containing a curable healing liquid; and a second stack comprising a plurality of plies of composite material, the stacks being joined together at a bond line. By placing a ply of self-healing material in one of the stacks (preferably relatively close to the bond line) the ply of self-healing material can resist the propagation of cracks between the first stack and the second stack. Preferably the global strength of the first stack is greater than the global strength of the second stack.

Abstract: A carbon nanotube sheet of the present invention includes carbon nanotubes and a polymeric material, wherein the carbon nanotubes are present in an isolated state, the axis directions of the carbon nanotubes are aligned m a thickness direction of the carbon nanotube sheet, and the space between the carbon nanotubes is filled with the polymeric material.

Abstract: A carbon nanotube composite structure includes a matrix and a carbon nanotube structure. The matrix has a surface. The carbon nanotube structure is incorporated in the matrix. A distance between the carbon nanotube structure and the surface is less than 10 micrometers. The carbon nanotube structure includes a plurality of carbon nanotubes joined with each other by van der Waals attractive force.

Abstract: In a method for fabricating a carbon nanotube (CNT) composite, an array of CNTs is provided. A CNT ribbon is pulled from the array and wound on a rotating mandrel. A polymer solution is applied to the ribbon to form a CNT composite laminate. The CNTs in the ribbon may be substantially aligned in a single direction. The ribbon may be attached to the mandrel such that the ribbon may be wound on the mandrel as the mandrel rotates. A CNT composite is provided that may include a polymer integrated with long, substantially straight CNTs that are highly aligned in a single direction. An apparatus for fabricating a CNT composite is provided that may include a rotatable mandrel and a spray gun. The spray gun may be configured for spraying a polymer solution on the CNT ribbon as the CNT ribbon is taken up on the rotating mandrel.

Abstract: A yarn includes reinforcing fiber filaments and a resin that is infiltrated into the yarn and can be repeatedly melted and solidified by cooling to room temperature, wherein the filaments of the yarn are at least partially bound to one another by the resin, wherein the yarn contains 2.5 to 25 wt.% of infiltrated resin relative to its total weight, and wherein the infiltrated resin includes a mixture of at least two epoxy resins E1 and E2, E1 having an epoxy value in the range of 2,000 to 2,300 mmol/kg of resin and E2 having an epoxy value in the range of 500 to 650 mmol/kg of resin, and the weight ratio E1:E2 of the epoxy resins E1 and E2 in the mixture is chosen so that the infiltrated resin mixture has an epoxy value between 550 and 2,100 mmol/kg of resin. A preform comprising the yarn, a method for producing the preform and its use in producing a composite are also described.

Abstract: A protective device includes a base film, a first carbon nanotube film, and a first protecting film. The first protecting film includes a release layer. The first carbon nanotube film is located between the base film and the first protecting film and in contact with the release layer. The carbon nanotube film is capable of being released from the release layer. The present disclosure also relates to a roll of protective device, and a method for making the protective device.

Abstract: A carbon nanotubes (CNTs)-containing resin composite comprised of a synthetic resin-impregnated aligned CNTs aggregate to have a specific surface area of at least 600 m2/g. Its production method comprises a step of laying down an aligned CNTs aggregate having grown perpendicularly from a substrate, a step of impregnating the laid-down aligned CNTs aggregate with a resin, and a step of shaping the resin-impregnated aligned CNTs aggregate into a sheet. Accordingly, there are provided a CNTs-containing resin composite having a high CNT content and a high degree of alignment and having a desired shape capable of fully taking the advantages of anisotropy intrinsic to CNTs, and a production method capable of producing it with ease.

Abstract: A method to prepare a carbon fiber bundle which can develop satisfactory interfacial adhesion to polyolefin-based resins, especially polypropylene resins, is provided. The carbon fiber bundle comprises a plurality of single fibers sized with a sizing agent comprising: a polymer having a main chain formed of carbon-carbon bonds, containing an acid group in at least part of side chains or at least a part of main chain ends, and having an acid value of 23 to 120 mg KOH/g as measured in accordance with ASTM D1386; or a polymer having a main chain formed of carbon-carbon bonds and containing at least either of an epoxy group and an ester group in at least a part of side chains or at least a part of main chain ends.

Abstract: A composite beam chord is between first and second reinforcement plates. The beam chord includes a first ply of reinforcing fibers with a fiber orientation of +? degrees with respect to a longitudinal axis of the beam chord and a second ply of reinforcing fibers with a fiber orientation of ?? degrees with respect to the longitudinal axis. The angle ? is between 2 and 12 degrees for suppression or delay of ply splitting.

Abstract: A low-melt plastic fastener. According to one embodiment, the low-melt plastic fastener is shaped to include a flexible filament having a first cross-bar at a first end, and a second cross-bar at a second end. The filament, the first cross-bar, and the second cross-bar may be formed from the same material and may be molded as a unitary structure. Preferably, the fastener is molded as part of a length of continuously connected ladder stock. The plastic fastener is preferably made from a formulation consisting of about 60-99%, by weight, of a low-melt polyurethane and 1-40%, by weight, of a styrene acrylonitrile. The formulation is selected so that the filament melts when heated for about 10 minutes at 130-180° C.

Abstract: Conductive nonwoven webs are disclosed. The nonwoven webs contain pulp fibers combined with conductive fibers. In one embodiment, the webs are made in a wetlaid tissue or paper making process. The pulp fibers contained in the webs may comprise softwood fibers, while the conductive fibers may comprise carbon fibers. Base webs can be produced having a resistance of less than about 100 Ohms/square in one embodiment. Once produced, the conductive material can be cut into slits that are then wound on spools. From the spools, the conductive slits can be fed into a process for making any suitable product.

Abstract: A fine carbon fiber having linearity, each fiber filament of the carbon fiber having a bending angle of 30° or less with respect to the longitudinal direction of the fiber filament, and including a hollow space extending along its axis, and having an outer diameter of 1 to 1,000 nm, an aspect ratio of 5 to 1,000, and a BET specific surface area of 2 to 2,000 m2/g, wherein the average interlayer distance (d002) of the carbon fiber at a (002) plane is 0.345 nm or less as measured by means of X-ray diffractometry, and the ratio of the peak height (Id) of the band at 1,341 to 1,349 cm?1 in a Raman scattering spectrum of the carbon fiber to that of the peak height (Ig) of the band at 1,570 to 1,578 cm?1 in the spectrum (Id/Ig) is 0.1 to 2. The fiber exhibits excellent dispersibility in a matrix.

Abstract: Provided are a shape memory polymer composition, which comprises a bifunctional isocyanate and/or a trifunctional isocyanate, and a polyol having an average molecular weight of from 100 to 550, with a molar ratio in terms of functional groups of isocyanate:polyol=0.9 to 1.1:1.0; FRP having the shape memory polymer and a fibrous material; and a production process of the FRP comprising impregnating the fibrous material with, as a matrix resin, the shape memory polymer composition and curing. According to the present invention, the shape memory polymer composition has an extended pot life and FRP has excellent inflatability.

Abstract: A layered product which is a molded object including a thermoset resin layer, a thermoplastic resin layer, and reinforcing fibers comprising many continuous filaments, wherein the thermoset resin layer has been united with the thermoplastic resin layer at the interface between these layers, the resin of the thermoset resin layer and the resin of the thermoplastic resin layer each having an irregular surface shape at the interface, and a group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoset resin layer and the other group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoplastic resin layer, and that side of the thermoplastic resin layer which is opposite to the interface being a surface of the molded object.

Abstract: Thermoplastic composites having a core composite layer including a fibrous substrate and one or more high performance polymer, and a surface layer polymer applied to at least one surface of the core composite layer, which forms a polymer blend with the high performance polymer thereby imparting improved toughness and processing times, and methods for making and using same, are provided herein.

Abstract: An article such as a fan blade of a turbofan engine comprises a core made up of components at least some of which comprise packs of rods embedded in a resin matrix material. The rods extend in the span-wise direction of the blade to resist centrifugal forces imposed on the blade during operation. The core is encased in a skin formed from preforms which may comprise fabric reinforcements.

Abstract: A refractory ceramic composite for an armor shell, comprising a ceramic core that is formable to replicate a portion of a three dimensional surface, e.g., of an aircraft, to provide ballistic protection. A method of making a shell of refractory ceramic armor capable of conforming to the geometry is provided. The shell is formed by forming a mold to replicate the surface area; arranging a ceramic core on the mold; and removing the mold to leave said ceramic core, and heat treating the ceramic core to a desired hardness. The ceramic core is in the shape of the surface area.

Abstract: Prepregs, laminates, printed wiring board structures and processes for constructing materials and printed wiring boards that enable the construction of printed wiring boards with improved thermal properties. In one embodiment, the prepregs include substrates impregnated with electrically and thermally conductive resins. In other embodiments, the prepregs have substrate materials that include carbon. In other embodiments, the prepregs include substrates impregnated with thermally conductive resins. In other embodiments, the printed wiring board structures include electrically and thermally conductive laminates that can act as ground and/or power planes.

Abstract: A layered product which is a molded object comprising a thermoset resin layer, a thermoplastic resin layer, and reinforcing fibers comprising many continuous filaments, wherein the thermoset resin layer has been united with the thermoplastic resin layer at the interface between these layers, the resin of the thermoset resin layer and the resin of the thermoplastic resin layer each having an irregular surface shape at the interface, and a group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoset resin layer and the other group of filaments among the reinforcing fibers are in contact with at least the resin of the thermoplastic resin layer, that side of the thermoplastic resin layer which is opposite to the interface being a surface of the molded object.

Abstract: The fine carbon fiber obtained by pulverizing vapor grown fine carbon fiber, each fiber including a hollow space extending along its axis, and having an outer diameter of 1 to 1,000 nm, an aspect ratio of 5 to 1,000, and a BET specific surface area of 2 to 2,000 m2/g, wherein the average interlayer distance (d002) is 0.345 nm or less, and the ratio of the peak height (Id) of the band (e.g. 1,341 to 1,349 cm?1) in a Raman scattering spectrum to that of the peak height (Ig) of the band (e.g. 1,570 to 1,578 cm?1) (Id/Ig) is 0.1 to 2, a bending angle of 30° or less with respect to the axis; a composite material comprising the fine carbon fiber and a resin serving as a matrix, wherein the fine carbon fiber is oriented in one direction through, application of an external force; and a production method and use thereof.

Abstract: Conductive nonwoven webs are disclosed. The nonwoven webs contain pulp fibers combined with conductive fibers. In one embodiment, the webs are made in a wetlaid tissue making process.

Abstract: Plastic composite material made up of a polymer matrix with a concentration of a nanofiber material and with a concentration of graphite-based particles. The matrix additionally contains at least one inorganic filler in the form of silicate-based particles or in the form of glass particles.

Abstract: Disclosed herein are processes for making a consolidated or densified composite article comprising polymer, particularly fluoropolymer, and oriented carbon fiber, which provides suitability for use in chemical-mechanical applications.

Abstract: A composite material comprises a layer of fibres conjoined to a matrix, where one of the matrix and fibres comprises a first component which exhibits auxetic behaviour for loading along a first direction, and the other of the matrix and fibres comprises a second component which exhibits non-auxetic behaviour for loading along the first direction.

Abstract: The present method relates to a method for making a transparent carbon nanotube film. The method includes the following steps: (a) making a carbon nanotube film, and (b) irradiating the carbon nanotube film by a laser device with a power density thereof being greater than 0.1×104 W/m2, thus acquiring the transparent carbon nanotube film.

Abstract: A window film includes a polymer film, at least one carbon nanotube film, and a protective layer. The at least one carbon nanotube film is embedded in the polymer film. The protective layer is located on a surface of the polymer film. The at least one carbon nanotube film is located between the protective layer and the polymer film.

Abstract: A pultruded composite component includes a matrix material comprising a thermosetting polyurethane resin, and fibers provided within the resin matrix. All of the fibers within the resin matrix are oriented in substantially a single direction and the matrix material has an elongation-to-failure that exceeds that of the fibers.

Abstract: An electrostrictive composite includes a flexible polymer matrix and a carbon nanotube film structure. The carbon nanotube film structure is located on a surface of the flexible polymer matrix, and at least partly embedded into the flexible polymer matrix through the first surface. The carbon nanotube film structure includes a plurality of carbon nanotubes combined by van der Waals attractive force therebetween.

Abstract: 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.

Abstract: A composite spacer operable to be mounted on a first component is disclosed herein, wherein compression loads associated with attaching the first component to some other structure are born by the composite spacer to limit compressive deformation of the first component. The composite spacer includes a first body formed of resin and defining an aperture extending along an axis. The composite spacer also includes a plurality of first fibers positioned in the first body about the aperture. Each of the first fibers extends substantially parallel to the axis and increases a compressive strength of the first body relative to the axial direction.

Abstract: A composite material structure includes a first fiber layer, a second fiber layer, a resin layer between the first fiber layer and the second fiber layer and a plurality of chopped fibers provided in the resin layer.

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 invention relates to a film, in particular for an adhesive tape, characterized in that the film contains at least one homopolymer, copolymer, or terpolymer of the propylene and fibers and is monoaxially stretched in the longitudinal direction, wherein the elongation ratio is preferably at least 1:8 and particularly preferably at least 1:9.5.

Abstract: A hoisting device rope has a width larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material, said composite material comprising non-metallic reinforcing fibers, which include carbon fiber or glass fiber, in a polymer matrix. An elevator includes a drive sheave, an elevator car and a rope system for moving the elevator car by means of the drive sheave. The rope system includes at least one rope that has a width that is larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material. The composite material includes reinforcing fibers in a polymer matrix.

Abstract: A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a hydrosilylation-curable silicone composition comprising a silicone resin and a photoactivated hydrosilylation catalyst; and exposing the impregnated fiber reinforcement to radiation having a wavelength of from 150 to 800 nm at a dosage sufficient to cure the silicone resin; wherein the reinforced silicone resin film comprises from 10 to 99% (w/w) of the cured silicone resin and the film has a thickness of from 15 to 500 ?m; and a reinforced silicone resin film prepared according to the method.

Abstract: 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.

Abstract: A carbon nanotubes (CNTs)-containing resin composite comprised of a synthetic resin-impregnated aligned CNTs aggregate to have a specific surface area of at least 600 m2/g. Its production method comprises a step of laying down an aligned CNTs aggregate having grown perpendicularly from a substrate, a step of impregnating the laid-down aligned CNTs aggregate with a resin, and a step of shaping the resin-impregnated aligned CNTs aggregate into a sheet. Accordingly, there are provided a CNTs-containing resin composite having a high CNT content and a high degree of alignment and having a desired shape capable of fully taking the advantages of anisotropy intrinsic to CNTs, and a production method capable of producing it with ease.

Abstract: According to the present invention, a fiber-reinforced thermoplastic resin molded article in which monofilamentous carbon fibers are contained in a thermoplastic resin in a high content, such fibers having long fiber lengths and being randomly arranged, is provided. Also, a molding material comprising monofilamentous carbon fibers and monofilamentous thermoplastic resin fibers, in which the carbon fibers are contained in a high content, such fibers having long fiber lengths and being randomly arranged, is provided. In addition, a method for producing a fiber-reinforced thermoplastic resin molded article, comprising molding the molding material by compression molding, is provided.

Abstract: A strand lumber or board product based on eucalypt species and an iso-cyanate binder such as PMDI.

Abstract: Composite structural members and methods for forming the same are disclosed. In one disclosed embodiment, a composite structural member includes a central structural portion comprised of a reinforced, polymer-based material and having a length, a first side and an opposing second side extending along the length. A first reinforcement member fixedly coupled to the first side and a second reinforcement member fixedly coupled to the second side.

Abstract: Disclosed are a nano-composite composition and a method of making such a composite that is composed of a matrix material and dispersed reinforcement nano-scaled graphene plates (NGPs) that are substantially aligned along at least one specified direction or axis. The method comprises: (a) providing a mixture of nano-scaled graphene plates (NGPs) and a matrix material in a fluent state; (b) extruding the mixture to form a filament wherein NGPs are aligned along a filament axis; (c) aligning a plurality of segments of the filament in a first direction, or moving the filament back and forth along a first direction and its opposite direction, to form a NGP-matrix filament preform; and (d) consolidating the preform to form the nanocomposite material. Also disclosed is a method of making a nano-composite fiber.

Abstract: To provide a carbon fiber reinforcement having excellent thermal conductivity and mechanical properties which is manufactured by mixing together two different types of pitch-based carbon short fibers having a ratio of the degree of filament diameter distribution to average fiber diameter of 0.05 to 0.2 and a fiber length of 20 to 6,000 ?m which differ from each other in average fiber diameter or by mixing one of them with a pitch-based carbon fiber web to improve dispersibility into a matrix resin or increase the dispersion ratio of the pitch-based carbon short fibers.

Abstract: A carbon fiber composite material compact contains less of expensive carbon fibers, and the compact can therefore be used for general purposes which do not require highly superior physical properties. The carbon fiber composite material compact is produced by staking a first carbon fiber layer, a core layer, a second carbon fiber layer so as to form a laminate, and then compacting the laminate while impregnating an impregnable resin therein.

Abstract: The present invention is directed to an electronically conductive article comprising at least one conductive carbon nanotube layer in contact with at least one conductive layer comprising electronically conductive polymer.

Abstract: A stack of 50 layers of a first pitch-base carbon fiber sheet is formed, two sets of stack each having two second pitch-base carbon fiber sheets stacked therein are fabricated. At this time, the second carbon fiber sheets have a thermal expansion coefficient larger than that of the first carbon fiber sheet. Next, the stack of the first carbon fiber sheet is then held between two sets of stack of the second carbon fiber sheets. The stack of the first and second carbon fiber sheets are then impregnated with an epoxy-base resin composition and the resin is solidified. As a result a prepreg composed of the first and second carbon fiber sheets and the resin component composed of the epoxy-base resin composition is obtained. Thereafter, interconnections and the like are then formed on the prepreg, to thereby complete a multilevel interconnection board.

Abstract: The present invention relates to sliding parts, precision parts and timepieces and electronic equipment using those parts. Sliding parts are composed by a resin in which the degree of orientation of a fibrous filler is higher at the portion serving as the sliding surface than inside the sliding part, and the fibrous filler is oriented along the sliding surface on the sliding surface. Alternatively, precision parts are composed by a resin to which has been added carbon fibers for which a carbon compound is thermally decomposed to carbon in the vapor phase and simultaneously grown directly into fibers simultaneous to this thermal decomposition. Moreover, timepieces and electronic equipment are composed by these sliding parts or these precision parts.

Abstract: An article such as a fan blade of a turbofan engine comprises a core made up of components at least some of which comprise packs of rods embedded in a resin matrix material. The rods extend in the span-wise direction of the blade to resist centrifugal forces imposed on the blade during operation. The core is encased in a skin-formed from preforms which may comprise fabric reinforcements.

Abstract: The present invention relates to a high melt flow thermoplastic resin filled with long fibers, such as long glass fibers, stainless steel fibers, carbon fibers, aramid fibers, or other like fibers, and having high melt flow properties. The high melt flow properties of the thermoplastic resin contribute to its ease of production, allowing for the production of long fiber-reinforced thermoplastic compositions having good dispersion and wet-out in the pellet and molded article, and characterized by low levels of loose fiber in the pellet and/or compound. Although any concentration of fibers may be present in the fiber-reinforced thermoplastic composition, the high melt flow thermoplastic resins are especially suitable for high concentrate long glass fiber-reinforced thermoplastic compositions.

Abstract: A method for producing a fiber-reinforced composite material plate by heating and pressurizing a prepreg for a molding time of 15 minutes or less, at a molding temperature of at least 120° C. and a molding pressure of at least 10 kg/cm2. The prepreg is prepared from a reinforcing fiber and an epoxy resin composition. The epoxy resin composition features: an epoxy resin; an amine compound having at least one sulfur atom in the molecule thereof and/or a reaction product of the epoxy resin and the amine compound having at least one sulfur atom in the molecule thereof; a urea compound; and a dicyandiamide. The contents of the sulfur atom and the urea compound in the epoxy resin composition are respectively 0.2 to 7% by mass and 1 to 15% by mass.