Abstract: A sheetlike semifinished product comprising a matrix having at least one latent reactive plastics composition which is curable to afford an elastomer, in particular a thermoplastic elastomer, and fibers embedded in the matrix. A process for producing sheetlike semifinished products is further disclosed.

Abstract: Provided are an adhesive application device and method used in the production of a laminated core, wherein the device and method are capable of stably applying an adhesive to a thin steel strip regardless of the transfer speed of the thin steel strip that is to be punched, and contribute to the improvement of the productivity of a laminated core.

Abstract: A ballistic-resistant laminate assembly having a pair of films with an array of stacked pairs of first and second of unidirectionally-oriented bundles of high strength filaments therebetween, with the stacked filament bundles being arranged substantially interlinear with adjacent unidirectionally-oriented adhesions between the pair of films. The adhesions form continuous tubular sleeves between the pair of films with the stacked bundles of high strength filaments being substantially free floating yet contained therein. Optionally, the high strength filaments are coated or soaked in a liquid-to-solid phase change material or PCM.

Abstract: Known textile flat structures contain precious metal wire or they are composed completely thereof. In order to achieve high flexural and tensile strength, at the same time with high flexibility of the flat structure, the precious metal wire is configured as a precious metal cord having a plurality of cords or a plurality of individual precious metal wires or a combination of cords and individual precious metal wires, which are in each case laid around one another and/or twisted around one another.

Abstract: A multi-layer, fluid transmissive structure is provided that comprises first and second fiber layers each comprising a plurality of polymeric fibers bonded to each other at spaced apart contact points. The polymeric fibers of these fiber layers have diameters greater than one micron and collectively define interconnected interstitial spaces providing tortuous fluid flow paths through the first and second fiber layers. The structure also comprises a plurality of nanofibers disposed intermediate at least a portion of the first fiber layer and at least a portion of the second fiber layer.

Abstract: The present invention relates to a method for producing an aramid core wire, containing a step of covering or impregnating an original yarn of an aramid core with a first treating agent containing a condensate of resorcin and formaldehyde, a latex and a water-soluble epoxy compound; an aramid core wire produced by the method; a transmission belt containing the aramid core wire; a method for producing the transmission belt; and a treating agent.

Abstract: Disclosed herein is a core made of a glass material so as to be capable of preventing generation of warpage in a printed circuit board due to a difference in a coefficient of thermal expansion at the time of manufacturing the printed circuit board. The core includes: an organic cloth; and a glass having the organic cloth formed therein. The core is manufactured in a form in which rigidity thereof is increased by impregnating the organic cloth having a negative coefficient of thermal expansion is impregnated in a liquid-phase glass, thereby making it possible to effectively prevent generation of warpage in the printed circuit board due to the difference in a coefficient of thermal expansion.

Abstract: A bellows is provided as part of a crossway between two vehicles connected to each other in an articulated manner or as a telescopic gangway, with a material web which is provided with a layer of synthetic material. The material web has a top (upper) side made of a textile and a bottom (under) side made of textile (11, 12). The spacer fibers/pile threads (13) are provided between the top side and the bottom side, such that a space between the top side and bottom side results when the material web is in a non-loaded condition.

Abstract: A method and an article of manufacture are disclosed for reinforcing various structures with only partially accessible circumference, such as columns closely adjacent to or protruding out of a wall or beams holding a ceiling. Some of these structures may be partly or completely submerged in water, such as retaining walls on the sides of rivers and water-ways. In some embodiments a prefabricated shell will fully or partly cover the exposed and reachable part of the structure and will be secured in place by various means. The shell may hug the structure tightly or loosely and the space between the shell and the structure may be filled with such curable materials as glue, epoxy, grout, concrete and the like. In various embodiments additional reinforcement such as rebar may be placed in the space between the shell and the structure.

Abstract: A method is described for reducing the afterflame of a flammable, meltable material. A textile composite is described comprising an outer textile comprising a flammable, meltable material, and a heat reactive material comprising a polymer resin-expandable graphite mixture.

Abstract: In dispersing a fine carbon fiber in a thermosetting resin, the invention disperses and disentangles the fine carbon fiber being aggregates form in the thermosetting resin solution, maintains the stable dispersed state, lowers the viscosity of the thermosetting resin solution in which the fine carbon fiber is dispersed, and provides a thermosetting resin formed article containing the fine carbon fiber by curing the fine carbon fiber dispersion solution and a production method thereof. The thermosetting resin-containing solution in which a fine carbon fiber is dispersed, comprises a thermosetting resin, the fine carbon fiber and a viscosity-decreasing agent for fine carbon fiber having a chemical structure represented by the following general formula (1), wherein R1 to R7 are hydrogen atoms or the like, R5 and R6 may be bonded together to form a ring, and all of them have not more than 30 carbon atoms.

Abstract: The invention relates to prepregs coloured with pigment or dye preparations and based on a storage-stable reactive or highly reactive polyurethane composition.

Abstract: A fabric that contains a blend of textile and polyarylene sulfide fibers is provided. At least a portion of the textile fibers, polyarylene sulfide fibers, or a combination thereof are coated with an emulsion copolymer that is crosslinked. The copolymer composition is cured after it is applied to the fibers to initiate the formation of crosslink bonds between the emulsion copolymer and create a three-dimensional network that is capable of coating and encapsulating the fibers. It is believed that this three-dimensional network is able to physically entrap disperse additives when applied to the fibers. Still further, the present inventors have discovered that the emulsion copolymer can uniformly coat the fibers and thus readily receive the additive, which eliminates the need for high temperatures and/or pressures during a dyeing process, for example, and can also result in a relatively uniform coating of the additive on the fibers.

Abstract: A method is described for reducing the afterflame of a flammable, meltable material. A textile composite is described comprising an outer textile comprising a flammable, meltable material, and a heat reactive material comprising a polymer resin-expandable graphite mixture.

Abstract: The invention relates to a method for producing storage-stable polyurethane prepregs and moldings produced therefrom and moldings produced therefrom (composite components), which can be obtained by a direct melt impregnation method of woven fabrics and laid scrim using reactive polyurethane compositions.

Abstract: A coating composition resistant to heat, flame and molten metal when applied as coating to a substrate. The composition includes an elastomeric binder and a particulate filler dispersed in the binder. The filler comprises particles of high aspect ratio in two dimensions relative to a third that co-operate when in a coating to provide a barrier within the binder. Also disclosed are an assembly comprising a substrate with a coating thereon, a fabric assembly resistant to spills and splashes of molten metal and a flame resistant building product.

Abstract: The present invention relates to the field of overmolded polyamide composites structures and processes for their preparation. The disclosed overmolded composite structures comprise a first component having a surface, which surface has at least a portion made of a surface polyamide resin composition, and having a fibrous material impregnated with a matrix resin composition, and comprise a second component comprising an overmolding resin composition. The second component is adhered to the first component over at least a portion of the surface of said first component. One of the overmolding resin composition and the surface polyamide resin composition is made of a polyamide composition comprising a blend of one or more semi-aromatic polyamides (A) and one or more fully aliphatic polyamides (B) and the other of the overmolding resin composition and the surface polyamide resin composition is made of one or more polyamides.

Abstract: A method for spinning and washing aramid fiber and for recovering sulfuric acid by (a) spinning an aramid polymer from a sulfuric acid spin dope to a yarn and coagulating the yarn in a coagulation bath having an inlet for water or diluted sulfuric acid and an outlet for sulfuric acid enriched water; (b) washing the yarn with water to obtain a washed yarn and a washing water containing sulfuric acid; (c) recycling the sulfuric acid enriched water and optionally the washing water to a sulfuric acid recovery unit; (d) increasing the sulfuric acid content of the recycled sulfuric acid enriched water, and optionally the washing water, by evaporation to obtain 20 to 98% sulfuric acid and water; (e) mixing the 20 to 98% sulfuric acid with oleum to obtain 98-105% sulfuric acid; and (f) recycling the 98-105% sulfuric acid to the spinning unit for use as sulfuric acid spin dope.

Abstract: The invention relates to composite structures having surface, which surface has at least a portion made of a composition comprising one or more polyamides having an excess of amine end groups such that the ratio of the amine end groups to the acid end groups is at least 1.5:1.0.

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: The present invention relates to a composite article and to a process for manufacturing the composite article. The composite article comprises multiple layers including high tenacity fibers incorporated into a fabric and a core thermoplastic resin. The fabric may be coated with a surface treatment agent, a polymer matrix resin. Single or multiple layers of the composite articles may be formed into a composite part having high strength, rigidity, fast molding cycle time and extremely good conformability in a 3-dimensional mold. The composite parts formed by this process have high part strength in all directions.

Abstract: The invention relates to a novel binder system and its use for bonding textile fabrics as well as products containing such bonded textile fabrics. The materials according to the invention are suitable for manufacturing base interlinings which may be used for manufacturing base interlinings for sarking, roofing and sealing membranes, particularly for manufacturing coated sarking, roofing and sealing membranes.

Abstract: A penetration resistant article with an area density less than 1.5 lb/ft2 made of a plurality of fibrous fabric layers that have applied thereto about 1 to 8 percent by weight of a polymer having a glass transition temperature in the range of minus 40 to about 0° C. and a zero shear melt viscosity 2×106 to about 1013 poise at 20° C.

Abstract: Ballistic resistant articles having excellent resistance to deterioration due to liquid exposure. More particularly, a ballistic resistant structures and articles formed from a hybrid of woven and non-woven fibrous components that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The hybrid structures are particularly useful for the formation of or for use in conjunction with soft, flexible body armor.

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 selectively permeable protective structure and a method for limiting damage to the article due to corrosion or mold growth, comprising wrapping or covering the article in the selectively permeable protective structure. The selectively permeable structure comprises a membrane having a moisture vapor permeation value of at least 200 g-mil/m2/24 h and barrier to liquid water, and optionally a supporting substrate.

Abstract: An industrial fabric having a composite layer, the composite layer having a non-woven mesh layer structure and a yarn layer structure being parallel to the non-woven mesh layer structure. The yarn layer structure has first and second yarns, with the first yarns being connected to the second yarns to form a mesh like structure, and the yarn layer structure being embedded into the non-woven mesh layer structure.

Abstract: A process to coat a shear thickening fluid onto a material which comprises emulsifying dispersions of a shear thickening fluid (STF) dissolved in a miscible carrier fluid or a partially miscible carrier fluid to form an emulsion and applying said emulsion to the material. The invention also relates to a suspoemulsion containing a shear thickening fluid which has been emulsified in a volatile solvent. The invention further relates to a method coating a material. The invention further relates to a method of a coating a material with the suspoemulsion.

Abstract: Flexible ballistic resistant composite material that has improved resistance to pick-up of water and other liquids, the composite material comprising a plurality of non-woven fibrous layers. The fibrous layers are formed from a network of high tenacity fibers (aramid fibers, extended chain polyethylene fibers and/or rigid rod fibers). The fibers are embedded in a matrix of a thermoplastic polyurethane resin. Preferably, at least two adjacent fiber layers are oriented in a cross-ply arrangement with respect to each other. Flexible armor, such as body vests, are provided which are formed at least in part from the flexible composite material.

Abstract: This invention is directed to a folded tessellated core structure having a high compression modulus. The core structure comprises a nonwoven sheet and a cured resin in an amount such that the weight of cured resin as a percentage of combined weight of cured resin and nonwoven sheet is at least 50 percent, The nonwoven sheet further comprises fibers having a modulus of at least 200 grams per denier (180 grams per dtex) and a tenacity of at least 10 grams per denier (9 grams per dtex) wherein, prior to impregnating with the resin, the nonwoven sheet has an apparent density calculated from the equation Dp=K×((dr×(100?% r)% r)/(1+dr/ds×(100?% r)% r), where Dp is the apparent density of the sheet before impregnation, dr is the density of cured resin, ds is the density of solid material in the sheet before impregnation, % r is the cured resin content in the final core structure in weight %, K is a number with a value from 1.0 to 1.

Abstract: Fabric laminates having superior resistance to penetration of fragments, such as shrapnel. The fabrics are formed of high-strength fibers consolidated with from about 7% to about 15% by weight of an elastomeric matrix composition, and in combination with protective layers of a polymer film on each surface of the fabric. The fabrics achieve a significant improvement in fragment resistance compared to fabrics of the prior art, while also maintaining excellent ballistic resistant properties.

Abstract: Flexible composites which are ballistic and stab resistant. The composites are formed from at least one, and preferably a plurality of, fibrous layer comprising a network of high tenacity fibers. A stack of a plurality of fibrous layers is consolidated in a desired pattern over a substantial portion of its surface area which results in areas which are consolidated and areas that are unconsolidated. The unconsolidated areas provide flexibility to the overall composite structure and the structure is resistant to ballistic projectiles and/or sharp objects. Body armor formed from the composites is comfortable to wear and reduces the degree of trauma to the wearer as a result of impact by the ballistic projectile or sharp object.

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: Fabric impregnated with polysiloxane. The fabric may be leather, synthetic leather or suede. Alternatively the fabric may be made from aramid or oxidized polyacrylic/nitride fibers. One method of making this fabric is to mix liquid silicone rubber; impregnate the fabric with the liquid chemical; and heat the fabric at 120-200° C. for 10-150 seconds. Another method of making the fabric is to mix liquid silicone rubber or a mixture of liquid silicone rubber and catalyzed polyurethane with fibers and heat the mixture at 120-200° C. for 10-150 seconds. Fibers may be polyester microfibers, nylon microfibers, suede, aramid, oxidized polyacrylic/nitride, and mixtures of these fibers.

Abstract: Ballistic resistant fabric laminates are provided. More particularly, reinforced, delamination resistant, ballistic resistant composites are provided. The delamination resistant, ballistic resistant materials and articles may be reinforced by various techniques, including stitching one or more ballistic resistant panels with a high strength thread, melting the edges of a ballistic resistant panel to reinforce areas that may have been frayed during standard trimming procedures, wrapping one or more panels with one or more woven or non-woven fibrous wraps, and combinations of these techniques. The delamination resistant, ballistic resistant panels may further include at least one rigid plate attached thereto for improving ballistic resistance performance.

Abstract: The invention provides a composite textile or material comprising a substrate of high strength fibers, and having a natural or synthetic diamond coating bonded thereto. Preferably, the textile is a high strength fabric including or made from aramide fibers, and the natural or synthetic coating is applied by a process such as plasma or flame spraying, chemical vapor deposition, sintering, or fast pulse laser deposition. The textile or fabric can preferably be used to make or reinforce protective clothing including vests, hats, helmets, jackets, pants, shoes or boots, coats, blankets, rugs, curtains, and the like. The textile or fabric may also include an iodine or iodine containing coating, to absorb radioactive radiation, and to kill airborne pathogens, including bacteria and viruses.

Abstract: This invention relates to a thin reinforced nonwoven fabric having ridges and grooves for fire blocking an article and articles containing such fabrics. When exposed to heat or flame, the fabric is capable of increasing to a thickness that is at least 1.5 times its original thickness. The fabric comprises an open mesh scrim having a having crimped, heat-resistant organic fibers compressed thereon and held in a compressed state by a thermoplastic binder, on which is imparted a ridge and groove structure. When subjected to high heat or flame, the binder in the structure softens, releasing the restrained crimped fibers and any ridges and grooves and allowing the thickness of the fabric to increase.

Abstract: This invention relates to a thin reinforced nonwoven fabric for fire blocking an article, articles containing such fabrics, and methods for making the fabrics and fire blocking the articles. When exposed to heat or flame, the fabric is capable of increasing its thickness by at least three times. The fabric comprises an open mesh scrim having a having crimped, heat-resistant organic fibers compressed thereon and held in a compressed state by a thermoplastic binder. When subjected to high heat or flame, the binder in the structure softens and flows, releasing the restrained crimped fibers and allowing the thickness of the fabric to increase dramatically.

Abstract: This invention relates to a thin reinforced nonwoven fabric comprising a liquid impervious polymeric layer, a compressed web of crimped fiber, a binder, and a reinforcing scrim. The fabric bulks when exposed to heat or flame and is useful as a component for fire blocking mattresses, upholstery, and the like.

Abstract: This invention relates to a blend of fibers for use in protective clothing, a lightweight fabric made from such blend, protective articles made from the blend or fabric, and methods for making the fabric. The protective fabrics and articles of this invention have the unique combination of being comfortable, being highly effective against electrical arcs and flash fire hazards and having a pleasing appearance. Specifically, these fabrics can be processed to give the look and feel similar to conventional clothing fabrics such as denim fabrics.

Abstract: This invention provides multi-layered composites, laminates and composite joints in which at least one resin-impregnated, fiber-containing layer is joined or laminated to a core layer having a lower flexural modulus or higher elongation at break, higher toughness, or a combination of all or some of these properties. The multi-layer composite produced by laminating or joining these materials together has improved shearout, impact and cutting resistance, since stresses caused by outside forces can be more widely distributed throughout the composite.

Abstract: An abrasion resistant and water resistant fabric is disclosed. The fabric is particularly well suited for use in constructing luggage. The fabric, however, is also well suited for many other applications, such as use in constructing sportswear, outdoor apparel, military apparel, and the like. The fabric is treated with a chemical composition. It has been discovered that the chemical composition greatly enhances the abrasion resistance of the fabric. In one embodiment, the fabric is made from nylon multifilament yarns.

Abstract: A vibration absorbing material preferably includes a first elastomeric layer of vibration absorbing material which is substantially free of voids therein. A second elastomeric layer includes an aramid material therein and is disposed on the first elastomeric layer. The amramid material distributes vibration to facilitate vibration dampening. A third elastomeric layer is disposed on the second elastomeric layer.

Abstract: Disclosed are fiber reinforced composite substrates comprising a polymeric matrix and one or more woven or non-woven para-aramid or fiberglass fabrics, sheets, or papers, said polymeric matrix consisting essentially of one or more cross-linked copolymers of monovinyl aromatic hydrocarbons and conjugated dienes useful for printed circuit boards and cards suitable for use in high frequency circuits.

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: A method for manufacturing a printed wiring board, comprising the step of forming a hole by an energy beam such as a laser beam, wherein formation of a resin film by a substrate-material resin oozing to the inner-wall surface of a hole is prevented, by lowering the water-absorption percentage of a substrate material through the dehumidifying step as the preprocess of the hole-forming step for forming a through-hole or non-through-hole for interconnecting circuits formed on both sides or in multiple layers, thereby it is possible to realize high-quality hole-formation by preventing a defective resin film formation and obtain a high-reliability printed wiring board.

Abstract: A vibration absorbing padding including a padding body formed by a multi-layer material. The material preferably includes a first elastomeric layer of vibration absorbing material which is substantially free of voids therein. A second elastomeric layer includes an aramid material therein and is disposed on the first elastomeric layer. The amramid material distributes vibration to facilitate vibration dampening. A third elastomeric layer is disposed on the second elastomeric layer.

Abstract: A lightweight ballistic resistant rigid structural panel especially for use in aircraft interiors is disclosed. The rigid structural panel is made up of a core layer including a plurality of sheets of flexible, high-tensile strength fabric interleaved with a plurality of sheets of a thermal-fusible film adhesive, and a sheet of cushioning material adhered to the plurality of sheets of flexible, high-tensile strength fabric. Fiber-reinforced face skins are adhered to exterior surfaces of the panel core for structural strength and rigidity. The rigid structural panel is capable of resisting ballistic attack from handguns and like weapons, while maintaining a high degree of strength and rigidity.

Abstract: An abrasion resistant and water resistant fabric is disclosed. The fabric is particularly well suited for use in constructing luggage. The fabric, however, is also well suited for many other applications, such as use in constructing sportswear, outdoor apparel, military apparel, and the like. The fabric is treated with a chemical composition. It has been discovered that the chemical composition greatly enhances the abrasion resistance of the fabric. In one embodiment, the fabric is made from nylon multifilament yarns.

Abstract: A floor cleaning wipe comprising a water insoluble substrate which is impregnated with a floor cleaning composition.