Abstract: High tenacity reinforcing fiber, selected from the group consisting of polyester, aliphatic polyamide, aramid, and combinations thereof, is treated with a finish composition comprising (a) an aqueous solution of carboxyl-terminated, oil-free alkyd resin which is the reaction product of at least one aliphatic glycol containing 2 to 12 carbons with a combination of aromatic di- and trifunctional carboxylic acid and, optionally, unsaturated aliphatic acids, said alkyd resin polymerized below its gel point, and (b) an aqueous emulsion of oxidized polyethylene, said oxidized polyethylene being present in the finish composition in an amount sufficient to provide enhanced anti-blocking properties for the treated fiber.

Abstract: Fiber reinforced thermoplastic articles having an improved surface are produced in a stampable sheet which is produced from a reinforcing fiber mat having a thermoplastic support film.

Abstract: A light-weight multi-layer insulating enclosure comprised of four different layers of materials to provide maximum insulation for containers ranging from relatively rigid to relatively flexible construction. The improved insulating qualities of the present invention are achieved through the use of an inner-most fabric liner layer, a second inner-most insulating layer which includes a polymeric foam, a third inner-most metalized polymer film reflective layer, and an outer-most fabric mesh layer. The enclosure is light-weight, collapsible and removable.

Abstract: A container having flexible walls. One or more layers of a high-strength load-carrying member are provided, with the member including meandering, aromatic, polyamide cords, with a cover material having a relatively slight adhesion to the cord. Where several layers of load-carrying members are provided, the meandering cords are angularly shifted so that the cords of one layer cross the cords of another layer.

Abstract: A high temperature PVC resin blend is made by blending from 60 to 85 parts PVC with no more than 40 parts of a ("alpha-SAN") copolymer of alpha-methyl styrene ("AMS"), styrene ("S") and acrylonitrile ("AN") and less than 20 parts by wt additives including stabilizers, antioxidants, lubricants, and processing aids. In addition, an impact modifier may be added. The blend with particularly sized glass fibers, may be thermoformed at an elevated processing temperature and pressure, to provide a reinforced composite in which the PVC is covalently bonded to the glass fiber. The composite has a substantially higher HDT and equivalent tensile strength, compared to that of a similarly reinforced, unblended PVC composite, without sacrificing the novel composite's other desirable physical properties.

Abstract: A hollow fiber reinforced structure having irregular cross-sections, curvatures, joints and twists is provided. A method of forming the structure includes placing fibrous material on the walls of an outer mold and placing a bladder internal to the fibrous material, which serves as an inner mold. When the mold is closed and the bladder expanded, resin is injected into the fibrous material. After curing, the solid reinforced structure is formed.

Abstract: A method for internally lining ducts and sleeves for ducts lined in accordance with this method are provided. The inner lining sleeve is formed in the duct by the action of a uniform pressure on the inner face of a second sleeve in a form of a sheet made from a sealed synthetic material whose outer face is provided with fibers. This pressure acts so as to enlarge the section of this sleeve by plastic deformation of said sheet and to apply the sleeve against the inner face of a first sleeve made from a composite material permeable over the whole of its thickness and coated with a heat hardenable resin. The section of said first sleeve enlarges without the composite material undergoing elastic or plastic deformation. The two joined sleeves continue to enlarge their sections until the outer face of the first sleeve is applied firmly against the inner face of an envelope in the form of a sheet of sealed synthetic material.

Abstract: Elastomer structures having exposed controlled surface release characteristics can be made by coating at least a portion of their surface with a releasing composition comprising (a) a chlorosulphonated polymer; (b) a reinforcing filler and (c) a green tackifying agent. Optionally, these compositions can also contain a chemical curing system and one or more volatile solvent/diluent viscosity-reducing vehicle. In a specific example, the coating are applied to flexible structures used in machines for the manufacture of articles having natural tack due to their rubber or elastomer content.

Abstract: Temperature adaptable textile fibers are provided in which phase-change or plastic crystalline materials are filled within hollow fibers or impregnated upon non-hollow fibers. The fibers are produced by applying solutions or melts of the phase-change or plastic crystalline materials to the fibers. Cross-linked polyethylene glycol is especially effective as the phase change material, and, in addition to providing temperature adaptability, it imparts improved properties as to soil release, durable press, resistance to static charge, abrasion resistance, pilling resistance and water absorbency.

Abstract: There is disclosed a process and apparatus for melt blowing at an initial velocity of from 500 to 1000 feet per second a molten thermoplastic condensation polymer at a temperature less than 50.degree. C. above the melting point thereof to form fibers of high molecular orientation, and collecting the fibers to form a non-woven web. In one aspect of the present invention, the fibers are collected on a rotating mandrel and heat treated during collection or subsequent of collection.

Abstract: A circular woven fabric includes a woven tubular body having thermoplastic tapes secured thereto, and extrusion polymeric coatings fuse bonded to the tapes and the woven fabric. The extrusion coated circular woven fabric is particularly useful in intermediate bulk containers for carrying particulates.

Abstract: In a composite produced by hot pressing multilayer duroplastic prepregs of reinforcing materials impregnated with a duroplastic resin system, the improvement comprising at least one layer of an epoxy resin prepreg and at least one layer of a phenolic resin prepreg are pressed together, the composite having low fume density, increased non-flammability and good solvent and moisture resistance useful for production of structural components.

Abstract: A coating of a viscous lubricant applied prior to stretch-breaking permits forming slivers of stretch-broken carbon fibers. When an anti-static ingredient is added to the viscous lubricant cohesive slivers of stretch-broken glass fibers can be formed. Composites of matrix resin reinforced with these slivers exhibit high strength, tensile stiffness, and good formability.

Abstract: The invention concerns a novel composite product based on filament or fiber reinforcements, in particular in the woven or knit form, wound upon itself or in concentric layers.The object of the invention is a novel composite product characterized in that it comprises a reinforcement or fabric comprising at least one lap wound upon itself or a plurality of tubular laps placed concentrically, and reinforcing filaments or fibers inserted between at least some of the successive layers of the lap or laps, parallel to the axis of the wound or concentric structure and transverse to the latter, the entire assembly being molded into a bonding matrix.Possible applications are to obtain pieces of high mechanical strength.

Abstract: An interior material for cars comprising a web in which at least 3% by weight of a rayon fiber is contained, of which one side surface is impregnated with a binder and which has a 20% modulus of 1 to 15 kg/5 cm. width in both longitudinal direction and transverse direction, a base material laminated on the binder-impregnated surface of the web and a resin print laminated on the other side surface of the web. The interior material can be easily subjected to molding such as deep drawing since no space is generated between a base sheet and a non-woven fabric. Further, since the interior material has an excellent flame resistance, it can be suitably used as an interior material such as a ceiling material, a door trim board or a pillar garnish material.

Abstract: A porous thermoformable heat sealable nonwoven fabric that is constructed by carding a bicomponent polymeric fiber and then heating the resulting fibrous web to cause bonding. The polymeric components of the bicomponent fiber have crystalline melting points that differ by at least 30.degree. C. The bicomponent fiber has a staple length ranging from 1.5" to 3.0" and a staple elongation-to-break of at least 30%.

Abstract: A thermal insulation is formed by simultaneously spraying ceramic fibers and a binder at a surface to be covered. An aqueous binder is prepared prior to application to the fiber during the spraying operation. The binder includes an organic component which provides necessary wet and green adhesion to the substrate surface and wet and green cohesion to the newly formed lining prior to firing of the sprayed-on layer. The binder also includes an inorganic component which functions at and after exposure to a high temperature to secure the ceramic fibers to the substrate and to one another. Drying and firing of the layer develops strength in the inorganic binder. Known ceramic fibers such as alumina-silica amorphous fibers, alumina-silica-zirconia fibers, polycrystalline mullite fibers, alumina fibers, mineral fibers, or combinations thereof, and the like may be employed. The fiber may be precoated with the organic binder.

Abstract: A flexible low-adhesion carrier web has a coating in the form of graphics including a matrix resin, a binder resin, and a light-altering agent such as a pigment. When the coating in wet with a transfer fluid such as mineral spirits, this activates the binder resin to permit the graphics to be transferred to a display surface such as a glass window.

Abstract: Weftless and single wire tire bead assemblies are disclosed where at least one of the termination ends of the weftless layer or of the single wire bead are mechanically deformed or heat treated. Tire bead assemblies are disclosed where a cushion or wedge means is positioned either between the termination end and the body of the bead assemblies are positioned adjacent the termination ends and the body of the bead assembly.

Abstract: Agglomerates of acrylic fibers with improved dispersability in viscous organic or inorganic matrices constituted by at least 10 fibers bonded to each other, and wherein each fiber has a diameter shorter than 50 microns and a length higher than 3 mm.

Abstract: A woven tubular vascular prosthesis having alternating plain/twill weave and two pairs of double leno weave of texturized synthetic fiber of 64 denier/144 filament has sufficiently low porosity that preclotting is unnecessary to avoid hemorrhaging and unravelling is prevented even where the graft is cut at an oblique angle.

Abstract: A two-component staple fiber finish is disclosed which renders polyester staple fiber having low to normal modulus and tenacity-at-break fit for "100%" open end spinning. A synthetic fiber having from about 0.08 to about 0.15 weight percent, based on the total weight of the fiber, of a primary finish comprising(a) from 25 to 85 weight percent of at least one alkyl phosphate ester salt, and(b) from 15 to 75 weight percent of a second component selected from the group consisting of quaternary trialkyl ethyl ammonium ethosulfate salts and the reaction products of polyoxyethylene ethers and C.sub.8 -C.sub.22 fatty acids is claimed.The use of a secondary lubricant to enhance the carding and drawing characteristics of the staple fiber is also disclosed.

Abstract: Pultruded marking devices (29,42,45,48,50,55,57,58) made of fiber reinforcement materials (10,14,16,17) embedded in a cured polyester resin matrix that contains about 2% to 25% by weight of cellulose solid particulates. Unidirectional reinforcement materials (10) are the major portion of the reinforcement materials and form about 30% to 60% by weight of the total weight of the marking devices.

Abstract: Oxide-coated whiskers suitable for consolidation into or incorporation within a whisker-reinforced composite ceramic article are provided by dispersing inorganic whiskers in a colloidal oxide sol, separating the dispersion into fine droplets, and drying the droplets to provide a solid particulate product comprising the coated whiskers. The continuous oxide coating on the whiskers provides protection and aids in composite consolidation.

Abstract: A method of manufacturing fiber reinforced silicone elastomer hoses and the hoses (25) resulting from the method are disclosed. The method comprises the step of extruding an unreinforced silicone elastomer inner tube (13) containing two vulcanizing agents having different activation temperatures. The extruded inner tube (13) is partially cured by heating the tube to the activation temperature of the lower temperature vulcanizing agent. The partially cured inner tube (13) is mounted on a mandrel (19) and wrapped with a fabric reinforced, calendered sheet (21) of uncured silicone elastomer containing a vulcanizing agent. External pressure is applied to the wrapped tube while the wrapped tube is heated to activate the second vulcanizing agent of the inner tube (13) and the vulcanizing agent of the wrapping sheet (21).

Abstract: Containers for foods, juices and beverages containing essential oils or flavorings are comprised of a laminate structrue in which the inner surface of the container, in contact with the foods, juices or beverage, is a halopolymer, such as a vinylidene chloride polymer, which functions as a barrier layer to substantially restrict the passage or migration of the essential oils or flavorings.

Abstract: A fabric containing a cellulosic fiber and a polyester fiber having a carbonization burning mechanism, superior in flame-proofness and having a soft touch. The fabric contains a halogen- and/or phosphorus-based flame-proofing agent, and preferably also contains an amino resin.

Abstract: Composites are made from cellulose fibers dispersed in a matrix of polyethylene and an isocyanate and bonded thereto during subsequent extrusion and or molding. The isocyanate improves adhesion between the cellulose fibers and the polyethylene. The improved adhesion results in improved tensile properties in the composite.

Abstract: The invention concerns low density multichannel structures made of composites, processes and semifinished products for the manufacture thereof.A multichannel laminated resin structure according to the invention includes cellular fabric (1) defining a row of parallel ducts in each of which is inserted a fitted tubular extrusion (3). The semifinished product is placed between the external reinforcement layers (4, 5). The cellular fabric and reinforcement layers are embedded in a curable resin (6).One application is the manufacture of boat hulls or airframes for light aircraft, noncorrodible and very good mechanical properties.

Abstract: A wrap-around sleeve, for enclosing and protecting an object such as a wire bundle, comprises a plain weft-knitted sheet formed from a filament having an elastic modulus such that the sheet has a sufficiently high transverse curl force (which is the force with which the sheet tends to curl transversely) that the sleeve remains wrapped around the object without separate closure means. Preferably the elastic modulus of the filament is at least 4000 N.mm.sup.-2.

Abstract: A two-component settable liquid is mixed in a tube to start the setting of the liquid. A pair of electrical cables are separately fed through a retaining cap and a splice is made between the cables. The splice is inserted into the mixed settable liquid and the retaining cap is secured on the tube to hold the splice in the mixed settable liquid while the liquid sets to form a seal about the splice. Various structure is also shown to pressurize the contents of the tube to force the settable liquid into and around the splice.

Abstract: An electrically conductive fibrous material and a process for preparing the same from a thermally stabilized acrylic fibrous material are provided. The thermally stabilized acrylic fibrous material is first contacted with cuprous ions to produce a cuprous ion-impregnated fibrous material, and subsequently is subjected to a sulfiding agent capable of sulfiding cuprous ions, and preferably washed, to produce thermally stabilized acrylic fibrous material having covellite copper sulfide in association therewith. Also provided are electrically conductive composites and a process for preparing the same by incorporating the fibrous material prepared in accordance with the process within a substantially continuous polymeric matrix.

Abstract: A coating of a viscous lubricant applied prior to stretch-breaking permits forming slivers of stretch-broken carbon fibers. When an anti-static ingredient is added to the viscous lubricant cohesive slivers of stretch-broken glass fibers can be formed. Composites of matrix resin reinforced with these slivers exhibit high strength, tensile stiffness, and good formability.

Abstract: Textile yarns are treated with a sizing composition which, when dried and cured, remains durably bound to the yarn throughout wet finishing operations and subsequent use. The sizing composition comprises an aqueous self-crosslinking emulsion copolymer derived from at least one ethylenically unsaturated monomer and a latent-crosslinking monomer. The sizing composition may also include a water soluble or dispersible film forming polymer and a reactive resin. The durable size coating beneficially contributes to both the physical and the aesthetic properties of the yarn and fabrics formed therefrom.

Abstract: A method and apparatus for forming reinforcing fibers for composites. The fibers comprise bundles of non-crystalline glass or carbon fibers formed in a helix and cut to small lengths for inclusion in molded composites to render the composites substantially isotropic.

Abstract: A water absorbent fibrous product comprising a fibrous cellulosic material impregnated with a water absorbent acrylic polymer and a fibrous material, which is produced by a method in which an aqueous solution of a monomeric component comprising acrylic acid and a radical initiator is diffused in a fibrous cellulosic material and heated, followed by blending with a fibrous material. The fibrous product exhibits a high water absorbency, and finds applications as high-quality disposable diapers, sanitary napkins, surgical pads, surgical sheets, paper towels or the like.

Abstract: A fiber glass is provided for filling in a defect or hollow portion of bone. The fiber glass comprises calcium phosphate as a main ingredient and has a negative zeta potential. The calcium phosphate has a molar ratio of Ca/P of not less than 0.2 and less than 0.6 and the total content of CaO plus P.sub.2 O.sub.5 less than 80 wt %. The fiber glass is of long filament form or staple fiber form. The fiber glass of long filament form may be woven to form a woven filler.

Abstract: Disclosed is a novel process for preparing amidoalkanesulfonic acids of the general formula ##STR1## or derivatives thereof by reacting a nitrile compound (1) with a .beta.-hydroxyalkanesulfonic acid or a derivative thereof (2) in concentrated sulfuric acid.Among the compounds of the general formula (3) and derivatives thereof, unsaturated amido- and phenyl-substituted alkanesulfonic acids and derivatives thereof (in particular, 2-acrylamido-2-phenylpropanesulfonic acid and derivatives thereof) represented by the general formula ##STR2## can be copolymerized with other monomers and the like to provide useful materials such as copolymer-coated solid materials, copolymer emulsions, pigment dispersants and the like.

Abstract: A prepreg obtained by impregnating fibers with an epoxy resin composition by a hot melt method is described, wherein the epoxy resin composition comprises components (A), (B), and (C), wherein(A) is an epoxy resin(B) is a hardening agent composition containing a hydrazide type hardening agent for an epoxy resin, and having a melting point of not higher than 160.degree. C., and (B) further contains at least one compound selected from the group consisting of alcohols and phenols having a melting point of not less than 50.degree. C.,(C) is a urea compound represented by the formula ##STR1## wherein X and Y each represents H, Cl, or OCH.sub.3.

Abstract: A paper-like product composed of staple fibers oriented substantially in a certain specific direction is provided, wherein the orientation degree of the constituent staple fibers, expressed by the following formula: ##EQU1## is at least 50%. A prepreg is formed by impregnating the paper-like product with a matrix resin. Composite prepregs are formed by laminating a plurality of such prepregs or such a prepreg with a prepreg composed of continuous filaments, in a manner such that the orientation directions of fibers in the prepregs intersect one another. The paper-like product is prepared by scattering a liquid dispersion of staple fibers in the horizontal direction by a centrifugal force, and collecting the scattered staple fibers in the form of a web on a collecting surface continuously moving in the vertical direction.

Abstract: Water-dispersible synthetic fiber of cruciform cross-section to promote dispersibility, and so better uniformity, more opacity, good permeability and an attractive flannel-like hand to the resulting wet-laid fabrics.

Abstract: A condensation product of phenol, formaldehyde and urea condensed in the presence of a basic catalyst, said condensation product being a liquid and having a free phenol content below 0.5%, a free formaldehyde content below 3%, expressed by weight based on the total weight of liquid, and a dilutability, measured at 20.degree. C., of at least equal to 1000%.

Abstract: Water-dispersible synthetic fiber of scalloped-oval cross-section to promote dispersibility, and so better uniformity, softer feel and more opacity to the resulting wet-laid fabrics.

Abstract: The use of a bath containing the same antimicrobial agent as that previously incorporated in a fiber permits the antimicrobial concentration in the fiber to be controlled when the fiber is processed through liquid media such as dye baths and the like.

Abstract: Treated glass fibers having adequate protection for gathering into strands and when chopped being more dispersible in aqueous media. The treated glass fibers have a coating of an aqueous treating composition, wherein the solids have a cationic surfactant having one or more primary, secondary and/or tertiary amine moieties and one or more water dispersible, poly(oxyethylene-oxyalkylene) copolymer having an oxide ratio of about 78 to about 22 to about 99 to about 1 and an average molecular weight of at least 15,000, and one or more polar functional coupling agents. Optionally, the solids may also have one or more starches that are insoluble or only incompletely soluble in cold water. Glass fibers treated with the aqueous treating compositions and produced into wet or dry chopped glass fiber strands having lengths of about 1/16 of an inch (1.58 mm) to about 3 inches (76.2 mm), have good dispersibility in aqueous media with or without addition of dispersing agents.

Abstract: Fibers and filaments of synthetic polymers containing from 0.1 to 5%, by weight, based on polymer, of an azole compound corresponding to the following general formula: ##STR1## and from 0.1 to 5%, by weight, based on polymer, of a dihydroxydiphenylmethane derivative corresponding to the following general formula: ##STR2## wherein n represents 0 or 1;m represents 0, 1 or 2;R.sub.1 represents halogen, halophenyl or phenyl;R.sub.2 represents --CO--C(CH.sub.3).sub.3 or --CHOH--C(CH.sub.3).sub.3 ; andR.sub.3 and R.sub.4 represent halogen,show laundry-stable, antimicrobial activity.

Abstract: A condensation product of phenol, formaldehyde and urea condensed in the presence of a basic catalyst, said condensation product being a liquid and having a free phenol content below 0.5%, a free formaldehyde content below 3%, expressed by weight based on the total weight of liquid, and a dilutability, measured at 20.degree. C., of at least equal to 1000%.

Abstract: An absorbent web structure composed of a mixture of 5 to 50% by weight of short fibers of a thermoplastic resin rendered hydrophilic with a surface-active agent and 95 to 50% by weight of cellulosic fibers, said thermoplastic short fibers being melt-bonded to impart self-supporting property to the web structure; characterized in that(i) said thermoplastic short fibers are rendered hydrophilic by forming an aqueous slurry of the fibers containing a nonionic surface-active agent and then dehydrating the slurry, and(ii) said nonionic surface-active agent has (a) an HLB value of from 2 to 20 and (b) a melting point equal to, or higher than, the temperature of the slurry at the time of the dehydrating treatment described in (i) above.

Abstract: A method of providing a slip coating on aluminized glass fibre chaff is provided in which the chaff is treated by applying a boundary lubricant dispersed within an aqueous medium, the boundary lubricant containing free palmitic acid and ammonium palmitate. The aqueous medium forms a hydrated aluminum oxide on the surface of the chaff and promotes a reaction between the surface oxide and the palmitic acid to provide a chemically bonded surface slip coating layer of aluminum palmitate.

Abstract: The use of a bath containing the same antimicrobial agent as that previously incorporated in a fiber permits the antimicrobial concentration in the fiber to be controlled when the fiber is processed through liquid media such as dye baths and the like.