Abstract: A new prepreg material having good tack drape properties and feasible out-time and articles derived therefrom as well as processes for preparation these products are disclosed. The prepreg is prepared by impregnating inorganic fibers with a compostion comprising:(A) fine powder of a metal oxide or oxides having an average particle diameter of not larger than 1 .mu.m,(B) a soluble siloxane polymer having double chain structure,(C) a trifunctional silane compound having at least one ethylenically unsaturated double bond in the molecule thereof,(D) a organic peroxide,(E) a radically polymerizable monomer having at least two ethylenically unsaturated double bonds; and heating the impregnated fibers.

Abstract: An improved elastomer-based connector sheet for use to electrically connect electrode terminals is proposed which comprises, in the form of an integral sheet: (a) a matrix in the form of a sheet made from an electrically insulating rubber having a specified rubber hardness; and (b) a multiplicity of straightly extending wire segments of a metal having a specified volume resistivity and having a diameter in the range from 20 to 90 .mu.m embedded in the matrix of the rubber substantially in parallel each with the others in such a direction that the bias angle formed with the direction perpendicular to the surface of the sheet is in the range from 20.degree. to 60.degree. in such a fashion that each of the wire segments has the ends exposed on the surfaces of the matrix sheet and the distance between the surfaces of adjacent wire segments is at least 10 .mu.m, the distribution density of the ends of the wire segments exposed on the sur-face of the matrix sheet being in the range from 70 to 1000 per mm.sup.2.

Abstract: A metal oxide layer is provided around a thermocouple element. The metal oxide layer is formed by preparing a sol, in which particulates of a metal oxide are dispersed, by a sol-gel method, dipping the thermocouple element in this sol, energizing the thermocouple element as a cathode for bonding the precursor particulates of the metal oxide thereto, and heat treating the same. The thermocouple according to the present invention is compact with a thin insulating layer, excellent in flexibility, and provides no gas adsorption source.

Abstract: A cross-linkable polymer composition containing a cross-linkable polymer having at least one hydrolysable silane group, a silanol condensation catalyst and a polybutadiene. The composition provides a cross-linked polymer having good water tree resistance properties, for use as insulation in electrical cables.

Abstract: Fibrous material including fibers, bundles of fibers, strands, roving, flakes and beads have a dried residue of a chemical treating composition for improved solvent resistance of polymers the fibrous materials reinforced. The chemical treated composition has at least one crosslinkable polyurethane, at least one organofunctional silane coupling agent, and acrylic copolymer with at least one addition polymerizable acrylic-type monomer and at least one monomer that is addition polymerizable and matrix resin miscible and reactable and a carrier. In addition, the chemical treating composition can have a polyurethane crosslinking agent in an effective amount to produce a dried residue of limited swellability from the chemical treatment, where the residue is a thin film on a substantial portion of the surface of the fibrous materials. Optionally, there may be present at least one low temperature antioxidant such as alkali metal and alkaline earth metal hypo or hydrogen phosphites.

Abstract: A silicone composition is formed as a system including a silicone compound, and an unsaturated ester compound having a perfluoro-alkyl group containing 1-20 carbon atoms. The silicone composition is heat-cured to provide a solid silicone rubber composition suitably constituting the surface layer of an elastic revolution body which in turn is suitably used to constitute one or both of a fixing roller and a mating pressure roller in a heat-pressure roller fixing device for electrophotography. In the solid silicone rubber composition, the unsaturated ester compound is stably fixed through reaction with the silicone compound due to the presence of the reactive unsaturation group so that its antistatic effect is retained for a long period.

Abstract: An organopolysiloxane composition which is adapted for use as a core of plastic optical fibers comprises (A) an organopolysiloxane having a unit of the following general formula (1)RSiO.sub.1.5 (1)wherein R represents a substituted or unsubstituted monovalent hydrocarbon, and also having not less than 0.05 alkenyl groups directly bonded to the silicon atom thereof per unit silicon atom, (B) an organosilicon compound of the following general formula (2) ##STR1## wherein R.sup.1 's independently represent a monovalent hydrocarbon group, Q represents a divalent aromatic hydrocarbon group, and a is an integer of from 1 to 3, and (C) a platinum catalyst for crosslinking between the organopolysiloxane and the organosilicon compound. An optical fiber comprising a core made of a cured product of the composition is also described.

Abstract: A cationic silicone compound which can be employed in a variety of environments, such as a fiber lubricant, textile fabric softener, hair conditioner, and skin conditioner is formed from an aminosilicone compound which has the following Formula (I): ##STR1## wherein a, b, and c are 0-300;d is 0-4, preferably 1 or 2;R.sub.1 comprises hydrogen, an alkyl, aryl, alkynyl, alkenyl, alkyloxyalkylene group which may be unsubstituted or substituted with P,N, or S moieties;R.sub.2 is defined the same as R.sub.1 and can also be a carboxylic acid residue preferably a fatty acid residues, with the proviso that where R.sub.2 is a carboxylic acid residue, the R.sub.1 attached to the terminal N is hydrogen;R.sub.3 is defined the same as R.sub.2 and can also be alkoxy, aryloxy or oxyalkylene groups;R.sub.4 is defined the same as R.sub.3 and can also be an amino-substituted alkyl group;Z.sub.1 and Z.sub.

Abstract: According to the invention, a chemically adsorbed film is formed on an apparel material which has a surface layer containing fluorocarbon groups and a stem which is chemically bonded by --Si-- bonds to the material. A high performance apparel material thus can be provided which retains intrinsic properties of material such as ventilation and aesthetic appearance and is excellently durable and highly water- and oil-repelling and anti-contaminating or excellently durable and highly hydrophilic. The chemically adsorbed film has a very thin surface layer containing fluorocarbon groups, and is thus excellently water- and oil-repelling and anti-contaminating. In addition, since its stem is chemically bonded via --Si-- bonds to the material, it does not separate and is excellently durable. Further, it is very thin and does not adversely effect intrinsic properties of material such as ventilation, color and aesthetic appearance.

Abstract: Glass fibers are coated with a sizing composition comprising an aqueous emulsion based on at least one polyolefin having grafted thereon at least one acid or anhydride which is neutralized by at least one alcoholamine, at least one aminosilane coupling agent, and at least one primary, secondary or tertiary aliphatic monoamine stabilizing agent which is miscible with water and which has a pK.sub.b value lower than the pK.sub.b value of the amine group of the coupling agent, plus 1.The glass fibers of the invention are intended more particularly for reinforcing polyolefin matrices such as polypropylene matrices.

Abstract: A chemical treating composition, treated glass-type surfaces and vinyl addition polymer compatible substrates with such treated surfaces are provided where the treating composition has at least five nonaqueous components. These components include in weight percent of the nonaqueous component the following: at least one starch in an amount from around 1 to around slightly greater than 50, at least one wax in an amount to have a ratio with the starch and a range of around 0.

Abstract: Disclosed are flame retardant organosilicon compositions, wherein the organosilicon compositions comprise residues derived from (a) polycyclic polyene compounds and (b) residues derived from cyclic polysiloxanes, tetrahedral siloxysilanes and linear poly(organohydrosilioxane)s. Preferably the compositions contain flame retardants, such as a phosphorus containing or halogen containing flame retardant, which may be microencapsulated. Also disclosed are processes for making such compositions and articles made from such compositions.

Abstract: The present invention is directed to a beam-curable coating composition for coating glass surfaces, particularly, optical glass fibers. The resultant coatings show slight or no loss of adhesion after exposure to moisture. The coating composition includes ethylenically unsaturated polyurethane, ethylenically unsaturated monomer, photoinitiator and a silane compound. The silane compound is an azidosilane and is added to improve adhesion of the coating agents exposed to moisture. Optionally, aminoalkoxysilanes may also be included.

Abstract: The present invention relates to a new silicone cure system. More particularly, the present invention discloses that a siloxane system containing sufficiently high levels of T or Q species in addition to M, D and a limited amount of silanol species can be cured by linear phosphonitrilic chloride disproportionation catalyst.

Abstract: Flexible coated bundles of fibers are provided that are both encapsulated and impregnated with a coating of one or more independently partially crosslinkable polyurethane. The fibers in the bundle can have a first chemical treatment or size and the bundle of these fibers is treated to have the coating of the polyurethane. The coating impregnates the bundle so that a majority of the fibers have a substantial portion of their surfaces covered with the coating. The independently partially crosslinkable polyurethane is selected from polyurethane polymers that are solvent-soluble, dispersible or emulsifiable that produce a thermoplastic elastomeric film. The partial crosslinkability is from one or more of the following types of crosslinking: self-crosslinkable, internally crosslinkable and/or in-situ crosslinkable. Additional components other than external crosslinking agents can also be present in the coating composition.

Abstract: A surface-protected structure having a surface covered with a monomolecular adsorbed film of a silane-type surface active agent, which film is formed on the surface of a fine particle or fiber containing OH groups by a chemical adsorption reaction between silicon atoms of the silane-type surface active agent and the OH groups of the fine particle or fiber. Ultra-fine particles having the above structure exhibits little property deterioration and have excellent resistance against environment, and a filler having high resistance to peeling is also provided.

Abstract: The invention relates to coating composition, coated articles of manufacture, and to the formation of the coated articles. The coating is an energy-beam set resin containing fluid containing heat- expandable, fluid-encapsulating hollow spheres in the resin. The coating of a substrate, such as a communication line material, is accomplished by coating the material with a resin mixture containing expandable spheres and then exposing the coated material to an energy-beam source for a period of time to cure the resin and expand the spheres. The coating is applied to at least one filament of a communication line material. Such filaments can be gathered into bundles which are first extrusion coated with a thermoplastic polymer before being coated with the resin mixture. The composition of the resin material can be varied by changing the volume percent of the hollow spheres present in the resin mixture.

Abstract: Aqueous size compositions for application to glass fibers contain, as essential components, a reaction product of a polymeric amine and an amine-reactable organosilane, a film-forming polymer and an emulsified polyolefin. The reaction product can be preformed or made in situ, and is preferably the product of a polyalkylene polyamine and an epoxy-functional alkoxysilane. An optional added component is a water-soluble, non-volatile carboxylic acid. Glass fibers treated with the size composition can be made into mats, especially continuous strand, needled mats, useful for reinforcing thermoplastic polymers such as polypropylene in laminates which then can be used in molding processes to make articles of good physical properties.

Abstract: A paper feed roller formed from a high friction rubber obtained by curing a high friction rubber-forming composition comprising in admixture,(A) a silicone rubber compound containing an organopolysiloxane of the average compositional formula (1):R.sub.n.sup.1 SiO.sub.(4-n)/2 (1)wherein R.sup.1 is a substituted or unsubstituted monovalent hydrocarbon group, the groups represented by R.sup.1 containing up to 95 mol. % of a methyl group, at least 3 mol. % of a phenyl group and at least 0.2 mol. % of a vinyl group, and n is a positive number of from 1.95 to 2.05, and(B) a silicone rubber compound containing an organopolysiloxane of the average compositional formula (2):R.sub.m.sup.2 SiO.sub.(4-m)/2 (2)wherein R.sup.2 is a substituted or unsubstituted monovalent hydrocarbon group, the groups represented by R.sup.2 containing at least 98 mol. % of a methyl group, and m is a positive number of from 1.95 to 2.05,said silicone rubber compounds (A) and (B) being mixed in a weight ratio between 5:95 and 95:5.

Abstract: The improved ruffling tape includes a heat fusible, flexible, resilient, elongated strip of thermoplastic or the like, to one side of which is a pull string loosely secured thereto, as by spaced stitches along the length of the strip, which stitches run over the string and into the strip. The strip can include the heat fusible material, if desired, only on the side opposite that bearing the string. The string has one end thereof anchored thereto, as by a knot which does not pass through the stitches. The The string may have a slip covering of silicone or the like. In accordance with the method, the strip is heat fused to one side of a fabric, with the string and stitches exposed. The fabric is then ruffled by pulling the free end of the string, with or without simultaneously pushing said fabric toward the tied end of the string. When the desired ruffling is obtained, the free end of the string is tied off against the adjacent end of the tape to hold the ruffling in place.

Abstract: This invention relates to a chopped strand mat and a thermoplastic sheet for the manufacture of molded articles which are excellent in strength, rigidity and impact resistance as well as in color quality.The chopped strand mat according to the invention comprises chopped strands having fiber lengths of 10 to 100 mm and doped with a surface treating composition comprising an expoxysilane coupling agent and an epoxy resin and, as a binder, a polymer containing an acrylic ester unit. The thermoplastic sheet according to the present invention comprises the chopped strand mat impregnated with a thermoplastic resin.

Abstract: A sliding member comprising a fluorine resin and carbon fibers treated with a fluorine-containing silane modifying agent represented by the formula R.sup.1 -SiX.sub.3 wherein R.sup.1 represents an alkyl group having from 1 to 10 carbon atoms, a part or the whole of the hydrogen atoms of which are replaced with fluorine atoms and X represents a hydrolyzable group or a chlorine atom.

Abstract: A method for stabilizing shelf life conductivity of conductive coatings such as polypyrrole or nickel sulfide on a substrate such as fiberglass, by incorporating in such conductive coating a polyphenol or a polysiloxane. The polyphenol is derived from a phenolic material in the form of a phenol-formaldehyde monomer or an oligomer of phenol-formaldehyde, and the polysiloxane is derived from a siloxane. Upon heating, the phenolic material cures to a polyphenol and the siloxane is converted to a polysiloxane, forming the stabilizing material on the conductive polypyrrole or nickel sulfide coated substrate. The phenolic material is preferably incorporated directly into the solution formulation for preparing the conductive nickel sulfide or polypyrrole on the substrate, and the polyphenol stabilizer is formed together with the conductive coating on the substrate by heating.

Abstract: This invention relates to a sheetlike wholly aromatic polyamide shaped article useful as electrical insulating materials excellent in corona resistance (corona durability) and in surface smoothness. The corona durability of said sheetlike shaped article is increased to 150 minutes or above by adding a nonionic polymer flocculant to an aqueous dispersion comprising 10 to 90% by weight of mica particles, preferably treated with a silane coupling agent and 90 to 10% by weight of a wholly aromatic polyamide stock (fibrids and fibers) in obtaining the sheetlike shaped article from the aqueous dispersion by wet shaping.

Abstract: An aqueous starch-oil sizing composition is provided which produces improved processibility in woven and non-woven applications. The sizing has low viscosity starch, a lubricant which is a mixture of oil and wax where the wax is present in an amount of at least twice the oil, cationic lubricants, and a humectant. The size also includes an organo-functional silane coupling agent such as gamma-glycidoxypropyltrimethoxy silane which may be hydrolyzed. Emulsifiers, defoamers, and biocides may be present. Strands of glass fiber which have been treated with this size have generally shown a reduced tendency to shed the size from the strands, a reduction in the buildup of broken filaments or "fuzz" on processing equipment and reduced strand breakage.

Abstract: An aqueous emulsion composition containing an aminopolysiloxane, a water-soluble oxidant such as hydrogen peroxide and its salts, water and optionally a hydroxy-terminated polysiloxane, which emulsion imparts slickness and durability to a fibrous substrate without releasing volatile organic compounds and method of use is provided.

Abstract: An aqueous emulsion for use in forming a weight average sizing coating for treating a surface of a substrate. The emulsion comprises at least one polyolefin having a molecular weight greater than 10,000; an acid material selected from the group consisting of saturated fatty acids, unsaturated fatty acids which do not includ any hydroxyl groups and mixtures thereof; at least one base; optionally, an emulsifying agent; and a sufficient amount of water to form an aqueous phase emulsion comprising from about 10-50% of solid materials.

Abstract: An aqueous size composition for glass fibers is disclosed which includes a thermoplastic polymer resin powder, a coupling agent, and fugitive processing aids, such as binders or film formers. The composition is applied to the glass fiber surfaces during the fiber forming process. A fugitive rheology modifier material may be added to the size composition. One embodiment of the composition includes a polyethylene oxide binder material and a polyphenylene sulfide thermoplastic polymer resin.

Abstract: A method for modifying the surface of finely divided particles, such as pigments and filler or glass fiber, is described. The method utilizes organopolysiloxanes with ester groups and long-chain alkyl groups, which are linked over carbon atoms to silicon atoms.

Abstract: An organic phosphite composition is provided comprising organic phosphite particles having organic phosphite cores coated with an aminofunctional organic polysiloxane. Blends of the phosphite and the aminofunctional organic polysiloxane are also provided. The phosphite particles exhibit high levels of resistance to hydrolysis and are useful as antioxidant additives for thermoplastic compositions.

Abstract: Members with excellent water- and oil-repelling, and anti-contaminating properties are provided by exposing fillers partially protruding from the surfaces of fiber reinforced plastics or fiber reinforced metals and chemically adsorbing a chlorosilane-based chemical adsorbent to the rough surface of the fiber reinforced plastic or metal substrate. A siloxane-based chemically adsorbed monomolecular film or a polysiloxane chemically adsorbed film is formed on the substrate by chemically adsorbing a chemical adsorbent having numerous chlorosilane groups to the substrate surface. Following that, a chlorosilane-based chemical adsorbent having fluorocarbon groups is chemically adsorbed to the film, thus forming a chemically adsorbed monomolecular or polymer film with water- and oil-repelling properties.

Abstract: Compositions suitable for producing mineral fibre reinforced thermoplastic composite materials by the wet-laid process comprise mineral fibres, matrix polymer and a coupling agent. The fibres are silanized with reactive silane groups capable of reacting with the coupling agent, for example a maleic anhydride grafted polyolefin, to improve adhesion between the fibres and matrix polymer in the final composite product. The composition excludes components which hinder the reaction between the silane groups and the coupling agent.

Abstract: Disclosed herein are a heat resistant insulated wire which is not decomposed but maintains insulativity under a high temperature with excellent adhesion of a coating film, and a method of preparing the same. The heat resistant insulated wire includes a base material consisting of an electrical conductor, and an insulating layer provided on its surface. The insulating layer is obtained by heating a second polymer, in which main chains expressed in a chemical formula--[Si(R.sub.1).sub.2 --N(R.sub.2)].sub.n --are cross-linked with each other by chloroborazine through side chains containing trialkylsilyl radicals at a temperature of at least about 300.degree. C. and not more than 500.degree. C.

Abstract: The present invention relates to an insulated wire comprising a conductor and at least two insulating layers provided on the outer periphery of the conductor. The inner insulating layer is provided directly or via another insulation on the outer periphery of the conductor and comprises a polyolefin compound containing 20 to 80 parts by weight of at least one substance selected from ethylene .alpha.-olefin copolymer, ethylene .alpha.-olefin polyene copolymer (.alpha.-olefin having the carbon numbers of C.sub.3 -C.sub.10, polyene being non-conjugated diene).

Abstract: A polymer-coated carbon is coated with an aromatic polysiloxane liquid coating solution polymerized to have non-linear, ladder-like silicon to oxygen bonding. Carbon fiber or fabric coated with aromatic polysiloxane liquid polymer provides enhanced thermal protection and oxidative stability. The aromatic polysiloxane liquid polymer-coated carbon preferably includes a non-linear, ladder-like aromatic polysiloxane polymer-coated carbon such as provided by polyphenyl-siloxane polymer having the general formula R.sub.n SiO.sub.(4-n)/2, wherein R comprises phenyl radical, and n has an average value of about 0.95 to 1.05.

Abstract: A water shieldable material comprising a coating layer (2) having a specific density and comprising a specific rubber binder having non-watersolubility and flexibility and a high water absorption polymer particle (4) having a specific diameter and a solid substrate (3) supporting the coating layer, and at least satisfying the following conditions.1. The density of the coating layer is between 0.65 g/cm.sup.3 and 1.00 g/cm.sup.3.2. The weight ratio of the high water absorption polymer particle and the rubber group binder in the main portion, i.e., 90% or more by weight of the coating layer, is between 50% by weight and 90% by weight for the high water absorption polymer particle and between 10% by weight and 50% by weight.3. The diameter of the particles belonging to the weight ratio of between 55% by weight and 95% by weight in the high water absorption polymer particle is between 45 .mu.m and 425 .mu.m.

Abstract: Fiberballs for filling uses in pillows, cushions and for like support purposes, from blends of slickened fiberfill of regular denier, to provide support and resilience, mixed with minor amounts of lower denier slickened fibers to provide optimum aesthetics.

Abstract: Fibers coated with thin polymeric films are disclosed and claimed. In a preferred embodiment, microporous fibers are coated with a pre-cast polymeric film having a thickness of about 200 to about 2000 Angstroms.

Abstract: An aqueous starch oil sizing composition is provided which produces improved processibility in woven and non-woven applications. The sizing combines a high amylose corn starch which has been derivatized with propylene oxide, with a low amylose highly crosslinked corn starch. The sizing also includes lubricants which may be oils or waxes and a lubricant which is the salt of a polyamino functional polyamide resin. Other emusifiers, humectants, lubricants, defoamers, and biocides may be present. The size also includes a silane coupling agent such as gamma glycidoxy propyl trimethoxy silane which can be hydrolyzed. Strands of glass fiber which have been treated with this size have shown a reduced tendency to shed the size from the strands, a reduction in the buildup of broken filaments or "fuzz" on processing equipment and reduced strand breakage.

Abstract: An electrical cable having a wire bundle core surrounded by a thermal protection sleeve, the thermal protection sleeve consisting of a sandwich structure of outer acrylic adhesive layer and a silicone foam core.

Abstract: An electrical cable having a wire bundle core surrounded by a thermal and chafe protection sleeve, the thermal and chafe protection sleeve consisting of a sandwich structure having an additional outer layer of fiberglass lacing tape and a fluorosilicone fuel resistant coating.

Abstract: A method for the removal and concentration of desired ions such as Pd(II), Ru(III), Pd(IV), Au(III), Au(I), Ag(I), and Hg(II) from a multiple ion source solution which may contain larger concentrations of other undesired ions including H.sup.+ comprises bringing the source solution into contact with a compound comprising a sulfur and electron withdrawing group containing ligand covalently bonded through an organic spacer silicon grouping to a solid inorganic support. The sulfur and electron withdrawing group containing ligand portion(s) of the compound has an affinity for the desired ions to form a complex thereby removing the desired ions from the source solution. The desired ions are removed from the compound by contacting the compound with a much smaller volume of a receiving solution having a greater affinity for the desired ions than does the sulfur and electron withdrawing group containing ligand portion of the compound.

Abstract: A glass fiber strand impregnated with a liquid crystal polymer and an aqueous slurry composition useful for producing the liquid crystal polymer impregnated glass fiber strand are disclosed. The aqueous slurry composition includes a liquid crystal polymer resin powder and a thickener material. The slurry composition is applied to the glass fiber surfaces during the fiber forming process. Coupling agents, surfactants or lubricants material may optionally be added to the slurry composition. One embodiment of the slurry composition includes a polyethylene oxide binder material and a melt spinnable liquid crystal polyester which is optically anisotropic in the melt phase.

Abstract: Surface treating articles having varying degree of smear-resistance and their methods of manufacture are presented. One preferred article is characterized by an organic matrix substantially engulfed by a novel, tough, adherent elastomeric resinous binder system comprising the reaction product of either(1) a polyurethane prepolymer, or(2) a polyurethane polymer emulsion with an epoxy-functional material and an amine-functional material in an aqueous system.

Abstract: The invention relates to a process for preparing polyorganosiloxane-containing emulsions having a mean particle size of less than 0.3 .mu.m in which, in a first step,(A) a concentrate is prepared by mixing a polyorganosiloxane with water and an emulsifier which is soluble in the polyorganosiloxane.and, in a second step,(B) the concentrate thus obtained is diluted with water to the desired polyorganosiloxane concentration.These emulsions can be used for impregnating fibres and fabrics.

Abstract: A coated wire is provided which comprises a wire coated with a blend of polyarylene sulfide and an ungrafted, hydrogenated conjugated diene/vinyl aromatic block copolymer which imparts improved elongation to polyarylene sulfide.

Abstract: The present invention relates to a polyester-fiber-treatment agent that can impart smoothness and flexibility to polyester fiber at the same time that it also equips the polyester fiber with nonflammability. The treatment agent for the polyester fiber is based on an organosilicon compound that contains an organic group comprising a bromine-containing organic group bonded to silicon via carbon where the organosilicon compound has a bromine content of at least 5 weight percent.

Abstract: A packing material for sealing electronic devices having improved, higher thermal conductivity than amorphous silica-containing packing material. The packing material comprises a thermosetting resin and a filler particle comprising a core inorganic particle and an amorphous silica coating on the core particle. The core particle is made from material having a thermal conductivity higher than that of amorphous silica, for example, a metal nitride such as aluminum nitride or silicon nitride, or a metal oxide such as aluminum oxide, or crystalline silicon dioxide. The amorphous silica coating may be formed by hydrolysis of alkoxysilane.

Abstract: A textile strand weaveable on air jet looms is described which is a unitary bundle of glass fibers having on their surface the dried residue of an aqueous dispersion having at least one wax that is a solid at ambient temperatures and is in a solid-in-water dispersion (emulsion) present in an amount of at least 45 percent and up to around 90 percent of the dispersion, but always as the predominant component of the nonaqueous components of the composition. The dispersion also has on a weight percent basis of the nonaqueous components a cationic lubricant, at least one lubricating material such as high molecular weight polyols, polyalkylene polyols, and glycols wherein each of the lubricating materials are present in an amount less than the amount of the wax. The aqueous dispersion may also have poly(vinylpyrrolidone) and one or more organofunctional alkoxysilane coupling agents or their hydrolysis products.

Abstract: A method of making a composite article and a composite article specifically adapted for use in high temperature, corrosive and errosive environments comprising a carbon fibrous substrate, including a pyrolytic carbon sheath formed about each fiber of the substrate; a metallic carbide, oxide, or nitride compliant coating over the coated fibers of the substrate; and an impermeable metallic carbide, oxide or nitride outer protective layer formed about the entire periphery of the coated substrate. In accordance with the method of the invention, the compliant metallic coating is applied to the fibers in a manner such that any mechanical stresses built-up in the substrate due to a mismatch between the coefficient of thermal expansion of the fibrous substrate and the coating are effectively accomodated.