Abstract: The present invention aims to provide a film having excellent mechanical strength and abrasion resistance. The film of the present invention contains an aromatic polyether ketone resin (I) and a fluororesin (II). The aromatic polyether ketone resin (I) has a crystallinity of 10% or higher.

Abstract: A friction material as a lining for a drum brake includes polytetrafluoroethylene and an acrylic rubber-modified phenol resin. In the friction material, the polytetrafluoroethylene is preferably included in an amount of 0.1% by mass to 5% by mass, and the acrylic rubber-modified phenol resin is preferably included in an amount of 1% by mass to 15% by mass.

Abstract: The present invention relates to a fiber which is produced by means of a melt spinning method, including a first component including a melt processable, fully fluorinated first polymer, and a second component including a thermoplastic second polymer.

Abstract: The present disclosure relates to a polymer composition comprising a polymer blend of Polyaryl Ether Ketone (PAEK) and Poly(2,5-benzimidazole) characterized with enhanced mechanical and wear resistance properties as compared to commercial polymer blends of Polyaryl Ether Ketone and Polybenzimidazole. The present disclosure also relates to shaped articles derived from the polymer composition of the present disclosure.

Abstract: A thermoplastic composition comprises a polymer blend. The polymer blend comprises a first polyimide and a second polyimide. The first polyimide has repeating units derived from a first dianhydride and a first diamine. The second polyimide has repeating units derived from a second dianhydride and a second diamine. Either the first dianhydride and the second dianhydride are the same or the first diamine and the second diamine are the same.

Abstract: To provide a fluorinated copolymer composition which is excellent in physical properties such as abrasion resistance, etc. and which is suitable for use as e.g. an electric wire-coating material; a molded product; and an electric wire. The fluorinated copolymer composition comprises fluorinated copolymer (A) comprising constituent units (a) derived from tetrafluoroethylene, constituent units (b) derived from a fluorinated monomer (provided that tetrafluoroethylene is excluded), and constituent units (c) derived from a monomer having an acid anhydride residue and no fluorine atom, in a specific ratio, and thermoplastic resin (B) having a Rockwell hardness of at least M60 and an insulation performance as defined by ASTM D-257 of at least 1015 ?·cm in a volume ratio of (A)/(B)=from 99/1 to 55/45. The molded product and the electric wire are ones prepared by using such a fluorinated copolymer composition.

Abstract: A resin composition including an aromatic polyether ketone resin (I), and a fluororesin (II), the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): CF2?CF—Rf1??(1) wherein Rf1 represents —CF3 or —ORf2, and Rf2 represents a C1 to C5 perfluoroalkyl group; the composition containing the aromatic polyether ketone resin (I) and the fluororesin (II) at a mass ratio (I):(II) of 95:5 to 50:50; the fluororesin (II) being dispersed as particles in the aromatic polyether ketone resin (I) and having an average dispersed particle size of 3.0 ?m or smaller.

Abstract: To provide a curable composition which has favorable insulating property and liquid repellency, and from which a cured film having liquid repellency capable of being sufficiently converted to be liquid-philic even by irradiation with ultraviolet light having a wavelength of at least 300 nm, can be formed; an article having a cured film obtained by curing the curable composition and its production process. A cured film is formed by using a curable composition comprising a polymer having units (u1) based on a compound represented by the following formula (m1): wherein R1=a hydrogen atom, a methyl group or the like; R2=a bivalent organic group or the like; Cf=a C1-20 fluoroalkyl group or the like, X?O, S, N or NH; m=1 to 2; n=0 to 4; k=0 to 1; and Z=a (meth)acryloyl group or the like.

Abstract: [Problem] To provide a resin composition having excellent sliding properties and mechanical properties and a sliding member that uses the same. [SOLUTION] According to a resin composition of a fluorine-based resin dispersed in a hard resin, the maximum particle size of the fluorine-based resin is adjusted to be no greater than 950 nm and the mean particle size is adjusted to 100 nm to 450 nm. The hard resin is preferably at least one type selected from among polyether ether ketone, polyphenylene sulfide, polybutylene terephthalate, polyamides, polyamideimides, vinylidene fluoride and liquid crystal polymers. Polytetrafluoroethylene is preferred as the fluorine-based resin.

Abstract: An anti-wear material of modified polytetrafluoroethylene resin is provided, which is prepared by mixing sufficiently a polyphenyl p-hydroxybenzoate polymer used as modifier with polytetrafluoroethylene resin in a certain weight ratio, and then carrying out cold-press sintering or hot-press sintering. The anti-wear material made from the modified polytetrafluoroethylene resin has very low average wear coefficient.

Abstract: The application relates to polymeric antistatic agents for use in polymer moulding compositions, as well as moulding compositions containing these antistatic agents, the antistatic agents having good compounding properties and being inexpensive to produce, wherein the antistatic agent is an antistatic agent of the general formula (I) having a polymeric cationic polyelectrolyte constituent produced from diallyldialkylammonium compounds and an anionic counterion A?, in which R1 is uniformly or mutually independently C1-C18 alkyl, A? is an acid anion, and n is a whole number from 10 to 1000.

Abstract: A fluororubber composition according to the present invention contains 0.1 to 3 parts by weight of a polyol compound, 0.1 to 4 parts by weight of a peroxide crosslinking agent, and 1 to 9 parts by weight of a co-crosslinking agent per 100 parts by weight of a peroxide-crosslinkable fluoropolymer. A crack-resistant seal according to the present invention contains a crosslinked fluoropolymer and a polyol compound. The crack-resistant seal according to the present invention can be formed by crosslinking the fluororubber composition, and the resultant crack-resistant seal has particularly high crack resistance. With the fluororubber composition according to the present invention, a durable crack-resistant seal having high plasma resistance, crack resistance, and compression set and that produces few particles can be formed at low cost.

Abstract: The problem of the present invention is to provide an organic thin film transistor insulating layer material capable of producing an organic thin film transistor having a small absolute value of threshold voltage and small hysteresis. The means for solving the problem is an organic thin film transistor insulating layer material comprising a macromolecular compound (A) containing repeating units having a fluorine atom-containing group, repeating units having a photodimerizable group and repeating units having a first functional group that generates a second functional group which reacts with active hydrogen by the action of electromagnetic waves or heat, and an active hydrogen compound (B).

Abstract: A multicomponent system is provided, composed of a thermoplastic component and of a rubber component, which comprises at least two different peroxidic crosslinking agents with specific decomposition temperatures, as also is a process for production of rubber-thermoplastic composite mouldings using the multicomponent system, and also the resultant rubber-thermoplastic composite mouldings.

Abstract: In order to provide polymer compounds which are improved with respect to their properties in comparison with conventional PTFE, on the one hand, and compounds thereof with additional high performance polymers, on the other hand, it is suggested that a polymer compound comprise a proportion of a fully fluorinated, thermoplastic polymer material as well as a proportion of at least one additional high performance polymer different thereto and selected from the group consisting of polyether ketone, polyether ether ketone and polyether aryl ketone as well as copolymers and derivatives of these polymers and copolymers, wherein the compound displays a homogeneous distribution of the proportions of the polymers and the polymer material.

Abstract: A powder adhesive comprising a primary rubber bonding polymer and a thermosetting component, and a method for bonding elastomers to metals employing the same. By adding a thermosetting component to a powdered adhesive, the adhesive may be applied to a substrate, sintered and thermoset to provide a sweep resistant adhesive film on the substrate, which may subsequently be bonded to an elastomer. Without a thermosetting component, the adhesive is at risk to re-melt or otherwise soften during a heated elastomer molding operation which in turn could cause the adhesive material to sweep off the substrate.

Abstract: Aqueous dispersions on non-melt flowable PTFE and melt-fabricable perfluoropolymer are mixed together, followed by recovery of the resultant mixture of the dispersed particles of each of these polymers, and melt mixing of the resultant mixture of particles to obtain a blend in which the PTFE particles form the disperse phase and the perfluoropolymer forms the continuous phase, the melt mixing producing advantageous melt viscosities and the blend exhibiting advantageous physical properties even at high PTFE contents of about 30 wt %.

Abstract: The present invention provides a thermoplastic composition which may be unvulcanized or vulcanized. The thermoplastic composition can be a blend of a thermoplastic engineering resin, a halogenated terpolymer of a C4 to C7 isomonoolefin, a para-alkylstyrene, and a multiolefin. The engineering resin can be a polyamide, such as nylon 6/66 copolymers for example. The isomonoolefin can be an isobutylene for example. The multiolefin can be a C4 to C14 diene, such as isoprene for example.

Abstract: A composition comprising (A) a polymer having an alcohol structure with plural fluorine atoms substituted at ?- and ??-positions and having k=0.01-0.4 and (B) an aromatic ring-containing polymer having k=0.3-1.2 is used to form an antireflective coating. The ARC-forming composition can be deposited by the same process as prior art ARCs. The resulting ARC is effective in preventing reflection of exposure light in photolithography and has an acceptable dry etching rate.

Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99% by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9% by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150° C. The present invention can provide a composition comprising various heat resisting thermoplastic resins and a fluorine-containing polymer having a functional group which is capable of developing an affinity with said resins and forming a uniform dispersion.

Abstract: The present invention provides plastics with high toughness and the preparation thereof. The plastics with high toughness, which have the balance of stiffness and toughness, stable properties and good processability, are obtained by blending the rubber particles having an average particle size of 20 to 200 nm with the pseudoductile plastics, wherein the weight ratio of the rubber particles to the plastics is from 0.5:99.5 to 70:30. The present invention also provides plastics with both high stiffness and high toughness and the preparation thereof. The plastics with both high stiffness and high toughness, which have also an improved heat resistance and good processability, are prepared by blending the rubber particles having an average particle size of 20 to 500 nm and the crystalline plastics, wherein the amount of the rubber particles added in the plastics matrix is from 0.3 to 5 weight parts.

Abstract: The invention generally relates to thermoplastic blends having improved properties. Optionally, these blends may be dynamically vulcanized. More specifically, this invention is directed to a composition comprising a blend of chloromethylated(styrene-isobutylene) polymer and a thermoplastic resin selected from the group consisting of polyamides, polyesters, polycarbonates, polysulfones, polyacetals, polyacetones, acrylonitrile-butadiene styrene resins, polyphenylene oxide, polyphenylene sulfide, styrene-acrylonitrile resins, styrene-maleic anhydride resins, polyamides, aromatic polyketones, ethylene vinyl alcohol polymer and mixtures thereof. Tires and tire components such as air permeation prevention films comprising these compositions are also provided.

Abstract: A silane-modified phenolic resin is prepared by reacting a phenolic compound (e.g., resorcinol) with an aldehyde to produce a phenolic novolak resin. The phenolic novolak resin is further reacted with at least one silane compound to produce the silane-modified phenolic resin. The reaction is typically carried out in the presence of an acid or base catalyst. The resulting resin has a lower softening point and can be used as a methylene acceptor compound in a vulcanizable rubber composition.

Abstract: The invention generally relates to thermoplastic blends having improved properties. Optionally, these blends may be dynamically vulcanized. More specifically, this invention is directed to a composition comprising a blend of chloromethylated(styrene-isobutylene) polymer and a thermoplastic resin selected from the group consisting of polyamides, polyesters, polycarbonates, polysulfones, polyacetals, polyacetones, acrylonitrile-butadiene styrene resins, polyphenylene oxide, polyphenylene sulfide, styrene-acrylonitrile resins, styrene-maleic anhydride resins, polyamides, aromatic polyketones, ethylene vinyl alcohol polymer and mixtures thereof. Tires and tire components such as air permeation prevention films comprising these compositions are also provided.

Abstract: A powder coating composition comprises at least one thermosetting resin such as epoxy resins, carboxy- or hydroxy-functional polyesters; hydroxy-, carboxyl- or glycidyl-functional acrylic resins; and/or hydroxy- or carboxyl-functional fluoropolymers, fluorochloropolymers or fluoroacrylic polymers blended with a at least one poly(phenylene ether) and at least one curing agent for the thermosetting resin.

Abstract: There is provided a resin powder for molding which comprises 35 to 98% by weight of a polytetrafluoroethylene powder having an average particle size of not more than 120 &mgr;m, 35 to 2% by weight of a heat resistant aromatic polyoxybenzoyl ester resin powder subjected to water repelling treatment and 30 to 0% by weight of an inorganic filler, has an apparent density of not less than 0.6 g/cm3 and an average particle size of not more than 800 &mgr;m, and provides a molded article having an elongation at break of not less than 20%. The resin powder for molding is free from separation of a filler, has excellent flowability and apparent density which are important characteristics in handling the powder, and can provide a PTFE molded article having a high elongation which has not been obtained.

Abstract: A curable coating composition is disclosed comprising a resinous binder comprising (a) a reaction product of an epoxy-containing polymer with a compound containing phosphorus acid groups, the reaction product having reactive functional groups, and (b) a curing agent having functional groups reactive with the functional groups of (a). An electroconductive pigment is dispersed in (a) such that the weight ratio of the electroconductive pigment to (a) plus (b) is within the range of 0.5 to 9.0:1. When the curable coating composition is deposited and cured on a metal substrate, the cured coating is weldable.

Abstract: A fluoroelastomer composition contains a peroxide-curable solid fluoroelastomer and a peroxide curative agent combined therewith, and, a bisphenol-curable liquid fluoroelastomer and a bisphenol curative agent combined therewith. The solid fluoroelastomer/peroxide curative when combined with the liquid fluoroelastomer/bisphenol curative results in a composition exhibiting improved polymeric properties including improved flowability at room temperature and improved fluid resistance and sealability at a wide range of temperatures.

Abstract: A hyperbranched polyetherketone and a heat-resistant blend of polyvinylchloride with the same. The polyethereketone is synthesized by self-polycondensation of 3,5-bis[4-[(2,3,4,5,6-pentafluorophenyl)carbonyl]phenoxy]-4-hydroxbenzophenone or 3,5-difluoro-4-hydroxybenzophenone, and then substituting 50 to 80 mole % of fluorine atoms present in the side chains and ends of the PEK molecule by polar groups. In addition, a blend of polyvinylchloride can be manufactured using the hyperbranched polyetherketone by a melt blending technique applicable for industrial purpose at a temperature of 180 to 120° C., and thus the blend of polyvinylchloride with the polyetherekentone can be applied to high temperature end-use products such as hot water pipes.

Abstract: An improved material comprising the reaction product of an A-side having an isocyanate and a B-side having a cross-linker comprising a multifunctional alcohol, a vegetable oil, preferably a blown/oxidized vegetable oil, most preferably a blown/oxidized soybean oil, and a catalyst and the method of producing the same.

Abstract: Melt fabricable compositions of at least 50 wt % polytetrafluoroethylene are provided, wherein the composition contains polyaryletherketone and optionally part of the polytetrafluoroethylene is PTFE micropowder.

Abstract: Powder coating compositions comprising at least one thermosetting resin and at least one poly(phenylene ether) are disclosed.

Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99% by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9% by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150° C.

Abstract: In one aspect, the invention provides curable fluoropolymer compositions comprising fluoropolymer, onium, and alkyl or aryl oxalate-blocked compound and carbonate-blocked compound as crosslinking agents. In other aspects, the invention provides methods of making curable fluoropolymer compositions and provides alkyl or aryl oxalate-blocked and carbonate-blocked compounds.

Abstract: A hyperbranched polyetherketone and a heat-resistant blend of polyvinylchloride with the same. The polyethereketone is synthesized by self-polycondensation of 3,5-bis[4-[(2,3,4,5,6-pentafluorophenyl)carbonyl]phenoxy]-4-hydroxbenzophenone or 3,5-difluoro-4-hydroxybenzophenone, and then substituting 50 to 80 mole % of fluorine atoms present in the side chains and ends of the PEK molecule by polar groups. In addition, a blend of polyvinylchloride can be manufactured using the hyperbranched polyetherketone by a melt blending technique applicable for industrial purpose at a temperature of 180 to 120° C., and thus the blend of polyvinylchloride with the polyetherekentone can be applied to high temperature end-use products such as hot water pipes.

Abstract: In one aspect, the invention provides curable fluoropolymer compositions comprising fluoropolymer, onium, and alkyl or aryl oxalate-blocked compound as a crosslinking agent. In other aspects, the invention provides methods of making curable fluoropolymer compositions and provides alkyl or aryl oxalate-blocked compounds.

Abstract: A hyperbranched polyetherketone and a heat-resistant blend of polyvinylchloride with the same. The polyetherketone is synthesized by self-polycondensation of 3,5-bis[4-[(2,3,4,5,6-pentafluorophenyl)carbonyl]phenoxy]-4-hydroxybenzophenone or 3,5-difluoro-4-hydroxybenzophenone, and then substituting 50 to 80 mole % of fluorine atoms present in the side chains and ends of the PEK molecule by polar groups. In addition, a blend of polyvinylchloride can be manufactured using the hyperbranched polyetherketone by a melt blending technique applicable for industrial purpose at a temperature of 180 to 120° C., and thus the blend of polyvinylchloride with the polyetherketone can be applied to high temperature end-use products such as hot water pipes.

Abstract: The invention generally relates to thermoplastic blends having improved properties. Optionally, these blends may be dynamically vulcanized. More specifically, this invention is directed to a composition comprising a blend of chloromethylated(styrene-isobutylene)copolymer and a thermoplastic resin selected from the group consisting of polyamides, polyesters, polycarbonates, polysulfones, polyacetals, polyacetones, acrylonitrile-butadiene styrene resins, polyphenylene oxide, polyphenylene sulfide, styrene-acrylonitrile resins, styrene-maleic anhydride resins, polyamides, aromatic polyketones, ethylene vinyl alcohol copolymer and mixtures thereof. Tires and tire components such as air permeation prevention films comprising these compositions are also provided.

Abstract: A composition and method for promoting improved adhesion between a thermoplastic resinous substrate and polyurethane foam is provided. In one aspect of this invention, the composition comprises a thermoplastic mixture of at least one polyphenylene ether and at least one poly(alkenylaromatic) compound; and at least one primary amine-containing material or secondary amine-containing material.

Abstract: A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene. A process for preparing a dynamically vulcanized composition is also provided.

Abstract: Melt fabricable compositions of at least 50 wt % polytetrafluoroethylene are provided, wherein the composition contains polyaryletherketone and optionally part of the polytetrafluoroethylene is PTFE micropowder.

Abstract: Melt fabricable compositions of at least 50 wt % polytetrafluoroethylene are provided, wherein the composition contains polyaryletherketone and optionally part of the polytetrafluoroethylene is PTFE micropowder.

Abstract: A composition for anti-reflective coating material is disclosed, comprising a polymer compound having repeating units having specific structure, and optionally a melamine, guanamine, urea, phenol, naphthol or hydroxyanthracene compound substituted by at least one group selected from the group consisting of a methylol group and an alkoxymethyl group at two or more positions. The composition for anti-reflective coating material of the present invention is effective for the reduction of adverse effects of reflection by the substrate in a lithographic process using various radiations. A resist pattern formation process which comprises the use of the composition for anti-reflective coating material is also disclosed.

Abstract: Fluoropolymer compositions containing melt-flowable tetrafluoroethylene copolymers with reactive end groups and isotropic polyesters have excellent adhesion to metal substrates, especially steel, and excellent water resistance.

Abstract: A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.

Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99% by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9% by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150.degree. C. The present invention can provide a composition comprising various heat resisting thermoplastic resins and a fluorine-containing polymer having a functional group which is capable of developing an affinity with said resins and forming a uniform dispersion.

Abstract: A composition amenable to injection molding and extrusion comprises a syndiotactic styrene resin, a thermoplastic resin such as a polyolefin and an inorganic filler optionally contains a rubber.

Abstract: A functionalized copolymer of the formulaA--B--Z--XwhereA is a block of vinylaromatic monomers of 8 to 20, preferably 8 to 12, carbon atoms,B is a block of alkadiene monomers of 4 to 12, preferably 4 to 8, carbon atoms,Z is a fundamental building block of a compound having sterically hindering groups andX is a functionalized fundamental building block,a process for its preparation, thermoplastic molding materials containing said copolymer, processes for their preparation, the use for the production of moldings and moldings comprising said molding materials.

Abstract: Low melt viscosity polytetrafluorethylene (PTFE), i.e. having a melt viscosity of 50 to 1.times.10.sup.5 Pa.multidot.s at 372.degree. C., is combined with non-fluorinated thermally stable polymer such as polyarleneetherketone to provide melt-fabricability application for the low MV PTFE and provide improved properties for the thermally stable polymer.

Abstract: A thermoplastic composition which may be unvulcanized or vulcanized is provided which comprises a polymer blend of an elastomeric thermoplastic engineering resin and a halogen-containing copolymer of a C.sub.4 to C.sub.7 isomonoolefin and a para-alkylstyrene. A process for preparing a dynamically vulcanized composition is also provided.