Abstract: High impact polysulfone blends containing a polysulfone and from about 10 to about 25 wt % of an impact modifier formulation comprising an acrylate rubber and a polycarbonate, and a method for providing supertough polysulfones.

Abstract: Pulverulent coating compositions exhibiting excellent adhesion to metal substrates are formulated from a polyamide, e.g., nylon 6, nylon 11, nylon 12, or copolyamide thereof, and minor amounts of at least one phenolic polycondensate and/or at least one polyalkyl (meth)acrylate.

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: Desirable thermoplastic vulcanizates can be prepared from a polar engineering thermoplastic; a halogenated copolymer of p-alkylstyrene and an isomonoolefin having from 4 to 7 carbon atoms; and either an ethylene rubbery polymer or a diene based rubbery polymer or combinations thereof. The ethylene rubbery polymer desirably has at least one pendant carboxylic acid group, amine group, epoxy group, hydroxyl group or an anhydride of two carboxylic acid groups or combinations thereof. Desirable diene based rubbery polymers include epoxidized natural rubber and epoxidized homopolymers and copolymers of dienes.

Abstract: A thermoplastic vulcanizate prepared by dynamically vulcanizing a rubber within a blend that comprises the rubber, a fluorine containing thermoplastic, and a vulcanizing agent; wherein the rubber is selected from nitrile rubber, hydrogenated nitrile rubber, amino-functionalized nitrile rubber, acrylonitrile-isoprene rubber, and mixtures thereof.

Abstract: A thermoplastic synthetic resin, especially high-density polyethylene, has its diffusion coefficient especially for hydrocarbons, reduced by the addition of 2 to 8% by weight of an additive consisting essentially of at least one phenoxy and/or epoxy resin, and at least one further component selected from the group which consists of at least one radical forming agent and at least one graft coploymerization catalyst, and optional quantities of an antioxidant selected from the group which consists of at least one phenolic antioxidant, at least one phosphitic antioxidant and mixtures thereof, at least one organosilane ester, at least one UV stabilizer, at least one antistatic composition, and polypropylene.

Abstract: A thermoplastic resin composition comprising:(a) Alkylene aryl polyester copolymers having metal sulfonate units represented by the formula IA: ##STR1## or the formula IB:(M.sup.+n O.sub.3 S).sub.d --A--(OR"OH).sub.pwhere p=1-3, d=1-3, p+d=2-6, n=1-5, and A is an aryl group containing one or more aromatic rings where the sulfonate substituent is directly attached to an aryl ring, R" is a divalent alkyl group and the metal sulfonate group is bound to the polyester through ester linkages;(b) An essentially amorphous polycarbonate, polyester carbonate or polyarylate polymer containing recurring units of the formula II: ##STR2## wherein Ar is divalent aromatic residue of a dicarboxylic acid or mixture of dicarboxylic acids and Ar' is the divalent aromatic residue of a dihydric phenol or mixture of dihydric phenols. The composition may further comprise acidic phosphorus based quenchers, rubbery impact modifiers, mineral fillers or reinforcements.

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: Polycarbonate resin compositions comprising (A) a composition comprising a polycarbonate resin (A-1) and a specific polyethylene terephthalate resin polymerized by using a germanium catalyst (A-2) in an (A-1)/(A-2) ratio of 99/1 to 40/60 by weight, (B) 1 to 10 parts by weight, per 100 parts by weight of the composition (A), of an olefin-alkyl (meth)acrylate copolymer having an MI of 0.1 to 300 g/10 minutes and optionally (C) 2 to 10 parts by weight, per 100 parts by weight of the composition (A), of a graft copolymer in which at least one monomer selected from an aromatic vinyl compound, a vinyl cyanide compound, an acrylic acid ester, a methacrylic acid ester and vinyl compounds copolymerizable therewith is copolymerized with a rubbery elastomer. The polycarbonate resin compositions can meet recent demand of high level solvent resistance and also have excellent heat stability and flow property in molding.

Abstract: A composition comprises (A) a syndiotactic styrene-based resin and (C) rubber polymer particles such as graft copolymers, butadiene or isoprene block copolymers optionally hydrogenated and/or modified with maleic anhydride, and other rubbers, and, optionally, (B) a thermoplastic resin such as a polycarbonate, and/or (D) a filler such as glass fibers.

Abstract: A resin composition which comprises 50-97% by weight of thermoplastic resin with a melting or softening point of about 330.degree. C. or below and 3-50% by weight of cured phenolic resin, in the form of powder, with an average particle diameter of about 500 .mu.m or below. This resin composition is moldable into a sliding member having excellent mechanical properties in an aqueous environment and provides economical merit.

Abstract: Low oil swell, processable carboxylated nitrile rubber thermoplastic vulcanizate compositions having high melting points are made utilizing a processing aid, for example, maleated polyethylene, and addition type curing agents such as bisoxazolines or bisimidazolines. The compositions generally contain polar thermoplastic high melting point crystalline polymers such as polyester as a continuous phase with the carboxylated nitrile rubber being dispersed therein.

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.

Abstract: Polyarylene ethers having repeating units of the general formula I ##STR1## where t and q may each be an integer 0, 1, 2 or 3,T, Q and Z may each be a chemical bond or a group selected from --O--, --S--, --SO.sub.2 --, S.dbd.O, C.dbd.O, --N.dbd.N--, --R.sup.a C.dbd.CR.sup.b -- and --CR.sup.c R.sup.d --, with the proviso that at least one of the groups T, Q or Z is --SO.sub.2 -- or C--O and, if t and q are 0, Z is --SO.sub.2 -- or C.dbd.O,R.sup.a and R.sup.b are each hydrogen or C.sub.1 -C.sub.10 -alkyl,R.sup.c and R.sup.d are each hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy or C.sub.6 -C.sub.18 -aryl, where the abovementioned groups may each be substituted by fluorine and/or chlorine, or, together with the carbon atom to which they are bonded, form a C.sub.4 -C.sub.7 -cycloalkyl group which may be substituted by one or more C.sub.1 -C.sub.6 -alkyl groups, andAr and Ar.sup.1 are each C.sub.6 -C.sub.18 -aryl which may be unsubstituted or substituted by C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.

Abstract: Improved thermoplastic compositions that are resistant to die beard growth are described herein, comprising poly(phenylene ether) resins, polyamide resins and an amount of a beard growth reducing agent selected from the group consisting of non-elastomeric polyolefin resins, partially fluorinated polyolefins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefins, effective for inhibiting beard growth. The compositions may further comprise at least one impact modifier, flow promotor or filler.

Abstract: Phenolic resin curatives having a majority of dibenzyl ether linkages were unexpectedly found to be very effective in curing unsaturated rubbers in a blend of a crystalline polyolefin and said rubber. Their effectiveness exceeds that of conventional phenolic resins for many thermoplastic vulcanizate compositions allowing for the reformulation of the recipes with lower amounts of curatives and equivalent or superior physical properties in the resulting thermoplastic vulcanizate.

Abstract: Processes for the preparation of a thermoplastic elastomer comprising a triblend of engineering resin, dynamically vulcanized alloy of thermoplastic olefin polymer and elastomeric copolymer, and a compatibilizer for the engineering resin and alloy. The compatibilizer can be formed in a separate step or in-situ in a one step process. The processes produce compositions which retain structural integrity at high temperature, and have good tensile properties, elongation and fluid resistance.

Abstract: The present invention provides an improved process for producing blends of tackifying resins and low molecular weight polyphenylene ether resins. This invention involves combining the resin solutions or redissolving one of the resins once isolated, in the other resin solution and isolation of the resin blend by devolatilization, precipitation, evaporation, spray drying, and/or stripping of the organic solvent.

Abstract: Polymer blend compositions comprise (a) a polyphenylene ether polymer, (b) a polyphthalamide comprising the reaction product of (i) hexamethylene diamine or a mixture of hexamethylene diamine and trimethylhexamethylene diamine, and (ii) terephthalic acid, and optionally (iii) at least one acid selected from the group consisting of isophthalic acid and adipic acid, provided that a mixture of said diamines is employed if reactant (iii) is absent, and (c) at least one compatibilizer. The compositions may further include an aliphatic polyamide and/or an impact modifier.

Abstract: The present invention provide a liquid crystal polyester represented by the formula I ##STR1## wherein A is ##STR2## B is ##STR3## R.sub.1 and R.sub.2, independently to each other, are hydrogen, halogen or C.sub.1 -C.sub.3 alkyl, andR.sub.3 and R.sub.4, independently to each other, are hydrogen, halogen or C.sub.1 -C.sub.3 alkyl,which is prepared by using aliphatic fumaric acid as diacid.The liquid crystal polyester according to the present invention can be prepared in a simple manner, processed directly without separate modification and used in the form of high strength fiber and plastic.

Abstract: A heat-resistant, lubricative resin composition which can withstand temperatures of 250-270.degree. C., which is wear-resistant and low in friction, and which is less likely to attack a soft alloy such as aluminum alloy, and a high-performance, heat-resistant sliding bearing formed from the abovementioned heat-resistant, lubricative resin composition.

Abstract: Disclosed is an aromatic polycarbonate-styrene polymer resin composition comprising (A) an aromatic polycarbonate, (B) a specific rubber-modified styrene polymer and (C) a compatibility agent which is a copolymer containing an aromatic vinyl monomer and which has a non-uniform distribution with respect to the proportions of component monomers constituting the copolymer, so that the copolymer comprises copolymer molecules having different solubility parameter (SP) values, wherein the difference in SP value between the copolymer molecule having a maximum SP value and the copolymer molecule having a minimum SP value is from 0.3 to 1.0 ?(cal/cm.sup.3).sup.1/2 !, and wherein the copolymer has an average SP value of from 10.6 to 11.0 ?(cal/cm.sup.3 ).sup.1/2 !.

Abstract: Thermoplastic resin compositions consisting of 1 to 40 wt % a polyether ester amide (A) and 99 to 60 wt % of at least one thermoplastic resin (B) selected from styrene based resins, further containing (C) 0.1-10% of a modified vinyl polymer containing carboxyl groups, are permanently antistatic, excellent in mechanical properties represented by impact resistance, heat resistance moldability and also in the appearance and gloss of the moldings, and suitable for housings of optical or magnetic recording media.

Abstract: A thermoplastic synthetic resin, especially high-density polyethylene, has its diffusion coefficient especially for hydrocarbons, reduced by the addition of 2 to 8% by weight of an additive consisting essentially of at least one phenoxy resin, and at least one further component selected from the group which consists of at least one radical forming agent and at least one graft coploymerization catalyst, and optional quantities of an antioxidant selected from the group which consists of at least one phenolic antioxidant, at least one phosphitic antioxidant and mixtures thereof, at least one organosilane ester, at least one UV stabilizer, at least one antistatic composition, and polypropylene.

Abstract: The present invention provides a polyamide resin composition which has low water absorption and simultaneously has satisfactory combustion properties. Illustrative compositions contain 20-80 parts by weight of polyamide resin and 80-20 parts by weight of polyphenylene ether resin or a mixture of this resin and polystyrene resin, as well as 0.01-10 parts by weight of a compatibilizer, 1-50 parts by weight of an uncured phenol novolak resin, and 0-80 parts by weight of a rubber component wherein the weights of the compatibilizer, uncured phenol novolak resin and rubber component is based on a total of 100 parts by weight of polyamide and polyphenylene ether resins.

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: Urethane-modified novolaks which are prepared by simultaneous reaction of a monohydric or polyhydric phenol (A) with an oxo compound (aldehyde or ketone) (B) and a urethane (C) in the presence of an acidic catalyst (D) at an elevated temperature of 60.degree. to 200.degree. C. and contain no interfering amounts of free starting phenol, and their use as adhesion improvers in rubbers, in particular rubbers containing reinforcing media such as steel cord or textile fibers.

Abstract: This invention provides the following resin composition, method for producing the composition, resin slide material, organic solvent resist material and glass fiber reinforced composition obtained therefrom. A polycarbonate/polyolefin based resin composition exhibiting an improved polycarbonate/polyolefin compatibility prepared by melt kneadin (A) a polycarbonate resin; (B) a polyolefin resin; (C) a polyolefin resin that has been modified with at least one functional group selected from the group consisting of epoxy, carboxyl, and an acid anhydride groups; (D) a compound represented by the formula: HOOC--R--NH.sub.2 wherein R represents at least one member selected from the group consisting of an alkene group, an alkylidene group, and an oligomethylene group containing 5 or more carbon atoms, and phenylene group and naphthylene group optionally substituted with an alkyl group; and optionally, (E) a styrene copolymer resin.

Abstract: Disclosed are thermoplastic resin compositions having improved heat resistance, e.g., IR soldering and HDT; increased ductility and flowability; and reduced flash. In particular, the thermoplastic resin compositions have at least one high heat amorphous resin, at least one polysulfide; and, optionally, at least one reinforcing filler and/or at least one polyolefin and/or at least one polyolefin compound and/or at least one polyepoxy compound. The high heat amorphous resin is preferably a polyetherimide and the polyolefin is preferably a high crystalline polyethylene. The compositions of the invention are particularly well suited for preparing no flash high heat electrical connectors.

Abstract: Compositions are provided which comprise a poly(phenylene ether) resin, a poly(arylene sulfide) resin and an ortho ester compound. The compositions can further comprise compatibilizing agents and reinforcing fillers to provide compositions that exhibit low flash molding characteristics. Articles molded from these compositions are useful in the electrical connector industry.

Abstract: Thermoplastic resin compositions consisting of 1 to 40 wt % a polyether ester amide (A) and 99 to 60 wt % of at least one thermoplastic resin (B) selected from styrene based resins, further containing (C) 0.1-10% of a modified vinyl polymer containing carboxyl groups, area permanently antistatic, excellent in mechanical properties represented by impact resistance, heat resistance moldability and also in the appearance and gloss of the moldings, and suitable for housings of optical or magnetic recording media.

Abstract: The present invention relates to a shaped article of a liquid crystalline polymer containing (A) 100 parts by weight of a liquid crystalline polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) 0.01 to 2 parts of an olefinic polymer and having a retention rate of a weld strength of 15% to 100%, which has excellent heat stability, mechanical properties, dimensional stability and mold releasability and is suitable for various application uses such as electrical and electronical related devices, accurate machine related devices, office related devices, automobile related parts.

Abstract: A method for making an impact modified thermoplastic resin composition includes combining an glycidyl ester impact modifier with a polycarbonate resin to form a glycidyl ester impact modifier-polycarbonate resin blend and then combining the glycidyl ester impact modifier-polycarbonate resin blend with a polyester resin to provide the impact modified thermoplastic resin composition. Articles molded from the impact modified thermoplastic resin composition made according to the method exhibit high impact resistance and improved surface appearance.

Abstract: The present invention relates to a composition used for hydrophilization, which comprises:(A) a compound having a polyoxyalkylene chain, and(B) hydrophilic crosslinked polymer fine particles made of a copolymer composed of:2-50% by weight of (a) a hydrophilic monomer having a polymerizable double bond and a polyoxyalkylene or polyvinylpyrrolidone chain,20-97% by weight of (b) a (meth)acrylamide type monomer,1-30% by weight of (c) a crosslinkable unsaturated monomer,2-50% by weight of (d) a carboxyl group-containing polymerizable unsaturated monomer, and0-50% by weight of (e) a monomer having one polymerizable unsaturated group in the molecule, other than the monomers (a), (b), (c) and (d).Said composition can form a hydrophilic film superior in retention of hydrophilicity, stability and press formability, on, for example, the surfaces of heat exchanger fins.

Abstract: A blend of polycarbonate and a homogeneously branched, linear ethylene polymer, which blend has a desirable balance of impact resistance and toughness properties.

Abstract: Thermoplastic molding materials containA) from 1 to 99% by weight of a partly aromatic copolyamide composed ofa.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,a.sub.2) from 6 to 25 mol % of units which are derived from isophthalic acid,a.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine anda.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms,the molar percentages of components a.sub.1) to a.sub.4) together giving 100%,B) from 1 to 99% by weight of an aromatic polycarbonate,C) from 0 to 30% by weight of a polymeric component having OH groups,D) from 0 to 60% by weight of fibrous or particulate fillers or of a mixture thereof,E) from 0 to 40% by weight of rubber impact modifiers andF) from 0 to 40% by weight of conventional additives and processing assistants.

Abstract: To provide a thermoplastic resin composition which comprises a fluorine-containing polymer having a molecular weight of 5.times.10.sup.2 to 5.times.10.sup.5 and 2.times.10.sup.2 to 1.times.10.sup.5 methylol groups per 1.times.10.sup.6 carbon atoms at its molecular chain ends and a liquid crystal polyester or in addition a perfluoro type resin having less than 2.times.10.sup.2 methylol groups mentioned above, and has improved shrinkage from mold dimensions and dimensional stability represented by a coefficient of linear expansion with maintaining excellent characteristics of the fluorine-containing resin, such as thermal resistance, chemical resistance, weather resistance, surface properties (non-stickiness, excellent friction property), antisoil property and dielectric property.

Abstract: There are disclosed a styrenic resin composition which comprises 1 to 95% by weight of a (a) styrenic polymer having syndiotactic configuration (SPS) or modified SPS; 1 to 95% by weight of a (b) thermoplastic resin having a polar group; 1 to 50% by weight of a (c) rubbery elastomer having an affinity for the component (a); and 0.1 to 10% by weight of a (d) compatibilizer having a polar group, a styrenic resin composition same as above except that the component (c) has a polar group capable of reacting with the component (b) as well as an affinity for the component (a) and a styrenic resin composition further comprising 1 to 350% parts by weight of an (e) inorganic filler based on 100 parts by weight of the above resin components. According to the present invention, there are obtained styrenic resin compositions that are well suited for various industrial materials and excellent in rigidity, heat resistance, impact resistance and water resistance.

Abstract: A resin composition which has improved resistance to yellowing due to light without loss of the superior characteristics of polyphenylene ether polyamide resins comprises(A) a polyphenylene ether resin,(B) a polyamide resin,(C) a styrene thermoplastic resin,(D) a pigment;wherein the styrene thermoplastic resin and the pigment are dispersed in the polyphenylene ether resin and the polyphenylene ether resin is a particulate dispersion in the polyamide resin. The composition may further comprise a rubber polymer wherein the rubber polymer is dispersed in the polyphenylene ether resin.

Abstract: Improved thermoplastic compositions that are resistant to die beard growth are described herein, comprising poly(phenylene ether) resins, polyamide resins and an amount of a beard growth reducing agent selected from the group consisting of non-elastomeric polyolefin resins, partially fluorinated polyolefins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefins, effective for inhibiting beard growth. The compositions may further comprise at least one impact modifier, flow promotor or filler.

Abstract: The phenolic resin curatives used as a curative in thermoplastic elastomers are attributed with staining of painted surfaces which physically contact the thermoplastic elastomers. When the phenolic resin curatives are esterified (e.g., acetylated, tosylated, silylated or phosphorylated) before use as a curative, the amount of staining is reduced or staining is eliminated.

Abstract: The present invention provides a polymeric composition including a blend of at least two different polymers selected from the group consisting of polystyrene, polycarbonate, polyetherimide, polyolefin, polysulphone, polyethersulphone, polyacetal, nylon, polyester, polyphenylene sulphide, polyphenylene oxide and polyetheretherketone and at least one elastomer having a tensile modulus less than about 50,000 p.s.i. Alternatively or additionally, the elastomer may be functionalized to graft with at least one of the polymers. The present invention also provides a method of making a tribological wear system by melt-mixing the polymeric composition to improve the wear resistance of a polymeric composite whose surface bears against another surface, thereby causing friction and wear of the polymeric composite.

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: Compatibilized blends of poly(phenylene ether) resins and polyester resins are provided from nucleophile containing poly(phenylene ether) resins and polyester resins and compatibilizer compounds to afford articles having good impact, ductility and tensile properties. The compositions may further comprise impact modifiers, metal salts, reinforcing agents, flame retardants and flow promoters. Articles made from the compositions are useful for automotive components. Polymers chain extended with multifunctional orthoesters are claimed.

Abstract: Novel modified polyphenylene ether-polyamide compositions comprising polyphenylene ether, polyamide and a polycarboxylic acid and the reaction product thereof and an improved process for preparing the same.

Abstract: Novel modified polyphenylene ether-polyamide compositions comprising polyphenylene ether, polyamide and a polycarboxylic acid and the reaction product thereof and an improved process for preparing the same.

Abstract: Compatibilized blends of poly(phenylene ether) resins and polyester resins are provided from nucleophile containing poly(phenylene ether) resins and polyester resins and compatibilizer compounds to afford articles having good impact, ductility and tensile properties. The compositions may further comprise impact modifiers, metal salts, reinforcing agents, flame retardants and flow promoters. Articles made from the compositions are useful for automotive components.

Abstract: A blend of polycarbonate and a homogeneously branched, linear ethylene polymer, which blend has a desirable balance of impact resistance and toughness properties.

Abstract: A wear-resistant solid fluoropolymer composition, e.g. of homo- and copolymers of tetrafluoroethylene (TFE), which has an extremely low coefficient of friction in dry sliding contact with metal, without the application of additional fluid lubricant, which composition comprises: a) a fluoropolymer, b) a poly(arylene sulphide) and c) another high aromatic polymer; and a process for preparing the foregoing solid fluoropolymer composition.