Abstract: This invention is directed to a non-halogen flame retardant thermoplastic molding composition having in combination a high molecular weight linear polyester and a non-halogen flame retardant. The flame retardant may be either a copolymer of polyetherimide-organopolysiloxane or a blend thereof with a polyphenylene sulfide, and/or a polyetherimide. The molding composition of the invention may also contain a filler.

Abstract: Disclosed are flame retardant poly(butylene terephthalate) resins comprising:(i) at least one polyester resin; and(ii) a flame retardant effective amount of a mixture comprising (a) a polyphosphonate ester, (b) an ammonium polyphosphate, and (c) a halogenated benzosulfonate.

Abstract: Flame retardant polyester compositions exhibiting good processability comprising at least one polyester resin and a flame retardant additive comprising a halogenated polycarbonate resin and an antimony compound in a polyetherimide ester elastomer resin carrier.

Abstract: This invention relates to thermoplastic molding compositions, particularly thermoplastic polyesters, having incorporated therein a fluorinated polyolefin to improve wear resistance. More particularly, disclosed are polyester compositions having improved wear resistant good properties comprising a polyester resin, most preferably a poly(butylene terephalate) resin; a fluorinated polyolefin compound and a hindered phenolic compound and an ester compound, the last two components serving as a migrator package that serves to push a disproportionate amount of the fluorinated polyolefin within the subsurface of the resulting composition to thereby augment the wear resistant effect of the fluorinated polyolefin.

Abstract: Novel thermoplastic elastomeric molding compositions having excellent physical properties, which comprise a polyetherimide ester elastomer modified with a modifier composition comprising (i) at least one olefin acrylate copolymer; or (ii) at least one ethylene vinyl acetate copolymer; or a combination of (i) and (ii).

Abstract: Disclosed are thermoplastic polyester composition that display increased resistance to warpage. The compositions are comprised of at least one polyester resin modified with a warpage control agent, said warpage control agent being a high molecular weight polyetherimide ester elastomer. The resulting composition is preferably reinforced with glass fibers.

Abstract: The melt flow of polycarbonate resin molding compositions is improved by the addition of an ethylene-vinyl acetate copolymer, without adversely affecting the impact strength of articles molded from the improved composition.

Abstract: A composition comprisinga. a major amount of an aromatic carbonate polymer;b. a minor amount of an aromatic carbonate polymer impact modifying composition comprising(i) a linear, sequential, or radial teleblock copolymer resin of a vinyl aromatic compound (A).sub.n and (A').sub.n and an olefinic elastomer (B), of the A--B--A'; A--(B--A--B).sub.n --A; A(--BA).sub.n B; B(A).sub.4 B; B(A).sub.4 ; or B((AB).sub.n B).sub.4 type, wherein n is an integer of from 1 to 10;(ii) an olefin alkylacrylate wherein the alkyl is one to six carbon atoms and the olefin is two to about five carbon atoms, inclusive, the olefin being from about 55 to 75 weight percent and the alkylacrylate from about 25 to 45 weight percent of the olefin alkylacrylate, said olefin alkylacrylate bringing about increased resistance of the composition comprising a and b to environmental stress crazing and cracking caused by gasoline.

Abstract: A composition comprising an admixture of:(a) at least one high molecular weight aromatic carbonate resin; and(b) an impact modifying, gasoline solvent resistant effective amount of an ethylene alkylacrylate wherein alkyl is from one to six carbon atoms, inclusive, and the ethylene is from about 55 to 75 weight percent aand the alkylacrylate is from about 25 to 45 weight percent, based on the ethylene alkylacrylate polymer.

Abstract: A composition comprising an aromatic polycarbonate in admixture with a diatomaceous earth, the said diatomaceous earth having a major quantity of cristabolite, the quantity of diatomaceous earth such that the kinetic coefficient of friction is substantially decreased when a self supporting film is prepared from the composition.

Abstract: A composition comprising(a) a major quantity of aromatic polycarbonate;(b) a minor amount of a polyalkylene terephthalate wherein the alkylene group is from 2 to about 10 carbon atoms, and is present in such quantities so as to substantially reduce the DTUL of the polycarbonate;(c) an effective amount of a combination of impact modifier and gloss suppressant selected from an olefin diene copolymer and an acrylonitrile-butadiene-alkenylaromatic copolymer; and(d) an effective amount of flame retardant system to maintain a VO rating for a 1.6 mm sample under UL 94 test conditions wherein the overall composition has a DTUL in .degree.C. of less than or equal to 115.degree. C., a 3.2 mm Notched Izod impact resistance in kilograms f-cm per cm of at least about 10, a surface gloss as measured with a Hunter Lab's gloss meter at 60.degree. reflection of less than or equal to about 80 and a VO rating for a 1.6 mm sample under UL test conditions.

Abstract: Thermoplastic molding composition of a polycarbonate and a linear low density polyethylene wherein a C.sub.4 -C.sub.7 alpha-olefin is the comonomer.

Abstract: A resin composition exhibiting improved resistance to environmental stress crazing and cracking comprising:(i) a blend containing at least one aromatic carbonate resin and at least one grafted derivative of an ethylene-propylene-diene terpolymer; and(ii) an amount effective to improve the resistance to stress crazing and cracking of said blend of at least one multiphase acrylic interpolymer of a first elastomeric phase comprising an acrylic rubber and a rigid thermoplastic final phase.

Abstract: Articles of blow-molded polycarbonate resins are described, having improved flexural modulus. The method of improvement comprises the incorporation of mica particles or glass fiber into the blow-moldable resin as a reinforcing filler. Advantageously the incorporation does not significantly adversely affect the blow-moldability of polycarbonate resins.

Abstract: A resin composition comprising:(i) a blend of at least one aromatic carbonate resin and at least one grafted derivative of an ethylene-propylene-diene terpolymer; and(ii) an amount at least effective to improve the impact properties and resistance to organic solvents of said blend of at least one polymer selected from(a) a polyolefin,(b) an olefin-acrylate or methacrylate copolymer, or(c) at least one selectively hydrogenated linear, sequential or radial teleblock copolymer of a vinyl aromatic compound and an olefin elastomer.

Abstract: A glass free copolyester-carbonate composition exhibiting improved resistance to mild organic solvents comprising, in admixture:(i) at least one high molecular weight thermoplastic aromatic copolyester-carbonate resin containing from about 25 to about 90 mole percent ester bonds;(ii) at least one amorphous polyester resin containing the reaction products of(a) at least one polyol selected form 1,4-cyclohexanedimethanol or a mixture of 1,4-cyclohexanedimethanol and ethylene glycol, and(b) at least one aromatic dicarboxylic acid or its ester forming reactive derivative selected from isophthalic acid, terephathalic acid, or mixtures thereof; and(iii) at least one polymer selected from(a) an olefin acrylate copolymer,(b) a polyolefin, and(c) an olefin diene terpolymer;components (ii) and (iii) being present in amounts at least effective to impart to said composition a resistance to mild organic solvents greater than that possessed by said copolyester-carbonate resin.

Abstract: A composition comprisinga. a major amount of an aromatic polycarbonate;b. a minor quantity of a polyester selected from polyalkylene terephthalate and polycycloalkylene terephthalate, isophthalate or a mixture of the two acids;c. a minor quantity of an elastomeric acrylate copolymer with a second order transition temperature, Tg, of less than -10.degree. C. and phenoxy resin effective to significantly maintain the impact strength and ductility at break after exposing a stressed part to brake fluid comprising alcohols and ethers.

Abstract: A resinous composition exhibiting improved thick section impact strength and improved resistance to organic solvents comprising, in physical admixture:(i) a blend containing at least one aromatic carbonate resin and at least one grafted derivative of an ethylene-propylene-diene terpolymer; and(ii) an amount effective to improve the thick section impact strength and resistance to organic solvents of said blend of at least one ethylene-propylene-diene terpolymer.

Abstract: An improved aromatic carbonate resin film forming composition exhibiting improved kinetic coefficient of friction comprising, in physical admixture, at least one aromatic carbonate resin and glass particles, the improvement comprising said composition containing at least one fatty acid in an amount effective to reduce the kinetic coefficient of friction of said carbonate resin.

Abstract: A multilayered structure comprising (a) at least one layer comprised of at least one aromatic polyether imide resin, and (b) at least one layer comprised of a modified aromatic polycarbonate resin containing composition. In the instant structure the layer comprised of the aromatic polyether imide resin is adjacent and to and adhered to the layer comprised of the modified aromatic polycarbonate composition.