Abstract: An improved fire retardant polyester polymer system and composition comprising an interpolymer of a reaction product of hexachlorocyclopentadiene, a polyhydric alcohol, a carboxylic acid containing aliphatic carbon-to-carbon unsaturation, a styrene-type monomer, maleic acid or anhydride and a copolymerizable brominated neopentylacrylate comonomer.

Abstract: An unsaturated polyester resin composition which is obtained by incorporating a thermoplastic random-copolymer having peroxycarbonate groups in the molecule thereof into an unsaturated polyester resin, which composition is excellent in low shrinkage characteristics and it is not weakened in mechanical strength.

Abstract: Unsaturated polyester resin compositions that have a low shrinking property, and at the same time, an enough strength are provided. The compositions comprises (1) 30-70 parts by weight of an unsaturated polyester obtained by reacting terephthalic acid and/or isophthalic acid and one or more of unsaturated acids selected from the group consisting of maleic anhydride, maleic acid and fumaric acid, with a glycol, and having the unsaturation degree of 1.5-5.0 and the acid value of 18-40, (2) 70-30 parts by weight of .alpha.,.beta.-ethylenically unsaturated monomer, and (3) 5-30 parts by weight of a thermoplastic resin having the number average molecular weight of 5,000-500,000.

Abstract: A resin molding composition comprising a thermoplastic polymer, a monomer and an unsaturated polyester which is the reaction product of at least one polyol having at least two, but not more than four hydroxyl groups, the polyols comprising not less than about 48% of the weight of the reactants forming the polyester.

Abstract: Hot melt adhesive compositions having low melt viscosity and high adhesive strength are disclosed. The compositions include polyesters comprising 1,6-hexanediol and terephthalic acid, blended with a polymeric material comprising a vinyl aromatic polymer derived from a monomer of the formula ##STR1## wherein R is hydrogen or an alkyl group containing 1 to 4 carbon atoms and R.sub.1 is hydrogen, chlorine, alkyl from 1 to 4 carbon atoms or phenyl.

Abstract: A low shrink unsaturated polyester based upon propylene glycol terephthalate reacted with a dibasic acid or anhydrides thereof and glycols.

Abstract: An intimate polyblend of about 5-90% by weight of a thermoplastic copolyester or block copolyester elastomer and about 95-10% by weight of a vulcanizable synthetic or natural rubber. The preferred copolyester is a copolyester of polybutylene terephthalate and the prefered block copolyetherester is polybutylene terophthalate-poly (tetramethylene oxide) glycol block copolyester. These polyblends can be vulcanized to elastomeric molded articles which exhibit an excellent oil and oxygen/ozone resistance even at elevated temperatures, a high impact strength, an increased scuff resistance and an improved flexibility at low and high temperatures. The vulcanized molded articles also have an improved adhesive property with polyester fibers or fabrics.

Abstract: The disclosure of this application is directed to unsaturated polyester compositions, containing as a low-profile additive a carboxyl containing thermoplastic polymer of a vinyl ester of an aliphatic, saturated monocarboxylic acid, which have particular utility in molding applications to form aesthetically attractive thermoset articles characterized by excellent physical properties, as for example, impact strength and by excellent surface properties such as excellent smoothness and gloss, excellent receptiveness to paints and excellent reproduction of the surface contours of the mold in which they are formed into shaped, thermoset articles.

Abstract: The disclosure of this application is directed to unsaturated polyester compositions, containing a thermoplastic terpolymer of a vinyl halide monomer, a vinyl ester of a saturated, monocarboxylic acid and as the third component, an unsaturated, dicarboxylic acid or anhydride thereof; or as the third component, a glycidyl ester of an unsaturated, monocarboxylic acid, which can be pigmented with organic and/or inorganic pigments and molded into shaped, thermoset articles such as housings for telephones, automobile heater ducts and the like which are characterized by excellent surface characteristics and color properties.

Abstract: Block copolyesters and block copolyesterurethanes are presented which are useful as plastifiers for PVC. The plastifiers, depending on process variations, contain ordered or random blocks of amorphous and semi-crystalline structure and are characterized as being highly compatible and substantially non-fugitive when blended with PVC.

Abstract: A vinyl monomer is copolymerized with a multifunctional monomer having one vinyl group and one or more allyl groups whereby the resulting copolymer has active pendant allyl groups. This copolymer is then crosslinked with a polyester. The resulting product has improved thermal dimensional stability and physical properties over those containing simple non reactive thermoplastic additives.

Abstract: Glass-reinforced polyester molding compositions when mixed with lactone polymers and vinyl chloride polymers as additives afford molding compounds with greater shrinkage control and molded parts with smoother surfaces.

Abstract: Molding compositions comprising terminally unsaturated polyesters, vinyl or vinylidene compounds copolymerizable therewith and elastomeric polymers have an excellent impact strength and a good heat distortion temperature, strength and rigidity.

Abstract: Block polymers containing an hydroxyalkyl phthalate ester as one of the constituent blocks and a copolymer of tetrahydrofuran and one or more alkylene oxides as one or more of the other constituent blocks are useful in preparing polyurethanes and polyesters.

Abstract: Compositions comprising vinyl chloride polymers and from 10 to 25 wt % of a cross-linked, aliphatic polyester elastomer, said polyester elastomer being produced by preparing a cross-linked latex of the polyester.

Abstract: A flame-retarding thermoplastic polyester resin composition comprising (1) a polyester obtained from a terephthalic acid or an alkyl ester thereof and a glycol having 2 to 4 carbon atoms, (2) an organohalogen compound, (3) an inorganic flame-retarding supplementary agent, and (4) at least one polymer selected from a saponified polyvinyl acetate having a saponification degree of greater than 50%, an ethylene/vinyl acetate copolymer and a saponified ethylene/vinyl acetate copolymer, and optionally (5) a reinforcing agent; and a process for production thereof.

Abstract: An air drying paint composition comprising a chlorinated polymer selected from the group consisting of chlorinated polydiolefin rubbers and chlorinated polyolefins as at least one ingredient of a binder, said composition further comprising 5 to 100 parts by weight, per 100 parts by weight of the chlorinated polymer, of a cyclopentadiene resin having a softening point of 50.degree. to 160.degree. C. prepared by heat polymerization of 50 to 100% by weight of a cyclopentadiene monomer and 50 to 0% by weight of a comonomer copolymerizable with it.

Abstract: Block copolyesters and block copolyesterurethanes are presented which are useful as plastifiers for PVC. The plastifiers, depending on process variations, contain ordered or random blocks of amorphous and semi-crystalline structure and are characterized as being highly compatible and substantially non-fugitive when blended with PVC.

Abstract: A thermosetting coating or adhesive composition based on (A) at least one component selected from the group consisting of oligomeric and polymeric compounds containing at least one of the functional groups hydroxyl and epoxy groups, and (B) a polycarboxylic acid mixture comprising trimellitic acid and a major amount of at least one compound of one of the formulae ##STR1## wherein R, R' and R'", being the same or different, each represents a di- to hexavalent hydrocarbon radical having a total of from 1 to 12 carbon atoms, said radical containing from zero to 2 olefinic double bonds, said radical without double bonds being interrupted by up to 3 ether bridges:x and y which may be the same or different, each represents an integer of from 2 to 6;t an integer of from 1 to 5; andz and u, which may be the same or different, each represents zero or an integer of from 1 to 5 and a process for coating a substrate with said composition.

Abstract: Polyvinyl halide or polyvinyl graft copolymers intimately mixed with a polyester derived mainly from an halogenated bicycloheptene carboxylic acid or anhydride such as chlorendic acid or anhydride and an alkylene glycol or alkylene oxide such as ethylene oxide are provided. The graft copolymers of the invention are obtained by polymerizing a vinyl halide in bulk in contact with an olefin polymer. The graft copolymer compositions of the invention have good clarity and provide improved processing characteristics and increased impact strength without reduction in heat distortion resulting from the addition of the polyester. The improved impact strength polyvinyl halide compositions of the invention can include blends of the polyester of the invention with modifying compounds, such as alkyl methacrylate-butadiene/styrene graft polymer impact modifiers and halogenated polyvinyl chloride. Blends of vinyl halide polymers with the polyesters of the invention provide compositions having improved processability.

Abstract: Ar-halo-ar(t-alkyl)styrenes, e.g., 2-chloro-4-(t-butyl)styrene, polymerize to form materials having unusually high temperature resistance. Additionally, compositions of such monomers, unsaturated polyesters and free-radical generating catalysts cure at lower temperatures and in less time than similar compositions containing conventional styrene monomers.

Abstract: Filled unsaturated ester bulk molding, sheet molding, premix or mat molding compositions are modified with elastomer to give finished products with both improved impact strength and improved surface characteristics. The elastomeric modifier is selected from the group consisting of chloroprene polymers and hydrocarbon polymers such as ethylene/propylene di-, ter-, or tetrapolymers.