Abstract: Improved stable crosslinked dispersion which is further stabilized with butylated melamine formaldehyde resin. The dispersion to which the improvement of the invention applies is formed by addition polymerization of selected monomers in the presence of an organic liquid which is a solvent for the monomers, but a non-solvent for the polymer and a polymeric dispersion stabilizer having solvated and non-solvated segments.

Abstract: There is provided a novel acrylic two-part adhesive suitable for structural uses composed of a liquid I comprising an acrylic monomer and an organic peroxide and a liquid II comprising an acrylic monomer and a curing accelerator. At least one of the liquid I and II further contains a diene-elastomer, and the liquid I or both the liquids further contain an ion-containing unsaturated polyester. The unsaturated polyester is further characterized in that it has one or more polymerizable or copolymerizable double bonds and its remaining carboxylic group is neutralized with a metal compound, ammonia or an amine.

Abstract: Polyalkylpiperidinesulfonic acid esters of the formulae I and IIB--X--O--SO.sub.2 --A).sub.m (I)(B'--X--O--SO.sub.2).sub.2 A' (II),in which A, A', B, B', X and m are as defined in claim 1, the polyalkylpiperidine group being present in each of the substituents B and B'. These esters are suitable for use as curing catalysts for acid-curable resins and act therein, at the same time, as light stabilizers.

Abstract: Flame-retardant polyester resin compositions are disclosed which have improved mechanical properties, particularly improved impact properties. The compositions comprise a halogen-containing copolymeric polyester resin derived from terephthalic acid or its derivative, an alkylene glycol or its derivative and a halogen-containing aromatic diol, said copolymeric polyester resin being blended with a minor amount of a modified ethylene copolymer derived by graft polymerization of an .alpha.,.beta.-unsaturated carboxylic acid or its derivative on the backbone of ethylene/.alpha.-olefin copolymer, and/or a minor amount of an acrylic rubber.

Abstract: A polyester resin composition comprising:(a) 100 parts by weight of a copolymerized polyester resina with a halogen content of 3 to 15% by weight prepared by copolymerizing terephthalic acid or an ester-forming derivative thereof; an alkylene glycol having 2 to 10 carbon atoms or an ester-forming derivative thereof; and a halogen-containing aromatic diol represented by the general formula: ##STR1## wherein R represents an alkylene of 2 to 4 carbon atoms, X represents a halogen atom, 1 and m each represents an integer of 1 to 4 and p and q each represents an integer of 1 to 10, and(b) 0.1 to 10 parts by weight of an acrylic resin b with a halogen content of not less than 10% by weight prepared by polymerizing a benzyl acrylate or benzyl methacrylate represented by the general formula: ##STR2## wherein Y represents a halogen atom, n represents, an integer of 1 to 5 and Z represents hydrogen or methyl.

Abstract: Particles of two different normally solid materials are caused to react by generating free radicals on the surfaces of at least one of the solids by mechanical working, suitably by comminution, at cryogenic temperatures. At least one of the solids is preferably a polymeric material while the other may be a different polymer, a catalyst, a lubricity enhancing material, a filler, a pigment or the like.

Abstract: A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyanate esters and an amine and mixtures thereof, (b) at least one polymeric material selected from the group consisting of terpolymer of acrylonitrile, butadiene and isoprene, copolymers of acrylonitrile and one of butadiene and isoprene, reaction products of the terpolymer or the copolymer and a compound selected from the group consisting of isocyanate compounds, epoxy compounds, acrylates, methacrylates and unsaturated acid anhydrides and the terpolymer or copolymer modified by introducing methacryloyl group, acryloyl group or acid anhydride moiety thereinto and optionally (c) at least one compound selected from the group consisting of polyfunctional maleimides, prepolymers of the maleimides or coprepolymers of the maleimides and an amine is disclosed.

Abstract: A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyanate ester and an amine and mixtures thereof, (b) at least one polymeric material selected from the group consisting of polybutadiene having molecular weight of 500-1,000,000, reaction products of the polybutadiene and a compound selected from the group consisting of isocyanate compounds, acrylates, methacrylates and unsaturated acid anhydrides and the polybutadiene modified by introducing methacryloyl group, acryloyl group or acid anhydride moiety thereinto and optionally (c) at least one compound selected from the group consisting of polyfunctional maleimides, prepolymers of the maleimides or coprepolymers of the maleimides and an amine is disclosed.

Abstract: A thermosetting binder composition for coating, comprising:(1) A non-acidic resinous saturated compound having a molecular weight of at least 900, and an alcoholic hydroxyl content of at least 0.2 eq./100 g;(2) A non-acidic polyester of a polycarboxylic acid cross-linking agent having more than one .beta.-hydroxyl ester group per molecule, and at least one of components (1) and (2) having an alcoholic hydroxyl functionality of more than 2, and(II) A transesterification-promoting metal salt or complex curing catalyst which is soluble in liquid hydrocarbons.For aqueous compositions, component (I) (1) is preferably a neutralized epoxy resin/amine adduct and component (II) should be insoluble in water; they can be used for cathodic electrodeposition.

Abstract: What are disclosed are polyesteramides prepared by the condensation of dimerized fatty acids having 16-44 carbon atoms with ethylene diamine and with aliphatic co-diamines which are optionally substituted and optionally interrupted by heteroatoms, with diglycolamine, and with aliphatic, cycloaliphatic, aromatic, or araliphatic co-dicarboxylic acids; mixtures of such polyesteramides with copolymers of ethylene and vinyl acetate; and methods for using these polyesteramides or mixtures for the adhesion of organic or inorganic substrates to themselves or to each other, or as sealing compounds.

Abstract: A stable polyol-alkali metal silicate emulsion is produced by mixing an aqueous solution of an alkali metal silicate or alkali metal metasilicate pentahydrate, a liquid polyol and a small amount of a salt of an alkali metal compound and a weak acid while heating the mixture to between 40.degree. C. and 100.degree. C. and agitating until the mixture emulsifies.

Abstract: A flame-retardant, antistatic synthetic polymeric fiber which is the product of the process of coating on said fiber about 1 percent to about 12 percent by weight of a polymer composition which is the reaction product of a cross-linking agent and a polyoxyalkylene compound having as a nucleus a nitrogen containing reactive hydrogen containing compound with a diol which is halogenated.

Abstract: Anti-static polymeric films, fibers and textile yarn produced by process comprising admixing a branched chain, sulfur-containing polyester with a synthetic film- or fiber-forming polymer, extruding said film or textile fiber, and exposing said film or textile fiber to an aqueous solution containing a polyvalent metal ion reactive with the sulfate groups present in said sulfur-containing polyester. The sulfur-containing polyester is thereby fixed within the synthetic film or fiber and is resistant to extraction by water or commonly used dry cleaning solvents.

Abstract: This invention relates to an improved, matured, moldable flame resistant, thermosetting polyester resin system which includes two different polyester resin compositions. One of the resins is a relatively fast reactive resin and generally contains a minor amount of isophthalic acid and a second, slower reactive system devoid of such acid. The resin system includes suitable flame retardant or flame extinguishing compounds including antimony trioxide and a halogenated organic compound. Also present are inert filler materials such as reinforcing fibers or inert, inorganic materials.

Abstract: A flame-retardant, antistatic synthetic polymeric fiber which is the product of the process of dispersing in said fiber about 1 percent to about 12 percent by weight of a polymer composition which is the reaction product of a polyester of a polyoxyalkylene compound having as a nucleus a nitrogen-containing reactive hydrogen containing compound with a reactant selected from the group consisting of at least one of an aliphatic or aromatic diacid, anhydride or acid halide thereof and a diol wherein at least one of said reactant is halogenated.

Abstract: Flame-retardant antistatic polymer additives are provided which inhibit the buildup of electrostatic charges upon the addition of such compositions to synthetic polymeric fibers, i.e., polyamide fibers, and at the same time do not contribute to the flammability characteristics of such polymeric fibers. The flame-retardant antistatic polymer compositions are useful in combinations with fibers such as polyamide, polyester, polyurea, polyurethane, polysulfonamide, polyolefin and polyacrylic fibers. The antistatic effect is obtained by the process of coating the fibers or dispersing in or on the fibers up to about 12 percent by weight of a polymer composition which is the reaction product of:(a) a polyoxyalkylene compound or polyester thereof and(b) at least one reactant selected from the group consisting of (1) a diol, (2) a polyester and (3) an aliphatic or aromatic diacid or derivative of (3), wherein at least one said reactant is halogenated.

Abstract: A composition of matter which is prepared by blended with an unsaturated resin with a block copolymer which is obtained by employing a polymeric peroxide has dispersion stability during long storage found in no conventional one.A hardened moulding product obtained from the aforementioned composition matters is small in its volume shrinkage and exhibit smoothness and gloss to the surface thereof even it is employed after long period storage.

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: Polyarylene ester compositions comprising an intimate admixture of polyarylene ester and up to about 10 weight percent of an elastomeric ethylene 1-alkene copolymer. The compositions possess greatly improved impact resistance and reduced notch sensitivity in comparison with the polyarylene ester and exhibit improved melt flow with minimal loss in flame retardance, heat distortion resistance and tensile properties. The compositions are useful as molding powders and sheet extrusion compounds.

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: Terminally unsaturated liquid epihalohydrin polymers are produced by polymerizing at least one epihalohydrin using acrylic acid or methacrylic acid as a modifier. The polymerization is conducted in the presence of a catalytic amount of a trialkyl oxonium salt of an HMF.sub.6 acid wherein M is an element selected from the group consisting of phosphorus, arsenic and antimony. The polymers are useful as tougheners for unsaturated polyester resin systems.

Abstract: The invention relates to the method for producing internally plasticized poly(vinyl chloride) suitable for the purposes of earth insulation and medical care. The production method according to the invention consists in the polymerization or copolymerization of vinyl chloride in an aqueous dispersion medium in the presence of up to 50 weight %, related to vinyl chloride, of a polymeric plasticizer prepared by polyesterification of dicarboxylic acids and diols. If desired, the polymerization can be carried out also in the presence of up to 12 weight % of alkyl esters of cyanuric acid and/or the copolymer of ethylene with vinyl acetate as the stabilizers of polymer-chain structure. The polymerization is carried out to the conversion of vinyl chloride 55 to 94% at temperature -20.degree. to +80.degree. C. in the presence of an emulsifier and the resulting polymer is isolated and worked up in the known way.

Abstract: Described herein are molding compositions comprising a blend of a polyarylate, a polyester, and at least one thermoplastic polymer selected from the group consisting of an aromatic polycarbonate, a styrene resin, an alkyl acrylate resin, a polyurethane, a vinyl chloride polymer, a poly(aryl ether), a copolyetherester block polymer or a polyhydroxyether. These blends have excellent compatability and can be molded into a variety of articles.

Abstract: Graft copolymers are prepared by the polymerization of an ethylenically unsaturated monomer, or a mixture of such monomers, in the presence of an azo di-ester polyol. Presence of the azo group in the polyol reactant itself serves as a free radical initiator site for the graft copolymerization reaction. The copolymers formed are utilized in the formulation of polyurethane compositions.

Abstract: A photosetting composition useful as a coating varnish comprising a modified, epoxidized butadiene polymer, at least one photopolymerizable monomer and a photosensitizer, the modified, epoxidized butadiene polymer comprising (1) an epoxidized butadiene polymer backbone group, (2) 5 to 50 aromatic or cyclocyclic polybasic carboxylic ester side chain groups per 100 butadiene units, each having at least one acryloyl or methacryloyl terminal group and a linking group formed by a reaction between a carboxylic acid radical in the polybasic carboxylic ester and an epoxy radical in the epoxidized butadiene polymer and, optionally, (3) 0 to 50 phosphoric ester additional side chain groups per 100 butadiene units, each having a linking group formed by a reaction between a hydroxyl radical attached to a P atom in the phosphoric ester and an epoxy radical in the epoxidized butadiene polymer.

Abstract: Condensation polymers or addition polymers which contain sterically hindered polyalkylpiperidine groups are proposed as light stabilizers for plastics. The polymers concerned are relatively low-molecular polymers and a difunctional derivative of a polyalkylpiperidine is additionally used for the manufacture of these. The piperidine radical can be present in the main chain or as a side group of the polymeric stabilizer. Polymeric stabilizers of this type do not tend to migrate out of the plastic or to be removed by extraction; they are therefore very permanent in use.

Abstract: A p-oxybenzoyl copolyester which is flexible and soluble in organic solvents has recurring moieties of the formulas ##STR1## wherein the carbonyl groups of (B) are meta or para to each other and the oxygen atoms of (C) are meta or para to the sulfur atom thereof. Also described are organic solvent solutions of the p-oxybenzoyl copolyesters, molded articles made thereof and flexible coatings of such copolyesters on substrates.

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: Water dispersible oil-modified polyesters and oil-free polyesters are formed by the reaction of aromatic dicarboxylic acids, aliphatic dicarboxylic acids and polyols to form the polyester. In oil-free polyesters, oils of the respective fatty acids are excluded but the other reactants are similar to those employed in the preparation of oil-modified polyesters.

Abstract: Water dispersible oil-modified polyesters and oil-free polyesters are formed by the reaction of aromatic dicarboxylic acids, aliphatic dicarboxylic acids and polyols to form the polyester. In oil-free polyesters, oils of the respective fatty acids are excluded but the other reactants are similar to those employed in the preparation of oil-modified polyesters.