Abstract: Scrap sheet floor covering is recovered for reuse through the use of a Banbury mixer. The mixer grinds pre-diced scrap and abrades away asbestos filler backing material from the vinyl wear layer material. Binder scrap or virgin resin and plasticizer is added to convert the scrap sheet floor material to a raw material for use in manufacturing fiber filled vinyl tile.

Abstract: 6-Nylons and 12-nylons having primary amino end-groups and an average degree of polymerization of about 5-60 are grafted onto elastomeric trunk polymers having anhydride groups, vicinal carboxylic groups, or carboxylic groups adjacent to alkoxycarbonyl groups by heating a mixture of the nylon and the trunk polymer, preferably under high shear conditions for about 1 minute or less to 30 minutes or more above the melting temperature of the nylon. The resulting elastomeric graft polymers are suitable for fabricating into a variety of articles, such as, for example, wire jacketing, hose, belts, seals, gaskets, and low pressure tires.

Abstract: There is disclosed, as a composition of matter, a new, high melting N,N'-terephthaloyl bis-phthalimide, a method for its preparation employing as a solvent a high boiling aromatic or aliphatic-aromatic ether or a mixture of a high boiling aromatic or aliphatic-aromatic ether and a low boiling cyclic or aliphatic ether and the use of said new, high melting N,N'-terephthaloyl bis phthalimide as an ester interlinking agent for polyester.

Abstract: Block copolymers can be prepared by reacting a polyester resin or a polyol with a hydroxyl or carboxyl functional mercaptan and subsequently reacting the mercapto-blocked polyester or polyol in the presence of peroxygen-type or azo-type catalyst, with selected alpha, beta-ethylenically unsaturated monomer(s), such as diacetone acrylamide, acrylic acid, methacrylic acid, ethyl acrylate, butyl acrylate, styrene, methyl methacrylate, methacrylonitrile and the like. Such block copolymers provide for coating compositions having physical properties which provide for useful protective and decorative films.

Abstract: A composition is prepared which is useful in wire enamel, comprising (1) a water soluble polyester which is a condensation product of (a) a tribasic carboxylic acid, (b) an aliphatic or aromatic dicarboxylic acid and (c) a dihydric alcohol, (2) hydroxylmethylated diacetone acrylamide as a crosslinking agent and a water soluble organic titanate.This application is a division of application Ser. No. 536,963, filed Dec. 27, 1974, now U.S. Pat. No. 3,974,115, which in turn is a continuation-in-part of application Ser. No. 311,701 filed Dec. 7, 1972.

Abstract: A vinyl chloride resin composition consisting essentially of a vinyl chloride polymer or copolymer of 70% or more by weight vinyl chloride and 30% or less by weight of one or more monomers copolymerizable therewith and a graft copolymer prepared by graft copolymerizing one or more monomers selected from alkyl methacrylate, vinyl aromatic compound and unsaturated nitrile, in the presence of an aqueous dispersion of alkyl acrylate elastomer obtained by copolymerizing an allyl ester of vinyl or vinylidene unsaturated alpha-carboxylic acid and alkyl acrylate.

Abstract: A segmented, branched thermoplastic copolyester containing intralinear long chain and short chain ester units is produced at a high rate if such production takes place in the presence of a critical amount of a branching agent, said branching agent having the general formula (HO).sub.a X (COOH).sub.b and having a molecular weight of about 92 to 5000, wherein X is a polyfunctional radical, a = 0-6, b = 0-4 and a + b = 3-6.

Abstract: An improvement in a process for coating a substrate by a powder coating process wherein a polyester powder is applied to said substrate which improvement comprises using as the polyester powder a partially crystalline powder of a polyester condensation product of an acid component comprising an acid or ester of at least terephthalic acid and a diol component at least 50 molar percent of which is 1,4-butanediol; a polyester coating powder which is a partially crystalline polyester of an acid component at least part of which is an acid or ester of terephthalic acid and a diol component at least 50 molar percent of which is 1,4-butanediol, said powder having a glass transition temperature between -20.degree. and +50.degree. C., measured as the attenuation maximum in accordance with Deutsche Industrie Norm 53,445 a reduced n.sub.red viscosity of at least 0.

Abstract: A process for the production of linear fiber-forming polyesters, especially polyethylene terephthalate, wherein vaporous reaction products are separated in an improved manner by suction withdrawal from the polymerization reactor through the action of a fluid vacuum jet or aspirator which is supplied with recirculated glycol vapor as the propellant or jet fluid for the aspirator and also by further suction through the action of a recirculated glycol liquid operating a liquid circulating vacuum pump in a final separation of non-condensable gases such as nitrogen from residual condensable vapors. The process is especially useful in preventing the discharge of the vaporous by-products into the surrounding environment during the production of the polyester product.

Abstract: The invention relates to the manufacture of urea-formaldehyde condensation polymers containing sulpho groups. The starting material is a urea-formaldehyde precondensate, and a condensation polymer of naphthalenesulphonic acid and formaldehyde is used as the acid catalyst for the subsequent polycondensation of the urea-formaldehyde precondensate. The peculiarity of this polycondensation is that the condensation catalyst is incorporated into the polymer structure of the UF polymer.The products obtained according to the invention are distinguished by improved surface affinity coupled with interparticle porosity. They can be used as fillers, as adsorbents, as carriers and as thickeners.

Abstract: Catalyst-inhibitor system for the polymerization of poly(ethylene terephthalate) having excellent properties for fabrication of fibers and films. The catalyst-inhibitor system comprises a combination of organic or inorganic salts of manganese and cobalt; titanium alkoxides; an antimony compound; and a phosphate ester. This invention also is directed to an improved method of preparing synthetic linear polyesters utilizing the new catalyst-inhibitor system.

Abstract: Solid state polymerization of relatively low I.V. polyester using an organic crystalline anti-stick agent having a melting point of at least 230.degree. C.

Abstract: An antistatic synthetic polymer having a T.sub.g (NMR) of less than 25.degree. C., a log R.sub.s of less than 10 and containing phosphonium sulfonate groups can be used to improve the conductivity of synthetic fiber-forming polymers.

Abstract: Conductive compositions useful in imparting antistatic properties in filaments and other articles are provided, which comprise N-alkyl polycarbonamides, polyesters or polyetheresters having a Tg (NMR) less than 25.degree. C and from 0.02 to 35 weight percent of a phosphonium salt of a phosphonate, phosphinate, or sulfonate.

Abstract: New linear copolyesters containing amide groups are obtained by polycondensing certain dicarboxylic acid diamides which are obtained by reaction of 1 mol of an aromatic, cycloaliphatic or cycloaliphatic-aliphatic diamine with 2 mols of terephthalic acid, isophthalic acid or their polyester-forming derivatives, together with terephthalic acid, isophthalic acid or their polyester-forming derivatives and with alkanediols to a relative viscosity greater than 1.2. The new copolyesters containing amide groups are valuable engineering thermoplastic materials which are easily processible and give moulding materials with good thermo-mechanical properties.

Abstract: Preparation of polyesters, particularly homopolymeric trimethylene 2,5-dibromoterephthalate, by reacting alpha, omega alkylene glycol with dimethyl 2,5-dibromoterephthalate in presence of catalytic amounts of calcium alkanoate and titanate catalyst.

Abstract: Water-wettable anhydrous products, such as the powders and creams used in cosmetic and drug products, are admixed with 20% to 60% by weight, based on the weight of the total formulation, of a powdered polyethylene or powdered polypropylene polymer, to improve wettability characteristics. Denture adhesive powders prepared from an anionic/cationic adhesive combination, together with the powdered polyethylene or polypropylene polymer display particularly improved properties. The polyethylene or polypropylene polymer may also be admixed with other anhydrous products including dentifrices, vaginal powder sprays, and the like. Low molecular weight polyethylene powder, with an average molecular weight of from 1,000 to 3,500, is suitable for use in products of the invention. For the polypropylene, a molecular weight of from 120,000 to 350,000 is specified. The powdered polymers have a particle size of less than 422 microns.

Abstract: An aqueous dispersion of 1 - 300 parts by weight of an olefin-acrylate copolymer, said olefin having 3 to 20 carbon atoms, in 100 parts by weight of water, the dispersion optionally containing a surface active agent in a proportion of 0.1 to 20 parts by weight per 100 parts by weight of the copolymer, in which dispersion the copolymer forms substantially the dispersed phase and the water forms the continuous phase. Said dispersion can be used in paints, fiber-treating agents, paper-treating agents, leather-treating agents and adhesives, and forms a film having excellent resistance to alkali, water, weathering and heat. The above copolymer is preferably an alternating copolymer although it may be a random copolymer.

Abstract: An alkali metal hydrogen monoglycolphosphate is added to the reaction product of diethylene glycol and dimethyl terephthalate to arrest the ester-interchange reaction and nullify the action of the divalent metal salt catalyst. These phosphates are easy to handle and convert the catalyst to an inactive compound which does not adversely affect subsequent polycondensation of the diethylene glycol terephthalate.

Abstract: Unsaturated, linear polyesters having flame-retarding properties are obtained by polycondensing unsaturated dicarboxylic acids, optionally mixed with aromatic dicarboxylic acids and aliphatic diols, with brominated and/or chlorinated 1,3-di-(hydroxyalkyl)-benzimidazolone compounds. The new, unsaturated polyesters can be polymerized easily, also when mixed with other polymerizable monomers, and give moulding materials having flame-retarding properties.