Abstract: Biodegradable polyesteramides as defined in the specification are obtained by reacting a mixture consisting essentially of a1) a mixture consisting essentially of 35 to 95 mol % of adipic acid or ester-forming derivatives thereof, 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof, and 0 to 5 mol % of a compound containing sulfonate groups, a2) a mixture consisting essentially of 95.5 to 0.5 mol % of a dihydroxy compound, 0.5 to 99.5 mol % of an amino-C2-C12-alkanol or an amino-C5-C10-cycloalkanol, 0 to 50 mol % of a diamino-C1-C8-alkane, and 0 to 50 mol % of a 2,2′-bisoxazoline of the formula I  wherein R1 is as set forth in the specification, and a3) 0 to 5 mol %, based on a1), of a compound D as set forth in the specification; and other biodegradable polymers and thermoplastic molding compositions, their manufacture and their use for producing biodegradable moldings, adhesives, foams, and coatings.

Abstract: Biodegradable polyetheresteramides Q1 with a molecular weight (M.sub.n) in the range from 6000 to 80,000 g/mol, a viscosity number in the range from 30 to 450 g/ml (measured in o-dichlorobenzene/phenol (50/50 ratio by weight) at a concentration of 0.5% by weight polyetheresteramide Q1 at 25.degree. C.), and a melting point in the range from 50.degree. to 200.degree. C., obtained by reacting a1) from 95 to 99.9% by weight polyetheresteramide P1, obtained by reacting a mixture ofb1) 20-95 mol % adipic acid or ester-forming derivatives thereof, and5-80 mol % terephthalic acid or ester-forming derivatives thereof, andb2) a mixture of a dihydroxy compound selected from C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,b22) a dihydroxy compound which contains ether functionalities and has the formula IHO--((CH.sub.2).sub.n --O)).sub.m --H Iwhere n is 2, 3 or 4 and m is an integer from 2 to 250, andb23) from 0.5 to 80 mol % of an amino-C.sub.2 -C.sub.12 -alkanol or an amino-C.sub.5 -C.sub.

Abstract: Thermoplastic molding materials containA) 4-94% by weight of a partly aromatic, semicrystalline copolyamide having a triamine content of less than 0.5% by weight and composed of(A.sub.1) 20-90% by weight of units derived from terephthalic acid and hexamethylenediamine,(A.sub.2) 0-50% by weight of units derived from .epsilon.-caprolactam,(A.sub.3) 0-80% by weight of units derived from adipic acid and hexametheylenediamine and(A.sub.4) 0-40% by weight of further polyamide-forming monomers,the amount of components (A.sub.2) or (A.sub.3) or (A.sub.4) or of mixtures thereof being not less than 10% by weight,B) 4-94% by weight of a polyolefin homo- or copolymer or a mixture thereof,C) 2-20% by weight of an adhesion promoter,D) 0-20% by weight of a toughening polymer andE) 0-60 % by weight of additives and processing assistants.

Abstract: This invention deals with novel copolymers having K values from 5 to 80 prepared by the radical polymerization of:(A) 20 to 80 weight percent, based on the total weight of (A) and (B), of at least one olefinic unsaturated polyoxyalkylene alcohol adduct or a polyester alcohol adduct;(B) 80 to 20 weight percent, based on the total weight of (A) and (B), of at least one vinyl monomer selected from the group consisting of N-vinylformamide, N-vinyl-2-pyrrolidone, N-vinyl-piperidone, N-vinyl-2-caprolactam, N-vinylimidazole, N-vinyl-2-ethylene-urea and N-vinyl-2-propylene-urea;(C) 0 to 40 parts by weight of glycidyl acrylate and/or glycidyl methacrylate;(D) 0 to 10 parts by weight of at least one .alpha.,.beta.-monoolefinic unsaturated acid; and(E) 0 to 30 parts by weight of at least one olefinic unsaturated carboxylic acid amide and or carboxylic acid ester and/or styrene;whereby the parts by weight of (C), (D) and (E) are each based on 100 parts by weight of monomers (A) and (B).

Abstract: This invention deals with novel copolymers having K values of from 5 to 80 prepared by the radical polymerization of:(A) 20 to 80 weight percent, based on the total weight of (A) and (B), of at least one olefinic unsaturated polyoxyalkylene alcohol adduct or a polyester alcohol adduct;(B) 80 to 20 weight percent, based on the total weight of (A) and (B), of at least one vinyl monomer selected from the group consisting of N-vinylformamide, N-vinyl-2-pyrrolidone, N-vinyl-piperidone, N-vinyl-2-caprolactam, N-vinylimidazole, N-vinyl-2-ethylene-urea and N-vinyl-2-propylene-urea;(C) 0.05 to 40 parts by weight of glycidyl acrylate and/or glycidyl methacrylate;(D) 0 to 10 parts by weight of at least one .alpha.,.beta.-monoolefinic unsaturated acid; and(E) 0 to 30 parts by weight of at least one olefinic unsaturated carboxylic acid amide and or carboxylic acid ester and/or styrene;whereby the parts by weight of (C), (D) and (E) are each based on 100 parts by weight of monomers (A) and (B).

Abstract: This invention relates to a process for the preparation of non-cellular or cellular polyurethane elastomers by the reaction of(a) an organic polyisocyanate, preferably in the form of NCO groups containing prepolymers and/or modified urethane group containing organic polyisocyanates with(b) a higher molecular weight compound having at least two reactive hydrogen atoms,(c) a polyester polyol containing tin and/or titanium compounds as catalysts, and optionally(d) a chain extending agent and/or crosslinking agent in the presence of(e) blowing agents,(f) auxiliaries and/or additiveswhereby from 0.1 to 10 parts by weight, based on 100 parts by weight of the (b) component, of a polyester polyol is used as a catalyst, which is prepared by the polycondensation of organic polycarboxylic acid with multivalent alcohols in the presence of from 0.002 to 5 weight percent, based on the weight of the polycondensation mixture, of a titanium and/or tin compound used as a catalyst at temperatures from 150.degree. to 200.degree.