Abstract: A thermoplastic molding material containing, based on the sum of its constituents A, B and C,A: 70 to 99% by weight of a thermoplastic resin A comprising, based on A,A1: 50 to 100% by weight of a hard matrix A1 comprising, based on A1,A11: 50 to 95% by weight of units of an aromatic vinyl compound or methyl methacrylate or their mixtures (A11) andA12: 5 to 50% by weight of units of acrylonitrile A12;A2: up to 50% by weight of a rubber-elastic particulate graft copolymer A2 comprising, based on A2,A21: 30 to 80% by weight of at least one elastomeric graft base A21 having a median particle size of from 30 to 1000 nm comprising, based on A21,A211: 50 to 100% by weight of units of a 1,3-diene or a C.sub.4 -C.sub.

Abstract: A thermoplastic molding composition composed of, based on the total of A, B, C and D,40-95% by weight of a copolymer A of, based on A,90-95% by weight of styrene and/or its derivatives and 10-50% by weight of acrylonitrile, optionally up to 50% by weight of a graft copolymer B of 20-80% by weight of a monomer mixture of either styrene/acrylonitrile in the ration from 9:1 to 4:6 or styrene/acrylonitrile/methylacrylate in the ration from 19:1:1 to 8:6:6 onto 80-20% by weight of an elastomer based on butadiene or acrylic ester as grafting base, graft copolymerization being effected in either emulsion or solution, 1-50% by weight of a reinforcing glass fiber material C and 0.1-50% by weight of a terpolymer D of styrene, methyl methacrylate and maleic anhydride composed of 1-15% by weight each of styrene and maleic anhydride and a styrene/maleic anhydride ratio of from 5:1 to 1:5, and methyl methacrylate.

Abstract: A rubber-modified, impactresistant acrylonitrile-butadiene-styrene (ABS) molding material, as obtained by polymerizing styrene and acrylonitrile in the presence of a preformed rubber, dissolved in monomeric styrene and acrylonitrile and, if necessary, a solvent, wherein the rubber is a styrene-butadiene block copolymer and at least one further polymer which is compatible with the styrene-butadiene block rubber or its polystyrene component and is incompatible with polystyrene-acrylonitrile.

Abstract: Thermoplastic molding materials obtained from polymers based on vinyl chloride contain from 2 to 80% by weight of a polymer ofa) from 2 to 100% by weight of a monomer of the general formula I ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and Ar is an isoaromatic group, or of a mixture of these monomers, andb) from 0 to 98% by weight of a monomer of the general formula II ##STR2## where R.sup.2 is C.sub.1 -C.sub.4 -alkyl and Alk is C.sub.1 -C.sub.8 -alkyl, or of a mixture of these monomers, andc) from 0 to 5% by weight of further monomers capable of undergoing free radical polymerization (monomers III).The molding materials have a high heat distortion resistance.

Abstract: Molding materials of high impact polystyrene (HIPS) and one or more further polymers as essential components contain, as a third or further compatibility-imparting component, a polymer or copolymer containing not less than 45% by weight of units of cyclohexyl (meth)acrylate.

Abstract: An impact resistance thermoplastic molding composition contains, each percentage being based on A+B, from 80 to 55% by weight of a hard matrix A of a copolymer containing at least 95% by weight of an aromatic vinyl monomer a.sub.11 of from 8 to 10 carbon atoms and at least one comonomer a.sub.12 in a proportion of 0.1 to 5% by weight, based on A, and from 45 to 20% by weight of a soft phase B which, uniformly dispersed in the hard matrix, has an average particle diameter d.sub.50 (volume average) of from 3.5 to 9 .mu.m and is obtainable by polymerization of the mixture of monomers a.sub.11 and a.sub.12 in the presence of an elastomer (rubber) and subsequent isolation of the useful product, wherein the comonomer a.sub.12 has the general formula I ##STR1## where X is --OR.sup.2, --COOR.sup.2 or --CONHR.sup.3,R.sup.1 is hydrogen or methyl andR.sup.2 and R.sup.3 are each alkyl of from 1 or 2 to 10 carbon atoms with at least one OH or epoxy group or at least one other polar group.

Abstract: A transparent polyblend is formed from(a1) 99.9-0.1% by weight of a methyl (meth)acrylate homopolymer or of a copolymer thereof with up to 20% by weight of units of alkyl (meth)acrylate having an alkyl radical of from 2 to 10 carbon atoms and up to 10% by weight of further comonomers or(a2) 99.9-0.1% by weight of a styrene or .alpha.-methylstyrene and acrylonitrile copolymer containing from 5 to 30% by weight of units of acrylonitrile or(a3) 99.9-0.1% by weight of a possibly impact-modified polyvinyl chloride homopolymer or copolymer with up to 20% by weight of comonomers and(b) 0.1-99.9% by weight of a cycloalkyl (meth)acrylate homopolymer or copolymer with up to 99.9% by weight of units of methyl methacrylate.

Abstract: A heat distortion resistant, transparent thermoplastic molding material contains a copolymer of the monomers(a) methyl methacrylate and(b) an N-substituted amide of methacrylic acid.The molding material contains from 5 to 95% by weight of monomer (a) and from 95 to 5% by weight of monomer or monomers (b), the percentages being based on (a)+(b), and furthermore, as monomer (b), and N-substituted amide of the formula ##STR1## where R is a primary, secondary or tertiary alkyl radical, cycloalkyl, aryl or aralkyl of 2 to 12 carbon atoms.The molding material is used for the production of heat distortion resistant moldings or laminates.

Abstract: Reinforced thermoplastic molding materials containing, as essential components,(A) from 40 to 94 parts by weight of a polymer component of(a.sub.1) from 10 to 90% by weight of polyphenylene ether and(a.sub.2) from 10 to 90% by weight, based in each case on A, of a styrene polymer toughened with an acrylate rubber or with an unhydrogenated or hydrogenated polymer of a conjugated diene,(B) from 1 to 20 parts by weight of a copolymer of(b.sub.1) from 70 to 99.9% by weight of a monomer from the group consisting of styrene, .alpha.-methylstyrene and styrene alkylated in the nucleus or a mixture of these monomers,(b.sub.2) from 0.1 to 30% by weight of one or more compounds from the group consisting of tert-butyl acrylate and tert-butyl methacrylate, or one or more compounds from the group of compounds of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl and R.sup.2, R.sup.3 and R.sup.

Abstract: Thermoplastic molding compositions based on thermoplastic polyesters (a.sub.1), graft polymers incorporating acrylate rubbers as grafting bases (a.sub.2), copolymers of aromatic vinyl monomers and acrylonitrile or methacrylonitrile (a.sub.3) which contain a polymeric component (B) having carboxyl, carboxyl derivative, hydroxyl or epoxy groups or, alternatively, where graft polymers (a.sub.2) or copolymers (a.sub.3) carry such groups have a balanced range of properties.

Abstract: A thermoplastic molding material contains, in each case based on the molding material comprising A+B,A from 80 to 60% by weight of a hard matrix composed of polystyrene andB from 20 to 40% by weight of a soft phase which is obtainable by polymerization of styrene in the presence of a linear styrene/butadienne block copolymer which has an ill defined transition, contains from 35 to 45% by weight of styrene and from 65 to 55% by weight of butadiene and has a block polystyrene content of from 25 to 35% by weight, the soft phase being uniformly distributed in the hard matrix and having a particle diameter of less than 0.8 .mu.m.The typical features of the said molding material are that the median particle diameter d.sub.50 (volume average of the soft phase B is from 0.25 to 0.38 .mu.m, the width of the particle size distribution, (d.sub.95 14 d.sub.5), is from 0.2 to 0.6 .mu.m, the d.sub.60 value is from 0.26 to 0.40 .mu.m and the d.sub.90 value is from 0.40 to 0.75.