摘要:
Thermoplastic molding compositions comprising a mixture of a component (A), a component (B), a component (C) and a component (D), methods for their preparation and use, and mold-release agents for thermoplastic molding compositions: wherein the component (A) comprises a methyl methacrylate polymer; wherein the component (B) comprises a copolymer prepared by polymerizing from 75 to 88% by weight of a vinylaromatic monomer and from 12 to 25% by weight of a vinyl cyamide; wherein the component (C) comprises a graft copolymer prepared by copolymerizing: from 60 to 90% by weight, based on component (C), of a core, from 5 to 20% by weight, based on component (C), of a first graft shell, and from 5 to 20% by weight, based on component (C), of a second graft shell; and wherein the component (D) comprises at least one highly branched or hyperbranched polymer selected from the group consisting of (D1) highly branched or hyperbranched polycarbonates, (D2) highly branched or hyperbranched polyesters of Ax+By type, where x is at least 1.1 and y is at least 2.1, and mixtures thereof.
摘要翻译:包含组分(A),组分(B),组分(C)和组分(D)的混合物的热塑性模塑组合物,其制备和使用方法以及用于热塑性模塑组合物的脱模剂:其中 组分(A)包括甲基丙烯酸甲酯聚合物; 其中组分(B)包括通过使75至88重量%的乙烯基芳族单体和12至25重量%的乙烯基芳族聚酰胺聚合而制备的共聚物; 其中组分(C)包括通过以下组分制备的接枝共聚物:基于组分(C),基于组分(C)的60至90重量%的核心,基于组分(C)5至20重量% 第一接枝壳,和基于组分(C)5至20重量%的第二接枝壳; 并且其中组分(D)包含至少一种选自(D1)高度支化或超支化聚碳酸酯的高度支化或超支化聚合物,(D2)高支化或超支化的A x + 其中x至少为1.1,y为至少2.1,以及它们的混合物。
摘要:
The present invention relates to thermoplastic molding compositions comprising a mixture of (A) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a methyl methacrylate polymer, (B) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a copolymer obtainable by polymerizing a styrenic monomer and a vinyl cyanide, and (C) from 1 to 40% by weight, based on the sum of components (A), (B) and (C), of a graft copolymer obtainable from (C1) from 60 to 90% by weight, based on (C), of a core obtainable by polymerizing a 1,3-diene and a styrenic monomer, (C2) from 5 to 20% by weight, based on (C), of a first graft shell, and (C3) from 5 to 20% by weight, based on (C), of a second graft shell composed of an alkyl (meth)acrylate polymer, with the proviso that the ratio of (C2) to (C3) is in the range from 2:1 to 1:2, the essence of the invention being that the first graft shell (C2) is obtainable by polymerizing a monomer mixture consisting of (C21) from 30 to 39% by weight, based on (C2), of a styrenic monomer, (C22) from 61 to 70% by weight, based on (C2), of a C1-C8-alkyl ester of methacrylic acid and (C23) from 0 to 3% by weight, based on (C2), of a crosslinking monomer, and also to processes for producing these molding compositions, to their use and to the moldings obtainable therefrom.
摘要:
The present invention relates to thermoplastic molding compositions comprising a mixture of (A) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a methyl methacrylate polymer, (B) from 30 to 69% by weight, based on the sum of components (A), (B) and (C), of a copolymer obtainable by polymerizing a styrenic monomer and a vinyl cyanide, and (C) from 1 to 40% by weight, based on the sum of components (A), (B) and (C), of a graft copolymer obtainable from (C1) from 60 to 90% by weight, based on (C), of a core obtainable by polymerizing a 1,3-diene and a styrenic monomer, (C2) from 5 to 20% by weight, based on (C), of a first graft shell, and (C3) from 5 to 20% by weight, based on (C), of a second graft shell composed of an alkyl (meth)acrylate polymer, with the proviso that the ratio of (C2) to (C3) is in the range from 2:1 to 1:2.
摘要:
The invention relates to polyester mixtures, comprising A) from 30 to 98% by weight of at least one thermoplastic aromatic polyester, B) from 0.01 to 15% by weight of B1) at least one highly branched or hyperbranched polycarbonate, or B2) at least one highly branched or hyperbranched polyester or a mixture of these C) from 1 to 20% by weight of a polyester based on aliphatic and aromatic dicarboxylic acids and on an aliphatic dihydroxy compound, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%; and to their use, and also to fibers, foils, and moldings obtainable from these polyester mixtures.
摘要:
The use of a thermoplastic molding composition which is not ABS, comprising, based on the total of the amounts of components A, B, C, and, where appropriate, D, this total being 100% by weight, a: as component A, from 1 to 48% by weight of at least one particulate emulsion polymer which has one or more phases and has a glass transition temperature below 0° C. in at least one phase, and has a median particle size from 50 to 1000 nm, b: as component B, from 1 to 48% by weight of at least one amorphous or semicrystalline polymer, c: as component C, from 51 to 90% by weight of polycarbonates, and d: as component D, from 0 to 47% by weight of conventional addictives and/or fibrous or particulate fillers, or a mixture of these, for producing moldings, or corresponding semifinished products, for the garden sector or animal-keeping sector.
摘要:
Lighting elements composed of thermoplastic molding compositions comprising A) from 10 to 99.9% by weight of at least one thermoplastic polyester, B) from 0.1 to 50% by weight of at least one terpolymer, obtainable from b1) at least one vinylaromatic monomer, b2) at least one C1-C4-alkyl (meth)acrylate or (meth)acrylonitrile, and b3) from 0.1 to 10% by weight, based on the total weight of the components b1) to b3), of at least one monomer which comprises an α,β-unsaturated anhydride, and C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%.
摘要:
Thermoplastic molding compositions comprising A) from 10 to 69% by weight of a thermoplastic polyester B) from 30 to 79% by weight of an aluminum oxide C) from 0.01 to 10% by weight of an organic or inorganic acid or mixture of these D) from 0 to 10% by weight of D1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or D2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these E) from 0 to 50% by weight of other additives, where the entirety of the percentages by weight of components A) to E) gives 100%.
摘要:
Thermoplastic molding compositions comprising A) from 10 to 69% by weight of a thermoplastic polyester B) from 30 to 79% by weight of an aluminum oxide C) from 0.01 to 10% by weight of an organic or inorganic acid or mixture of these D) from 0 to 10% by weight of D1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or D2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these E) from 0 to 50% by weight of other additives, where the entirety of the percentages by weight of components A) to E) gives 100%.
摘要:
Lighting elements composed of thermoplastic molding compositions comprising A) from 10 to 99.9% by weight of at least one thermoplastic polyester, B) from 0.1 to 50% by weight of at least one terpolymer, obtainable from b1) at least one vinylaromatic monomer, b2) at least one C1-C4-alkyl (meth)acrylate or (meth)acrylonitrile, and b3) from 0.1 to 10% by weight, based on the total weight of the components b1) to b3), of at least one monomer which comprises an α,β-unsaturated anhydride, and C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%.
摘要:
The present invention relates to a process for preparation of copolymers A) comprising A1) one or more vinylaromatic monomers, A2) one or more vinyl cyanides, and A3) one or more dicarboxylic anhydrides via bulk polymerization or via solution polymerization,an important feature of the invention being that the polymerization is carried out in the presence of from 0.01 to 0.5% by weight of water, based on the total weight of the polymerization mixture.The present invention further relates to the copolymers A), to thermoplastic molding compositions comprising the copolymers A), to the use of the copolymers A) and of the thermoplastic molding compositions, and also to the moldings, foils, fibers, or foams obtainable from the copolymers A) or from the thermoplastic molding compositions.