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    • 33. 发明授权
    • Reinforced styrene copolymers
    • 增强苯乙烯共聚物
    • US08853319B2
    • 2014-10-07
    • US13319754
    • 2010-05-06
    • Martin WeberMarko BlinzlerRoelef Van Der Meer
    • Martin WeberMarko BlinzlerRoelef Van Der Meer
    • C08G18/08C08L25/12C08L25/14C08L69/00C08L101/00
    • C08L25/12C08L25/14C08L69/00C08L101/005C08L2666/02
    • The thermoplastic molding composition comprises: a) as component A, from 0 to 97.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which do not have any units derived from maleic anhydride, and which have an intrinsic viscosity smaller than 85 ml/g, b) as component B, from 1 to 98.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which have, based on the entire component B, from 0.5 to 5% by weight of units derived from maleic anhydride, c) as component C, from 1 to 75% by weight of glass fibers, d) from 0.1 to 20% by weight of one or more flow promoters, selected from d1) as component 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), d2) as component 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, d3) as component D3, alkyl acrylate oligomers with a weight-average molar mass in the range from 1200 to 4000 g/mol, e) as component E, from 0 to 40% by weight of further fillers, or rubbers, and/or further additives, where the total amount of components A to D and, if present, E is 100% by weight.
    • 热塑性模塑组合物包含:a)作为组分A,0至97.9重量%的一种或多种(甲基)苯乙烯 - 丙烯腈共聚物,其不具有源自马来酸酐的任何单元,并且其特性粘度小于85 ml / g,b)作为组分B,1至98.9重量%的一种或多种(甲基)苯乙烯 - 丙烯腈共聚物,其基于整个组分B为0.5至5重量%的衍生自马来酸的单元 酸酐,c)作为组分C,1至75重量%的玻璃纤维,d)0.1至20重量%的一种或多种流动促进剂,选自d1)作为组分D1,至少一种高度支化或超支化 OH值为1至600mg KOH / g聚碳酸酯的聚碳酸酯(根据DIN 53240,第2部分),d2)作为组分D2,至少一种高度支化或超支化的AxBy型聚酯,其中x至少为1.1, y至少为2.1,d3)作为组分D3,具有重均摩尔质量的丙烯酸烷基酯低聚物 范围从1200至4000g / mol,e)作为组分E,0至40重量%的另外的填料或橡胶,和/或其它添加剂,其中组分A至D的总量,如果存在, E为100重量%。
    • 38. 发明授权
    • Thermoplastic molding compound with processing-independent viscosity
    • 具有加工独立粘度的热塑性模塑料
    • US08168719B2
    • 2012-05-01
    • US12598938
    • 2008-04-23
    • Martin WeberAchim DatkoLudger Leber
    • Martin WeberAchim DatkoLudger Leber
    • C08L51/00C08L33/08C08L25/12B29C45/00
    • C08L51/04C08F257/02C08F279/02C08F285/00C08L25/12C08L33/08C08L33/12C08L35/06C08L51/00C08L51/003C08L2205/03C08L2666/02C08L2666/04
    • The present invention relates to thermoplastic molding compositions comprising a mixture composed of (A) at least one methyl methacrylate polymer, (B) at least one copolymer, obtainable via polymerization of a mixture, composed of (B1) at least one vinylaromatic monomer, and (B2) at least one vinyl cyanide, as monomers, (C) at least one graft polymer, obtainable from a core, and a first graft shell, and a second graft shell, (D) at least one polybutyl acrylate whose molar mass is from 1700 to 4000 g/mol (determined as Mw by means of gel permeation chromatography), and (E) if appropriate conventional additives, as component (E), to a process for preparation of these thermoplastic molding compositions, to the use of this thermoplastic molding composition for production of moldings, and also to the use of styrene-methyl methacrylate copolymers whose molar mass is from 1700 to 4000 g/mol (determined as Mw by means of gel permeation chromatography) for improvement of flowability and for reduction of the dependency of notched impact strength and haze values of thermoplastic molding compositions on injection-molding conditions.
    • 本发明涉及热塑性模塑组合物,其包含由(A)至少一种甲基丙烯酸甲酯聚合物,(B)至少一种共聚物组成的混合物,所述共聚物可通过由(B1)至少一种乙烯基芳族单体组成的混合物聚合获得,和 (B2)至少一种乙烯基氰,作为单体,(C)至少一种可从芯获得的接枝聚合物和第一接枝壳和第二接枝壳,(D)至少一种丙烯酸丁酯,其摩尔质量为 通过凝胶渗透色谱法测定为1700至4000g / mol(通过凝胶渗透色谱法测定为Mw),和(E)如果合适的常规添加剂(E)作为组分(E),用于制备这些热塑性模塑组合物的方法 用于制造模制品的热塑性模塑组合物,以及摩尔质量为1700至4000g / mol(通过凝胶渗透色谱法测定为Mw)的苯乙烯 - 甲基丙烯酸甲酯共​​聚物的用途,用于改善流动性和红色 对热塑性模塑组合物的缺口冲击强度和雾度值的依赖性对注塑条件的影响。