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    • 8. 发明授权
    • Polycarbonate moulding composition with improved flow and processiblity
    • 聚碳酸酯模塑组合物具有改善的流动性和可加工性
    • US4826918A
    • 1989-05-02
    • US161711
    • 1988-02-29
    • Hans-Jurgen KressDieter WittmannBernd QuiringHorst PetersJochen Schoeps
    • Hans-Jurgen KressDieter WittmannBernd QuiringHorst PetersJochen Schoeps
    • C08L25/02C08L33/04C08L33/12C08L33/18C08L51/04C08L69/00C08L83/04C08L83/10
    • C08L69/00C08L83/10Y10S525/902
    • Thermoplastic molding compositions containingA. 10 to 98 parts by weight and preferably 10 to 95 parts by weight of one or more thermoplastic aromatic polycarbonates,B. 2 to 60 parts by weight and preferably 5 to 60 parts by weight of one or more graft polymers of:B.1 5 to 90 parts by weight and preferably 30 to 80 parts by weight of a mixture ofB.1.1 50 to 95 parts by weight styrene, .alpha.-methyl styrene, nucleus-substituted styrene, methyl methacrylate or mixtures thereof andB.1.2 50 to 5 parts by weight acrylonitrile, methacrylonitrile, methyl methacrylate, maleic acid anhydride, N-substituted maleic imide or mixtures thereof, orB.2 95 to 10 parts by weight and preferably 70 to 20 parts by weight of a rubber having a glass transition temperature T.sub.G of .ltoreq.10.degree. C.,C. 0 to 80 parts by weight of a thermoplastic copolymer of:C.1 50 to 95 parts by weight styrene, .alpha.-methyl styrene, nucleus-substituted styrene, methyl methacrylate or mixtures thereof andC. 2 50 to 5 parts by weight acrylonitrile, methacrylonitrile, methyl methacrylate, maleic acid anhydride, N-substituted maleic imide or mixtures thereof, the sum of the parts by weight of A.+B.+C. being 100 parts by weight andD. 0.5 to 10 parts by weight and preferably 1.0 to 5.0 parts by weight, based on 100 parts by weight of the mixture of A.+B.+C., of a hydroxyl-terminated aliphatic polycarbonate.
    • 含有A.10至98重量份,优选10至95重量份的一种或多种热塑性芳族聚碳酸酯的热塑性模制组合物,B 2至60重量份,优选5至60重量份的一种或多种接枝聚合物 B.1 5〜90重量份,优选30〜80重量份B.1.1 50〜95重量份苯乙烯,α-甲基苯乙烯,核取代苯乙烯,甲基丙烯酸甲酯或其混合物的混合物, B.1.2 50-5重量份丙烯腈,甲基丙烯腈,甲基丙烯酸甲酯,马来酸酐,N-取代马来酰亚胺或其混合物,或B.2 95-10重量份,优选70-20重量份橡胶 玻璃化转变温度TG <10℃,C.0-80重量份的热塑性共聚物:C.150-95重量份苯乙烯,α-甲基苯乙烯,核取代苯乙烯, 甲基丙烯酸甲酯或其混合物和C. 2 50至5份b 重量的丙烯腈,甲基丙烯腈,甲基丙烯酸甲酯,马来酸酐,N-取代的马来酰亚胺或其混合物,A + B + C的重量份之和。 相对于100重量份的由羟基封端的脂肪族聚碳酸酯的A. + B. + C的混合物,为100重量份,D为0.5〜10重量份,优选为1.0〜5.0重量份。