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    • 5. 发明授权
    • Thermoplastic moulding materials made from vinyl chloride polymers and
graft polymers and having improved properties
    • 由氯乙烯聚合物和接枝聚合物制成并具有改进性能的热塑性成型材料
    • US4778850A
    • 1988-10-18
    • US64410
    • 1987-06-22
    • Christian LindnerHartmuth BudingHans-Eberhard BraeseRudolf CasperKarl-Heinz Ott
    • Christian LindnerHartmuth BudingHans-Eberhard BraeseRudolf CasperKarl-Heinz Ott
    • C08L9/02C08L21/00C08L23/08C08L27/00C08L27/06C08L51/04C08L73/00
    • C08L27/06C08L51/04C08L9/02
    • A: Thermoplastic moulding materials made from a vinyl chloride homopolymer or copolymer containing at least 50% by weight of vinyl choloride units,B: a graft polymer, prepared by graft polymerization ofB1: 50 to 85 parts by weight of a mixture of at least two of the monomers styrene, acrylonitrile, methyl methacrylate and .alpha.-methyl styrene onB2: 50 to 15 parts by weight of an at least partially crosslinked butadiene or acrylate rubber having average particle diameters of 0.08 to 1 .mu.m, andC: a hydrogenated nitrile rubber in which the nitrile group content is 50 to 28% by weight and the degree of hydrogenation is greater than 50%, andD: optionally, a non-crosslinked, rubber-like ethylene or alkyl acrylate polymer, optionally containing copolymerized up to 70% by weight of vinyl acetate, acrylonitrile, methyl methacrylate or carbon monoxide,E: optionally at least partially crosslinked, rubber-like ethylene or alkyl acrylate polymer, optionally containing copolymerized up to 50% by weight of vinyl acetate, acrylonitrile, methyl methacrylate or carbon monoxide.
    • A:由含有至少50重量%的乙烯基氯化物单元的氯乙烯均聚物或共聚物制成的热塑性成型材料B:接枝聚合物,其通过接枝聚合B1:50至85重量份的至少 两种单体苯乙烯,丙烯腈,甲基丙烯酸甲酯和α-甲基苯乙烯在B2上:50至15重量份的平均粒径为0.08至1μm的至少部分交联的丁二烯或丙烯酸酯橡胶,和C:氢化 丁腈橡胶,其中腈基含量为50〜28重量%,氢化度大于50%,D:任选地,非交联橡胶状乙烯或丙烯酸烷基酯聚合物,任选地含有至多 70重量%的乙酸乙烯酯,丙烯腈,甲基丙烯酸甲酯或一氧化碳,E:任选地至少部分交联的橡胶状乙烯或丙烯酸烷基酯聚合物,任选地含有最多达50个 乙酸乙烯酯,丙烯腈,甲基丙烯酸甲酯或一氧化碳的重量%。