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    • 5. 发明申请
    • VINYL CHLORIDE RESIN COMPOSITION
    • VINYL氯化物树脂组合物
    • WO1997036959A1
    • 1997-10-09
    • PCT/JP1997001121
    • 1997-03-31
    • KANEKA CORPORATIONTAKAKI, AkiraYAUCHI, ShinichiYUI, KojiNISHIMURA, RiichiTAKESADA, Kentaro
    • KANEKA CORPORATION
    • C08L27/06
    • C08L27/06C08L51/003C08L51/04C08L51/06C08L2666/24C08L2666/02
    • A vinyl chloride resin composition which has a high impact resistance, can suitably be used in producing, for example, pipes and window frames, and comprises a graft copolymer A having an average particle size of at least 0.15 mu m and obtained by copolymerizing 50 to 90 % of a rubber latex solid having a glass transition temperature of 0 DEG C or below and obtained by polymerizing 50 to 100 % of butadiene and/or an alkyl acrylate, 0 to 40 % of an aromatic vinyl monomer, 0 to 10 % of a vinyl monomer and 0 to 5 % of a polyfunctional monomer with 10 to 50 % of a mixture of 10 to 100 % of an alkyl methacrylate, 0 to 90 % of an aromatic vinyl monomer, 0 to 25 % of a vinyl cyanide monomer and 0 to 20 % of a vinyl monomer, a graft copolymer B having an average particle size of 0.05 to 0.13 mu m and obtained by copolymerizing 50 to 90 % of the rubber latex solid with 10 to 50 % of the mixture, and a vinyl chloride resin C, wherein the weight ratio of copolymer A to copolymer B ranges from 50/50 to 95/5 and the weight ratio of the total of copolymers A and B to vinyl chloride resin C ranges from 1/99 to 30/70.
    • 具有高耐冲击性的氯乙烯树脂组合物可适用于制造例如管和窗框,并且包括平均粒径为至少0.15μm的接枝共聚物A,其通过共聚合50至 90%的玻璃化转变温度为0℃以下的橡胶胶乳固体,通过聚合50〜100%的丁二烯和/或丙烯酸烷基酯,0〜40%的芳族乙烯基单体,0〜10%的芳香族乙烯基单体, 乙烯基单体和0至5%的多官能单体,10至50%的10至100%的甲基丙烯酸烷基酯,0至90%的芳族乙烯基单体,0至25%的乙烯基氰单体和 0〜20%的乙烯基单体,平均粒径为0.05〜0.13μm的接枝共聚物B,通过将50〜90%的橡胶胶乳固体与10〜50%的混合物共聚,得到氯乙烯 树脂C,其中共聚物A与共聚物B的重量比范围为50 / 共聚物A和B与氯乙烯树脂C的总重量的比例为1/99至30/70。