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    Thermoplastic resin composition of ethylene-propylene-non-conjugated diene terpolymer rubber having improved combined properties of weather resistance and molding appearance
    3.
    发明授权
    Thermoplastic resin composition of ethylene-propylene-non-conjugated diene terpolymer rubber having improved combined properties of weather resistance and molding appearance 失效
    乙烯 - 丙烯 - 非共轭二烯三元共聚物橡胶的热塑性树脂组合物具有改进的耐候性和成型外观的组合性能

    公开(公告)号：US4788250A

    公开(公告)日：1988-11-29

    申请号：US105540

    申请日：1987-10-08

    申请人： Haruyoshi Kitahara ,  Yasuaki Ii ,  Yutaka Toyooka

    发明人： Haruyoshi Kitahara ,  Yasuaki Ii ,  Yutaka Toyooka

    IPC分类号： C08F255/04 ,  C08F255/06 ,  C08L51/00 ,  C08L51/06 ,  C08L101/00 ,  C08L69/00

    CPC分类号： C08L51/00 ,  C08F255/06 ,  C08L101/00

    摘要： Disclosed is a thermoplastic resin composition comprising a graft polymer resin (I) obtained by polymerizing one or more monomers (b) selected from the group consisting of aromatic vinyl compounds and ethylenically unsaturated compounds, in the presence of a latex of an ethylene-propylene-non-conjugated diene terpolymer rubber (a) having a specific gel content and a specific particle diameter, so that the graft polymer resin contains a specific proportion of the rubber (a); and a rigid thermoplastic resin (II). This resin composition has excellent weather resistance and impact resistance, and yields molded articles having a good surface gloss.

    摘要翻译： 公开了一种热塑性树脂组合物，其包含通过聚合一种或多种选自芳族乙烯基化合物和烯键式不饱和化合物的单体（b）而获得的接枝聚合物树脂（I），在乙烯 - 丙烯 - 具有特定凝胶含量和比粒径的非共轭二烯三元共聚物橡胶（a），使得接枝聚合物树脂含有特定比例的橡胶（a）; 和硬质热塑性树脂（II）。 该树脂组合物具有优异的耐候性和耐冲击性，并且得到具有良好表面光泽度的成型品。

    Maleimide-based copolymer and resin composition comprising the same
    5.
    发明授权
    Maleimide-based copolymer and resin composition comprising the same 失效
    马来酰亚胺类共聚物和含有它们的树脂组合物

    公开(公告)号：US5948879A

    公开(公告)日：1999-09-07

    申请号：US957588

    申请日：1997-10-24

    申请人： Hiroshi Mori ,  Yasuaki Ii ,  Hisaya Yokohama ,  Yasunori Tsuneshige ,  Seizo Fujii ,  Takanori Nakazato

    发明人： Hiroshi Mori ,  Yasuaki Ii ,  Hisaya Yokohama ,  Yasunori Tsuneshige ,  Seizo Fujii ,  Takanori Nakazato

    IPC分类号： C08F212/04 ,  C08F222/40 ,  C08L35/00 ,  C08L51/04 ,  C08G69/08 ,  C08G73/10

    CPC分类号： C08L35/00 ,  C08F212/04 ,  C08F222/40 ,  C08L51/04

    摘要： A maleimide-based copolymer containing maleimide monomer units (a-1), aromatic vinyl monomer units (a-2) and other vinyl monomer units (a-3), wherein,(I) the content of residual maleimide monomer in the copolymer is 0.1% by weight or less, and the content of whole volatiles other than the maleimide monomer is 0.5% by weight or less;(II) a compound obtained from at least one monomer selected from the group consisting of a maleimide monomer, an aromatic vinyl monomer and other vinyl monomers, having a weight-average molecular weight of from 200 to 1,000, is contained in an amount of 2 to 10% by weight;(III) the copolymer has a yellow index of 30 or less; and(IV) the copolymer has an intrinsic viscosity of from 0.3 to 1.5. Maleimide-based resin composition comprising the above maleimide-based copolymer (A) and a rubber-based graft polymer (B) obtained by polymerizing at least one vinyl monomer selected from the group consisting of an aromatic vinyl monomer, an acrylic or methacrylic ester monomer and a derivative thereof and a vinyl cyanide monomer in the presence of 5 to 80% by weight of a rubber-like polymer.

    摘要翻译： 含有马来酰亚胺单体单元（a-1），芳香族乙烯基单体单元（a-2）和其它乙烯基单体单元（a-3）的马来酰亚胺系共聚物，其中，（I）共聚物中残留的马来酰亚胺单体的含量为 0.1重量％以下，除马来酰亚胺单体以外的全部挥发物的含量为0.5重量％以下; （II）由重量平均分子量为200〜1000的选自马来酰亚胺单体，芳族乙烯基单体和其它乙烯基单体的至少一种单体得到的化合物的含量为2 至10重量％; （III）共聚物的黄色指数为30以下; 和（IV）共聚物的特性粘度为0.3〜1.5。 包含上述马来酰亚胺基共聚物（A）和通过聚合至少一种选自芳族乙烯基单体，丙烯酸或甲基丙烯酸酯单体的乙烯基单体获得的橡胶基接枝聚合物（B）的马来酰亚胺基树脂组合物 和其衍生物和乙烯基氰单体在5至80重量％的橡胶状聚合物的存在下进行。