COMPATIBILIZED BLENDS OF ALKENYL AROMATIC POLYMERS, &agr;-OLEFIN/VINYL OR VINYLIDENE AROMATIC AND/OR STERICALLY HINDERED ALIPHATIC OR CYCLOALIPHATIC VINYL OR VINYLIDENE INTERPOLYMERS AND STYRENIC BLOCK COPOLYMERS
    24.
    发明授权
    COMPATIBILIZED BLENDS OF ALKENYL AROMATIC POLYMERS, &agr;-OLEFIN/VINYL OR VINYLIDENE AROMATIC AND/OR STERICALLY HINDERED ALIPHATIC OR CYCLOALIPHATIC VINYL OR VINYLIDENE INTERPOLYMERS AND STYRENIC BLOCK COPOLYMERS 失效
    芳香族芳族聚合物,α-烯烃/乙烯基或乙烯基芳族化合物和/或多立体异氰酸酯或环己基乙烯基或乙烯基嵌段共聚物和苯乙烯嵌段共聚物的混合混合物

    公开(公告)号:US06476141B1

    公开(公告)日:2002-11-05

    申请号:US09965274

    申请日:2001-09-27

    IPC分类号: C08L2300

    摘要: A blend composition (and fabricated articles therefrom) comprising; (A) one or more alkenyl aromatic polymers; (B) one or more substantially random interpolymers comprising (1) polymer units derived from; (a) at least one vinyl or vinylidene aromatic monomer, or (b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or (c) a combination of at least one aromatic vinyl or vinylidene monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, and (2) polymer units derived from at least one of ethylene and/or a C3-20 &agr;-olefin; and (3) polymer units derived from one or more of ethylenically unsaturated polymerizable monomers other than those derived from (1) and (2); and, (C) one or more compatibilizers; and wherein said blend has; a) a tensile strength greater than 1500 psi; b) a pull force test (⅛″ diameter) greater than 15 lb; c) a Shore A Hardness greater than 79; d) a cycle time in injection molding of less than 30 sec.

    摘要翻译: (A)一种或多种烯基芳族聚合物;(B)一种或多种基本上无规的互聚物,其包含(1)衍生自(a)至少一种乙烯基或亚乙烯基芳族单体的聚合物单元 或(b)至少一种受阻脂族或脂环族乙烯基或亚乙烯基单体,或(c)至少一种芳族乙烯基或亚乙烯基单体和至少一种受阻脂族或脂环族乙烯基或亚乙烯基单体的组合,和(2)聚合物 衍生自乙烯和/或C 3-20α-烯烃中的至少一种的单元; 和(3)衍生自除(1)和(2)所衍生的那些之外的一种或多种烯属不饱和可聚合单体的聚合物单元; 和(C)一种或多种增容剂;并且其中所述共混物具有:a)大于1500psi的拉伸强度; b)大于15lb的拉力试验(1/8“直径); c)肖氏A 硬度大于79; d)注塑成型时间小于30秒。