High molecular weight, high unsaturation isobutylene-conjugated diene copolymers
    2.
    发明授权
    High molecular weight, high unsaturation isobutylene-conjugated diene copolymers 失效
    高分子量,高不饱和异丁烯 - 共轭二烯共聚物

    公开(公告)号:US3928297A

    公开(公告)日:1975-12-23

    申请号:US45710974

    申请日:1974-04-01

    CPC classification number: C08L23/22 C08F210/12 C08F4/14

    Abstract: Substantially gel-free, high molecular weight, high unsaturation copolymers of isobutylene and conjugated dienes having a number average molecular weight of at least 120,000 and a mole percent of unsaturation of at least 5 percent and the process for preparing said polymers which comprises carrying out the polymerization in a homogeneous phase, introducing the catalyst comprising an aluminum halide to the system in a soluble form and carrying the reaction out at a temperature of less than -100*C.

    Abstract translation: 具有数均分子量至少为120,000,不饱和摩尔百分数至少为5%的异丁烯和共轭二烯的基本无凝胶的高不饱和共聚物以及制备所述聚合物的方法包括进行 在均相中聚合,将包含卤化铝的催化剂以可溶形式引入体系,并在小于-100℃的温度下进行反应。

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