The present disclosure relates to an olefin polymerization catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
本公开涉及一种用于形成多嵌段共聚物的烯烃聚合催化剂体系,所述共聚物中含有两个或两个以上在
化学或物理性质上不同的段或嵌段;使用该催化剂体系的聚合工艺;以及所得到的聚合物,其中所述组合物包括将下列物质混合后得到的混合物或反应产物:(A)第一种烯烃聚合原催化剂;(B)第二种烯烃聚合原催化剂:(A) 第一种烯烃聚合催化剂,(B) 第二种烯烃聚合催化剂,该催化剂能在同等聚合条件下制备与催化剂(A)制备的聚合物在
化学或物理特性上不同的聚合物,以及 (C) 一种链穿梭剂。