PROCESS FOR THE PREPARATION OF ETHYLENE PROPYLENE COPOLYMERS
    11.
    发明申请
    PROCESS FOR THE PREPARATION OF ETHYLENE PROPYLENE COPOLYMERS 有权
    制备乙烯丙烯共聚物的方法

    公开(公告)号:US20090198027A1

    公开(公告)日:2009-08-06

    申请号:US12226385

    申请日:2007-04-06

    IPC分类号: C08F4/52

    摘要: A polymerization process comprising contacting under polymerization conditions ethylene and at least propylene to obtain a copolymer containing from 96% by mol to 71% by mol of ethylene derived units, in the presence of a catalyst system obtainable by contacting: b) at least a metallocene compound of formula (I), b) alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally c) an organo aluminum compound; wherein the groups R1-R4, L, M and W are described in the text.

    摘要翻译: 一种聚合方法,包括在聚合条件下使乙烯和至少丙烯接触,以获得含有衍生自乙烯的单元的96摩尔%至71摩尔%的乙烯衍生单元的共聚物,所述催化剂体系可以通过以下方式获得:b)至少一种茂金属 式(I)化合物,b)铝氧烷或能够形成烷基金属茂阳离子的化合物; 和任选地c)有机铝化合物; 其中在文中描述了基团R1-R4,L,M和W。