申请人:Balbontin Giulio
公开号:US20050014631A1
公开(公告)日:2005-01-20
A solid catalyst component for the polymerization of olefins, comprising: an inert porous support, Mg, Ti, halogen and an electron donor selected from succinates of formula (I) wherein the radicals R
1
and R
2,
equal to or different form each other, are hydrocarbon groups, the radicals R
3
, R
4
, R
5
and R
6
, equal to or different from each other, are hydrogen or hydrocarbon groups.
一种用于烯烃聚合的固体催化剂组分,包括:惰性多孔载体、Mg、Ti、卤素和选自式 (I) 丁二酸盐的电子供体,其中自由基 R
1
和 R
2,
其中基 R 1 和 R 2 相等或互不相同,均为烃基,基 R
3
, R
4
, R
5
和 R
6
相互相等或不同,为氢或烃基。