申请人:China Petroleum & Chemical Corporation
公开号:EP1746110A1
公开(公告)日:2007-01-24
The present invention provides a catalyst component for polymerization of olefin CH2=CHR, in which R is hydrogen or C1-C12 alkyl or aryl, comprising magnesium, titanium, a halogen and an electron donor compound (a) which is at least one selected from the group consisting of dibasic ester compounds of the formula (I), and said catalyst component optionally further comprising an electron donor compound (b) selected from the group consisting of aliphatic dicarboxylic esters and aromatic dicarboxylic esters, and/or an electron donor compound (c) selected from the group consisting of 1,3-diether compounds of formula (IV):
wherein, R1, R' and A are as defined in the description,
wherein RI-RVIII are as defined in the description, and a catalyst comprising the catalyst component.
本发明提供了一种用于烯烃 CH2=CHR(其中 R 为氢或 C1-C12 烷基或芳基)聚合的催化剂组分,包括镁、钛、卤素和电子供体化合物 (a),其中电子供体化合物 (a) 至少选自由式 (I) 的二盐基酯化合物组成的组、所述催化剂组分可选地进一步包括选自脂肪族二羧酸酯和芳香族二羧酸酯组成的组的电子供体化合物 (b),和/或选自式 (IV) 的 1,3-二醚化合物组成的组的电子供体化合物 (c):
其中,R1、R'和 A 如说明中所定义、
其中,RI-RVIII 如说明中所定义,以及由催化剂组分组成的催化剂。