Catalyst for olefin polymerization and process for producing polyolefin using the same
申请人:JAPAN POLYOLEFINS CO., LTD.
公开号:EP0717053A2
公开(公告)日:1996-06-19
A catalyst for olefin polymerization comprising: (A) a solid catalyst component comprising a titanium compound, a magnesium compound, and a halogen compound; (B) an organoaluminum compound; (C) a first organosilicon compound represented by formula (I):
wherein R¹ represents a hydrocarbon group having 1 to 4 carbon atoms; R² represents a hydrocarbon group having 1 to 6 carbon atoms or a hydrogen atom; R³ and R⁴ each represent a hydrocarbon group having 1 to 6 carbon atoms; and R², R³, and R⁴ may be the same or different; and (D) a second organosilicon compound represented by formula (II):
wherein R⁵ represents a hydrocarbon group having 1 to 4 carbon atoms; and R⁶, R⁷, and R⁸, which may be the same or different, each represent a hydrocarbon group having 1 to 6 carbon atoms or a hydrogen atom.
一种用于烯烃聚合的催化剂,包括:(A) 由钛化合物、镁化合物和卤素化合物组成的固体催化剂组分;(B) 有机铝化合物;(C) 由式 (I) 表示的第一种有机硅化合物:
其中 R¹ 代表具有 1 至 4 个碳原子的烃基;R² 代表具有 1 至 6 个碳原子的烃基或氢原子;R³ 和 R⁴ 各自代表具有 1 至 6 个碳原子的烃基;R²、R³ 和 R⁴ 可以相同或不同;以及 (D) 由式 (II) 代表的第二种有机硅化合物:
其中 R⁵ 代表具有 1 至 4 个碳原子的烃基;而 R⁶、R⁷ 和 R⁸ 可以相同或不同,各自代表具有 1 至 6 个碳原子的烃基或氢原子。