申请人:Burkhardt John Terry
公开号:US20050037919A1
公开(公告)日:2005-02-17
Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula:
wherein M
1
preferably is zirconium or hafnium; and R
5
is different from hydrogen
茂
金属及其衍生的烯烃聚合催化剂体系。该茂
金属可由以下公式表示:其中M1最好是
锆或
铪;而R5不同于氢。