发明名称 |
MIXED VALENT CYCLOPENTADIENYL GROUP 6B METAL-ALKALI METAL ALPHA-OLEFIN POLYMERIZATION CATALYSTS AND THEIR USE IN POLYMERIZATION PROCESSES |
摘要 |
Disclosed is a catalyst system for the homopolymerization of alpha-olefins having 2-8 carbon atoms, said catalyst system comprising a mixed-valent dimeric Group 6b metal compound catalyst precursor wherein one atom of said Group 6b metal is a cyclopentadienyl Group 6b metal hydrocarbyl complex in which the Group 6b metal has an oxidation state +3 and wherein one atom of said Group 6b metal is a cyclopentadienyl alkaryl complex in which the Group 6b metal has an oxidation state +1, said dimeric Group 6b metal compound being supported on an inorganic support. The catalyst system can contain, in addition, a Group 2 or Group 3 metal-alkyl compound.
|
申请公布号 |
WO9627621(A1) |
申请公布日期 |
1996.09.12 |
申请号 |
WO1996US01038 |
申请日期 |
1996.01.26 |
申请人 |
CHEVRON CHEMICAL COMPANY |
发明人 |
BEACH, DAVID, L.;CARNEY, MICHAEL, J.;MORA, JAVIER, M. |
分类号 |
C08F4/622;C08F4/639;C08F4/6392;C08F10/00;(IPC1-7):C08F4/622 |
主分类号 |
C08F4/622 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|