Alpha-olefin polymerization catalyst system which contains an aromatic silane compound
申请人:——
公开号:US20010016635A1
公开(公告)日:2001-08-23
Aromatic silane compounds containing at least an aromatic ring bound directly to the silicon atom, wherein the aromatic ring has at least one substituent located in the ortho position selected from C
1-10
hydrocarbon groups, are useful as electron donors in olefin polymerization catalysts for the production of polyolefins having a stereoblock content of from about 7 to about 25%.