Olefin polymerization catalyst and process for olefin...

Details Olefin polymerization catalyst and process for olefin... Olefin polymerization catalyst and process for olefin...

C - Chemistry, Metallurgy

08

F

C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)

Patent

CA 2159409

Disclosed is an olefin polymerization catalyst obtained by prepolymerizing an olefin in the presence of a solid catalyst component and an organoaluminum compound and/or Lewis acid or an ionic compound containing a boron atom, said solid catalyst component being obtained by allowing a fine particle carrier to support first an organoaluminum oxy-compound and then a transition metal compound which has a ligand of such a structure that two groups each having an indenyl skeleton are crosslinked by a (substituted) silylene group and has a substituent at the specific position. Also disclosed is a process for olefin polymerization using said olefin polymerization catalyst. According to the olefin polymerization catalyst or the process for olefin polymerization, polyolefins of high polymerization activity and high bulk specific gravity can be obtained.

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