Bridged bis-fluorenyl metallocenes, process for the...

Details Bridged bis-fluorenyl metallocenes, process for the... Bridged bis-fluorenyl metallocenes, process for the...

C - Chemistry, Metallurgy

07

F

C07F 17/00 (2006.01) C08F 4/52 (2006.01) C08F 4/602 (2006.01) C08F 10/00 (2006.01) C08F 4/619 (2006.01) C08F 4/6192 (2006.01)

Patent

CA 2170928

Metallocene compounds having two fluorenyl ligands bridged with a single silicon or germanium atom, said atom having two substituent groups containing a total of at least four carbon atoms, are useful as catalyst components for the polymerization of olefins. Particularly, it is possible to prepare high molecular weight atactic polypropylene with improved yields with respect to the known catalysts.

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