Catalyst based on rare earth metal compounds

Details Catalyst based on rare earth metal compounds Catalyst based on rare earth metal compounds

C - Chemistry, Metallurgy

08

F

C08F 4/58 (2006.01) C08F 4/52 (2006.01) C08F 36/00 (2006.01) C08F 136/06 (2006.01) C08F 136/08 (2006.01) C08F 236/08 (2006.01)

Patent

CA 2324174

The present invention comprises a catalyst based on rare earth metal compounds which consists of a rare earth metal compound, an organic aluminum compound and a trihalosilane, of a process for the production thereof and of the use of the catalyst for polymerizing conjugated dimes. Using the catalyst according to the invention, it is possible to polymerize conjugated dimes at high space-time yields to form high molecular weight polybutadienes.

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