Metallocenes, and their use as catalysts

Details Metallocenes, and their use as catalysts Metallocenes, and their use as catalysts

C - Chemistry, Metallurgy

07

F

C07F 17/00 (2006.01) C08F 4/52 (2006.01) C08F 4/622 (2006.01) C08F 4/74 (2006.01) C08F 10/00 (2006.01) C08F 32/00 (2006.01) C08L 45/00 (2006.01) C08F 4/619 (2006.01) C08F 4/6192 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 110/06 (2006.01) C08F 210/16 (2006.01) C08F 210/18 (2006.01)

Patent

CA 2138723

The present invention relates to a stereorigid metallocene compound containing, as ligands, at least two substituted or unsubstituted cyclopentadienyl groups which are bonded to one another via a monocyclic or polycyclic ring system, where at least one cyclopentadienyl group is fused to the monocyclic or polycyclic ring system, and to a process for the preparation of a cycloolefin copolymer. The cycloolefin copolymers obtained in this way have high tear strengths and are suitable for the production of extrusion parts and infection moldings.

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