Process for producing cyclic olefin based polymers, cyclic...

Details Process for producing cyclic olefin based polymers, cyclic... Process for producing cyclic olefin based polymers, cyclic...

C - Chemistry, Metallurgy

08

F

C08F 210/00 (2006.01) C08F 4/65 (2006.01) C08F 4/68 (2006.01) C08F 4/70 (2006.01) C08F 32/00 (2006.01) C08F 232/00 (2006.01) C08L 23/00 (2006.01) C08L 23/08 (2006.01) C08L 45/00 (2006.01)

Patent

CA 2070654

A process for effectively producing a cyclic olefin polymer and a cyclic olefin/alpha-olefin copolymer without opening the cyclic olefin, is disclosed. Further, a novel cyclic olefin/alpha-olefin copolymer prepared by the above-mentioned process, compositions and molded articles comprising the novel copolymer, are also disclosed. In the process for producing a cylcic olefin based polymer according to the present invention, homopolymerization of a cyclic olefin or copolymerization of a cyclic olefin and an alpha-olefin is effected in the presence of a catalyst comprising, as main ingredients, the following Compounds (A) and (B), and optionally Compound (C): (A) a transition metal compound; (B) a compound capable of forming an ionic complex when reacted with a transition metal compound; and (C) an organoaluminum compound.

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