Process for production of cyclic olefin copolymer and...

C - Chemistry – Metallurgy – 08 – F

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C08F 232/08 (2006.01) C08F 210/02 (2006.01) C08F 210/16 (2006.01) C08F 232/00 (2006.01) C08G 61/08 (2006.01) C08F 4/659 (2006.01)

Patent

CA 2147589

There is provided a process for producing a cyclic olefin copolymer by copolymerizing (A) ethylene and (B) a particular cyclic olefin in the presence of (C) a metallocene catalyst and (D) a small amount of an .alpha.-olefin having 3 to 20 carbon atoms. According to the said process, said copolymer can be produced at a high activity and its molecular weight can be controlled in a wide range. The copolymer produced by the said process has excellent properties inherent to the cyclic olefin copolymer.

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