Process for the production of cycloolefin random copolymer

Details Process for the production of cycloolefin random copolymer Process for the production of cycloolefin random copolymer

C - Chemistry, Metallurgy

08

F

C08F 232/00 (2006.01) C08F 4/642 (2006.01) C08F 210/00 (2006.01) C08F 210/02 (2006.01) C08F 232/08 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)

Patent

CA 2170703

There is provided a process for the production of a cycloolefin copolymer which comprises copolymerizing an .alpha.- olefin having 2 or more carbon atoms and a specific cycloolefin in the presence of a specific metallocene type catalyst in a hydrocarbon solvent having a solubility parameter (value of .delta.) of 7.7 to 8.7 [(cal/cm3)1/2]. A cycloolefin copolymer having a high glass transition temperature can be produced at a high yield by this process.

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