Process for producing cycloolefin random copolymer

Details Process for producing cycloolefin random copolymer Process for producing cycloolefin random copolymer

C - Chemistry, Metallurgy

08

F

402/404, 402/531

C08F 210/02 (2006.01) C08F 6/06 (2006.01) C08F 232/08 (2006.01) C08G 61/08 (2006.01)

Patent

CA 1330469

Abstract of the Disclosure A process for producing a cycloolefin random copolymer, which comprise (1) copolymerizing (a) ethylene or both ethylene and an alpha-olefin having at least 3 carbon atoms with (b) an cycloolefin such as octahydro- naphthalenes and bicyclo[2,2,1]hept-2-ene in the presence of (c) a catalyst formed from a soluble vanadium compound and an organoaluminum compound at least one of which has halogen, in (d) a liquid phase composed of a hydrocarbon medium to form a solution of a cycloolefin random co- polymer, and (2) contacting the resulting copolymer solution with (e) an adsorbent containing a metal cation.

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