Cycloolefin type random copolymer compositions and uses thereof

Details Cycloolefin type random copolymer compositions and uses thereof Cycloolefin type random copolymer compositions and uses thereof

C - Chemistry, Metallurgy

08

G

400/6401

C08G 61/08 (2006.01) C08F 210/02 (2006.01) C08K 5/098 (2006.01) C08K 5/103 (2006.01) C08K 5/134 (2006.01) C08L 23/08 (2006.01) C08L 65/00 (2006.01)

Patent

CA 1340928

Compositions comprising (A) cycloolefin random copolymer containing an ethylene component, and a cycloolefin component represented by they general formula [I] or [II]: (see formula I) (see formula II) (wherein n and m are each 0 or a positive integer, l is an integer of at least 3, and R1 through R10 each represent hydrogen, halogen or hydrocarbon) and having an intrinsic viscosity of 0.05-10 dl/g as measured at 135°C in decalin and a softening temperature (TMA) not lower than 70°C, and (B) a cycloolefin random copolymer containing an ethylene component, and a cyclo-olefin component represented by the general formula [I] or [II] and having an intrinsic viscosity of 0.01-5 dl/g as measured at 135°C in decalin and a softening temperature (TMA) of below 70°C, at a component (A)/component (B) weight ratio of from 100/0.1 to 100/10. The composition is particularly useful for molding an information recording base board.

565484

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