Hydrogenated ring-opening polymer and process for producing...

Details Hydrogenated ring-opening polymer and process for producing... Hydrogenated ring-opening polymer and process for producing...

C - Chemistry, Metallurgy

08

F

402/420, 402/452

C08F 212/32 (2006.01) C08F 2/60 (2006.01) C08F 232/06 (2006.01) C08G 61/08 (2006.01)

Patent

CA 2030506

ABSTRACT The present invention provides a hydrogenated polycyclic norbornene ring-opening polymer which is excellent in heat resistance, optical characteristics and processability which comprises recurring units represented by the following formula [I] and [II] or these recurring units substituted with alkyl in an amount of at least 10 mol% based on total polymer units and has an intrinsic viscosity [n] of 0.01-20 dl/g measured in toluene at 25°C, with at least 50% of C ??? C bonds which constitute main chain being single bonds: [I] Image [II] Image wherein ??? denotes a double bond or a single bond.

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