Patent ID: 7482412

Claim:
A process for manufacturing a cycloolefin addition polymer, comprising: initiating polymerization with at most 80 wt % of a total amount of a monomer composition comprising at least one cycloolefin compound represented by formula (1): wherein A 1 to A 4 each, independently, represent a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a hydrocarbon group containing an oxygen atom or a nitrogen atom and having 1 to 20 carbon atoms, a trialkylsilyl group having 3 to 12 carbon atoms, or a hydrolyzable silyl group having 0 to 12 carbon atoms, and m is 0 or 1, in the presence of a catalyst comprising at least one of a nickel compound or a palladium compound and at least one molecular weight controlling agent, and then adding the remaining amount of the monomer composition during the polymerization.