Modified polycycloolefins

Details Modified polycycloolefins Modified polycycloolefins

C - Chemistry, Metallurgy

08

G

402/423, 402/452

C08G 61/08 (2006.01) C08G 61/02 (2006.01)

Patent

CA 1330377

Abstract of Disclosure Solution and RIM polymerization of cycloolefins containing at least one norbornene moiety is carried out in the presence of a metathesis catalyst system and an activator, particularly a chlorosilane activator, to obtain faster reaction with higher conversions at lower mold temperatures. The metathesis catalyst system includes an organoammonium molybdate or tungstate catalyst and an alkylaluminum or an alkylaluminum halide cocatalyst. The chlorosilane activator is used at a level of 0.05 to 10 millimoles per mole of the cycloolefin monomers.

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