Impact modified polycycloolefins

Details Impact modified polycycloolefins Impact modified polycycloolefins

1982-09-29

1983-11-29

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525276, 525289, 525290, C08L 2306, C08L 2312, C08L 4500

Patent

active

044181795

ABSTRACT:
Impact modified polycycloolefin is made by ring opening bulk polymerization of at least one monomer containing at least one norbornene group in the presence of an organoammonium molybdate or tungstate catalyst and an alkoxyalkylaluminum halide cocatalyst as well as a sufficient amount of an impact modifier selected from polyolefin powders and polyvinylidene fluoride powders.

REFERENCES:
patent: 4005156 (1977-01-01), Schmeriing
patent: 4140731 (1979-02-01), Nakamura et al.

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