Preparation of polymers from cycloolefins

Details Preparation of polymers from cycloolefins Preparation of polymers from cycloolefins

1982-01-20

1983-04-19

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252431N, 526283, C08F 478

Patent

active

043806171

ABSTRACT:
Process for polymerizing by ring opening polymerization of a norbornene-type monomer, or a mixture thereof, with or without at least one other polymerizable monomer, in presence of an alkylaluminum halide cocatalyst and an organoammonium molybdate or tungstate catalyst that is soluble in a hydrocarbon reaction solvent and the norbornene-type monomer.

REFERENCES:
patent: 3627739 (1971-12-01), Devlin et al.
patent: 3778420 (1973-12-01), Brown et al.
patent: 4020254 (1977-04-01), Ofstead
patent: 4069376 (1978-01-01), Minchak
patent: 4138448 (1979-02-01), Minchak

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