Cyclopentene copolymerization process

Details Cyclopentene copolymerization process Cyclopentene copolymerization process

1979-02-21

1980-12-16

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 526142, 526283, C08F 462, C08F23200

Patent

active

042398746

ABSTRACT:
There is disclosed a process for the preparation of gel-free rubbery copolymers of cyclopentene and dicyclopentadiene by means of a catalyst system comprising (A) a soluble tungsten halide or oxyhalide, (B) an organoaluminum compound, (C) an alcohol and (D) a polyhalogenated phenol.

REFERENCES:
patent: 3631010 (1971-12-01), Witte et al.
patent: 3778420 (1973-12-01), Brown et al.
patent: 3941757 (1976-03-01), Wakabayashi et al.
patent: 4025708 (1977-05-01), Minchak et al.
patent: 4137390 (1979-01-01), Ofstead

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