Process for the preparation of polymers of cyclopentene or copol

Details Process for the preparation of polymers of cyclopentene or copol Process for the preparation of polymers of cyclopentene or copol

1977-09-07

1979-10-30

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, 526143, 526308, C08F 452, C08F 3204

Patent

active

041729323

ABSTRACT:
There is disclosed a process for the preparation of polymers of cyclopentene or copolymers of cyclopentene with non-conjugated unsaturated alicyclic compounds containing at least 7 carbon atoms in the ring and at least one double bond in the ring or polycyclic olefins or non-conjugated diolefins by the use of the catalyst system comprising (a) tungsten halides or oxyhalides, (b) an organoaluminum compound, (c) an alcohol, and (d) a halogenated phenol.

REFERENCES:
patent: 3631010 (1971-12-01), Witte et al.
patent: 3935179 (1976-01-01), Ofstead
patent: 4038471 (1977-07-01), Castner

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