High molecular weight polystyrene production by vinyl acid catal

Details High molecular weight polystyrene production by vinyl acid catal High molecular weight polystyrene production by vinyl acid catal

1997-02-26

1999-10-05

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 86, 526 87, C08F 202

Patent

active

059626054

ABSTRACT:
The present invention is a free radical bulk polymerization process for the preparation of high molecular weight polymers from vinyl aromatic monomers, characterized in that the polymerization is conducted in the presence of a vinyl acid containing either a sulfur or phosphorus atom within the acid functional group.

REFERENCES:
patent: 4367320 (1983-01-01), Murray
patent: 5068255 (1991-11-01), Harris

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