Process for the preparation of a copolymer of .alpha.-methylstyr

Details Process for the preparation of a copolymer of .alpha.-methylstyr Process for the preparation of a copolymer of .alpha.-methylstyr

1980-12-19

1982-07-20

Henderson, C. A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

526342, 528491, C08F 622

Patent

active

043407234

ABSTRACT:
An improved process for the preparation of copolymers of .alpha.-methylstyrene and other co-monomers such as acrylonitrile styrene, methyl methacrylate and the like, wherein a substantially water-immiscible softener is employed, particularly prior to coagulation of the latex formed of the copolymer, whereby an improved product of higher bulk density and easier to employ in a subsequent processing is obtained.

REFERENCES:
patent: 3108983 (1963-10-01), Barclay
patent: 3668195 (1972-06-01), Van Der Geer
patent: 3761455 (1973-09-01), Tanaka
patent: 3875104 (1975-04-01), Siegele
patent: 4001486 (1977-01-01), Phillips
patent: 4025711 (1977-05-01), Davidson

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