Process for removing water-soluble protein from vinyl chloride r

Details Process for removing water-soluble protein from vinyl chloride r Process for removing water-soluble protein from vinyl chloride r

Filed on

1980-04-29

Date issued

1982-10-19

Examiner

Henderson, C. A.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

Polymers from only ethylenic monomers or processes of...

Other Related Categories

5263442, 5263443, 526910, C08F 220, C08F 624, C08F 1406

Type

Patent

Status

active

Patent number

043551467

Description

ABSTRACT:
A process for producing a blending vinyl chloride resin, which comprises subjecting a vinyl chloride monomer or a mixture of vinyl chloride and a monomer copolymerizable therewith to suspension polymerization in an aqueous medium using a water-soluble protein as a suspending agent, and treating the resulting polymer with a proteolytic enzyme.

REFERENCES:
patent: 2833754 (1958-05-01), Richards
patent: 3534010 (1970-10-01), Cornell
patent: 3663520 (1972-05-01), Balwe

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