Removal of acrylonitrile from latex with oximes

Details Removal of acrylonitrile from latex with oximes Removal of acrylonitrile from latex with oximes

1981-12-28

1982-12-21

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

528492, C08K 516

Patent

active

043650279

ABSTRACT:
Acrylonitrile is a monomer that is widely used in the synthesis of a vast variety of polymers. Undesirable quantities of unpolymerized residual acrylonitrile are often present in these acrylonitrile polymers. This residual or free acrylonitrile dissolved in an acrylonitrile polymer and/or its emulsifier system and the water phase used in its polymerization can be reduced significantly in concentration by treatment with oximes. Oximes react with acrylonitrile by an oxygen-cyanoethylation reaction which results in the formation of a cyanoethyl oximino ether linkage.

REFERENCES:
patent: 3692726 (1972-09-01), Oehmichen
patent: 4196111 (1980-04-01), Gomez
patent: 4251412 (1981-02-01), Ferrini
patent: 4255307 (1981-03-01), Miller
patent: 4272425 (1981-06-01), Miller et al.
patent: 4278582 (1981-07-01), Miller

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