Shortstopping of free radical polymerizations

Details Shortstopping of free radical polymerizations Shortstopping of free radical polymerizations

1994-03-30

1995-01-24

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 84, C08F 242

Patent

active

053843720

ABSTRACT:
The present invention relates to a method of terminating a free radical initiated emulsion polymerization by using a shortstopping agent selected from the group consisting of isopropylhydroxylamine and salts thereof. One advantage in using these shortstopping agents is these shortstopping agents do not contribute to the generation of volatile nitrosamines.

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patent: 4355131 (1982-10-01), Wise
patent: 4749757 (1988-06-01), Schram et al.
patent: 5002982 (1991-03-01), Neubert

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