Freeze-thaw stable polyacrylamide emulsions

Details Freeze-thaw stable polyacrylamide emulsions Freeze-thaw stable polyacrylamide emulsions

1992-03-27

1993-04-06

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524458, 524460, 524517, C08K 510

Patent

active

052004481

ABSTRACT:
Water-in oil emulsions of water-soluble polymers, i.e. polyacrylamides, are stabilized against repeated freeze-thaw cycles by incorporating specific polymeric surfactants while maintaining the total amount of the primary surfactant at less than about 2 percent.

REFERENCES:
patent: 4339371 (1982-07-01), Robinson et al.

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