Freeze-thaw stable polyacrylamide emulsions

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

1988-04-15

1989-07-04

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524808, 524809, 524812, 524814, 524815, 524817, 524827, 524829, 524831, 524832, 524833, C08K 515

Patent

active

048451380

ABSTRACT:
Water-in-oil emulsions of water-soluble polymers, i.e. polyacrylamides, which are subject to freeze-thaw degradation are stabilized against repeated freeze-thaw cycles by incorporating specific substituted succinic anhydrides.

REFERENCES:
patent: 3551370 (1970-12-01), Dalton
patent: 3666510 (1972-05-01), Coaker et al.
patent: 4339371 (1982-07-01), Robinson et al.

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