Production of highly-dispersible water-soluble polymers

Details Production of highly-dispersible water-soluble polymers Production of highly-dispersible water-soluble polymers

1988-08-24

1989-10-17

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

522 84, 522 3, 522 13, C08F 200

Patent

active

048748277

ABSTRACT:
The water dispersibility of water-soluble vinyl polymers, for example, polyacrylamides, is improved by incorporating a suitable surfactant in the monomer mixture from which the polymer is formed. The polymerization is effected by an initial phase of ultraviolet radiation-induced free radical polymerization until the monomer mix achieves the temperature at which chemically-induced free radical polymerization commences and then a terminal phase of chemically-induced free radical polymerization.

REFERENCES:
patent: 4612336 (1986-09-01), Tada et al.
CA 96(26): 218736y, 1982 by Erard et al.

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