Water-soluble vinyl-pyrrolidone block copolymers

Details Water-soluble vinyl-pyrrolidone block copolymers Water-soluble vinyl-pyrrolidone block copolymers

1975-06-06

1976-11-23

Wyse, Thomas G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 296HN, 260 296SQ, 260885, 210 54, C08F 1500, C08F 4524

Patent

active

039937127

ABSTRACT:
Block polymers of the A-B-A type wherein the A block is derived from a water-soluble monomer and the B block is derived from N-vinyl pyrrolidone. The polymers are water soluble and are useful as flocculants.

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patent: 3468832 (1969-09-01), Barabas et al.
patent: 3692673 (1972-09-01), Hoke
patent: 3776983 (1973-12-01), Iovine et al.

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