Novel water-soluble copolymer

Details Novel water-soluble copolymer Novel water-soluble copolymer

1984-10-05

1987-03-24

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252 8551, C08F 2052

Patent

active

046526218

ABSTRACT:
A novel water-soluble copolymer which is characterized by being an addition copolymer comprising 5-70 mole % of (a) an N-substituted .alpha.,.beta.-unsaturated dicarboxylic acid 5-membered ring imide having a sulfo or sulfoxy group-containing residue attached to the nitrogen atom, 30-95 mole % of (b) an .alpha.,.beta.-unsaturated aliphatic monocarboxylic acid and 0-50 mole % of (c) and .alpha.,.beta.-unsaturated aliphatic dicarboxylic acid and having a number average molecular weight of 500-5,000,000, and a salt thereof.

REFERENCES:
patent: 3039870 (1962-06-01), Laakso et al.
patent: 3052656 (1962-09-01), Groene et al.
patent: 3725356 (1973-04-01), Luders et al.

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