Stabilization of cationically modified acrylamide polymers

Details Stabilization of cationically modified acrylamide polymers Stabilization of cationically modified acrylamide polymers

1975-11-03

1978-02-14

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296HN, 260 296WQ, 260 296Z, C08L 3326

Patent

active

040737632

ABSTRACT:
A process for preparing cationic acrylamide polymers through the reaction of a formaldehyde-secondary amine adduct with a water-in-oil emulsion of finely divided acrylamide polymer formed by treatment with an oxygen containing halogen free inorganic acid or its alkali metal salts. The resulting products are further characterized in that they can be inverted easily into aqueous solution. Compositions produced by the invention are also disclosed.

REFERENCES:
patent: 2761834 (1956-09-01), Suen et al.
patent: 2927911 (1960-03-01), Lang
patent: 3225005 (1965-12-01), Asmus et al.
patent: 3539535 (1970-11-01), Wisner
patent: 3556933 (1971-01-01), Williams et al.
patent: 3620991 (1968-09-01), Wasser
patent: 3979348 (1976-09-01), Ballweber et al.

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