Inversion of water-in-oil emulsions of polyacrylamide in hard wa

Details Inversion of water-in-oil emulsions of polyacrylamide in hard wa Inversion of water-in-oil emulsions of polyacrylamide in hard wa

1977-05-11

1978-09-19

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296WQ, C08F 614

Patent

active

041153405

ABSTRACT:
Anionic water-in-oil emulsions of polyacrylamide are readily inverted in hard water for dissolution of the polymer therein by effecting inversion at a dilution such that insufficient hardness is present to cause emulsion breaking.

REFERENCES:
patent: 3278506 (1966-10-01), Chamot et al.
patent: 3284393 (1966-11-01), Vanderhoff et al.
patent: 3624019 (1971-11-01), Anderson et al.
Emulsions: Theory and Practice, by Becker, 1965, pp. 166-171 and 182-186, Rheinhold Publ. Corp., N.Y.

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