Freeze-thaw, stable, self-inverting water-in-oil, acrylamide...

Details Freeze-thaw, stable, self-inverting water-in-oil, acrylamide... Freeze-thaw, stable, self-inverting water-in-oil, acrylamide...

C - Chemistry, Metallurgy

08

L

400/9204

C08L 33/26 (2006.01) C08J 3/02 (2006.01)

Patent

CA 1089577

ABSTRACT OF THE DISCLOSURE A freeze-thaw stable, self-inverting, water-in-oil emulsion comprising an aqueous phase of a polymer of acrylamide, a hydrocarbon oil, a water-in-oil emulsifying agent and an inverting surfactant mixture com- prising sodium bis(2-ethylhexyl)sulfosuccinate and a sodium bis(C11-C15 alkyl) sulfosuccinate or an ethoxylated octyl or nonyl phenol and a method for the preparation thereof. The present emulsions do not form into clumps under alternate freezing and thawing conditions. They are useful as flocculants for sewage, cellulose fibers, metal ores, plating wastes, coal trailings, steel mill fines and potable water, for example.

276771

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