Water-in-oil emulsions having improved low temperature...

Details Water-in-oil emulsions having improved low temperature... Water-in-oil emulsions having improved low temperature...

B - Operations, Transporting

01

F

134/45, 400/7021

B01F 17/22 (2006.01) C08J 3/02 (2006.01) C08K 5/20 (2006.01)

Patent

CA 1209011

ABSTRACT OF THE DISCLOSURE This invention is directed to a water-in-oil emulsion comprising a self-inverting water-in-oil emulsion of a water-soluble polymer containing an N,N-dialkyl amide of the formula: Image wherein R is alkyl, alkenyl, cycloalkyl, aryl, or inertly substituted alkyl, alkenyl, cycloalkyl, or aryl and each R' is independently an alkyl, said N,N-dialkyl amide being employed in an amount sufficient to improve the low temperature properties of the emulsion. The low temperature properties are the stability of the emulsion upon repeated freeze-thaw cycles and/or the fluidity of the emulsion at low temperatures such as -20°C. 37

462411

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