Water-dispersible hydrophobic thickening agent

Compositions – Leather or fur treating

Patent

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Details

252 85C, 252 855R, 252 855D, 2523151, 524375, 524401, 524423, 524436, 524555, C09K 702, E21B 4322, E21B 4326

Patent

active

044328818

ABSTRACT:
An aqueous liquid medium having increased low shear viscosity as provided by dispersing into the aqueous medium (1) a water-soluble polymer having pendant hydrophobic groups, e.g., an acrylamide dodecyl acrylate copolymer, and (2) a water-dispersible surfactant, e.g., sodium oleate, or dodecyl polyethyleneoxy glycol monoether. The thickened aqueous medium is suitably emloyed in applications requiring viscous liquids which retain their viscosity when subjected to shear, heat or high electrolyte (salt) concentrations. Such applications include uses in enhanced oil recovery processes, as fluid mobility control agents, fracturing fluids and drilling muds, as well as hydraulic fluids and lubricants in many applications.

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