Ethoxylated sulfosuccinate additives for stabilizing solutions o

Details Ethoxylated sulfosuccinate additives for stabilizing solutions o Ethoxylated sulfosuccinate additives for stabilizing solutions o

1980-12-02

1983-07-05

Guynn, Herbert B.

Compositions

Leather or fur treating

166273, 166274, E21B 4322

Patent

active

043917194

ABSTRACT:
Ethoxylated sulfosuccinate derivatives, e.g., diesters and half-esters of alpha-sulfosuccinic acid and ethoxylated alcohols are added as phase stabilizing agents to aqueous saline solutions of petroleum sulfonates to substantially prevent or to eliminate phase separation and/or precipitation of surfactant and/or cosurfactant in such solutions on contacting them with hard brines containing high concentrations of divalent ions such as CA.sup.++ and Mg.sup.++.

REFERENCES:
patent: 2356205 (1944-08-01), Blair et al.
patent: 3500912 (1970-03-01), Davis et al.
patent: 3536136 (1970-10-01), Jones
patent: 3981361 (1976-09-01), Healy
patent: 4079785 (1978-03-01), Hessert et al.
patent: 4239628 (1980-12-01), Vinatieri
patent: 4252657 (1981-02-01), Barriol et al.

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