Viscosity reduction of aqueous alpha-olefin sulfonate detergent

Details Viscosity reduction of aqueous alpha-olefin sulfonate detergent Viscosity reduction of aqueous alpha-olefin sulfonate detergent

1973-11-26

1976-05-04

Willis, Jr., P. E.

Compositions

Fluent dielectric

N-containing

252527, 252536, 252546, C11D 114, C11D 3065, C11D 1102

Patent

active

039546799

ABSTRACT:
The viscosity of an aqueous alpha-olefin sulfonate detergent composition is reduced by treating such composition, usually at a concentration of 30 to 60%, with a viscosity reducing proportion, usually from 2 to 20%, of a water soluble inorganic halide salt, preferably sodium chloride. By reducing the viscosity, detergent compositions containing the alpha-olefin sulfonate detergent are made more readily pourable, pumpable and sprayable, facilitating their use in liquid detergents and in spray dried particulate form. Because the addition of halide salt may cause separation into different phases it is possible to increase the concentration of the alpha-olefin sulfonate by utilizing the phase richer in content of such detergent material.
The viscosity reducing effect of the halide salt is utilizable in manufacturing the alpha-olefin detergent composition by thinning such composition in the neutralization, bleaching and other steps in its manufacture, thereby allowing the use of less water and facilitating an increase in detergent solids content of the final alpha-olefin sulfonate detergent compositions made.

REFERENCES:
patent: 2434683 (1948-01-01), Buis et al.
patent: 3632515 (1972-01-01), Sharman
patent: 3640880 (1972-02-01), Martin
patent: 3708437 (1973-01-01), Sweeney
patent: 3741915 (1973-06-01), Paviak
patent: 3816352 (1974-06-01), Loureiro et al.
patent: 3852221 (1974-12-01), Bentley
Knaggs et al., "Alpha Olefin Sulfonates- New Cosmetic Sulfonates," Stepan Chem. Co., N. Ill., Dec. 1967, pp. 1-5, 10, 11 & 19.

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