Low-irritant surfactant composition

Details Low-irritant surfactant composition Low-irritant surfactant composition

1978-11-20

1981-01-20

Willis, Jr., P. E.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252545, 252546, 252550, 252551, 252555, 252DIG13, 252DIG14, C11D 110, C11D 750

Patent

active

042461316

ABSTRACT:
A low irritant surfactant composition particularly adapted for shampoos and other light duty cleansing applications, comprising substantially equimolar amounts of a betaine surfactant and an amine fatty alcohol sulfate or sulfonate in a high boiling water miscible, polar, organic liquid. Preferably, the betaine is of the formula: ##STR1## wherein R.sub.1 is a long chain alkyl group and R.sub.2 is a short chain alkylene group, and n is an integer from 1 to 3; and the betaine is prepared in a reaction system containing the organic liquid. The alkanolamine fatty alcohol sulfate or sulfonate is then added to the system in an equimolar amount, or preferably prepared in situ in the reaction medium by the reaction of an amine with a long chain alkyl monoester of sulfuric acid.

REFERENCES:
patent: 3870647 (1975-03-01), Travers
patent: 3928251 (1975-12-01), Bolich et al.
patent: 3950417 (1976-04-01), Verdicchio et al.
patent: 3957970 (1976-05-01), Korkis
patent: 4166048 (1979-08-01), Nishimura et al.
Lehne, R. K., "Specialty Polyols," American Perfumer and Cosmetics, vol. 78, Oct., 1963, pp. 103-106.

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