Process for producing directly esterified fatty acyl isethionate

Details Process for producing directly esterified fatty acyl isethionate Process for producing directly esterified fatty acyl isethionate

1981-08-24

1983-09-20

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14390, C11D 128

Patent

active

044055269

ABSTRACT:
This invention discloses a method of producing directly esterified fatty acyl isethionate having a yellowness index less than about 6.0, which consists essentially of reacting a fatty acid with an alkali metal isethionate in the presence of a catalyst comprising a mixture of ZnO and an organic sulfonic acid wherein the molar ratio of ZnO to organic solfonic acid is about 1:1.7 or less and heating at about 200.degree. C. to about 255.degree. C. for sufficient time to produce the desired directly esterified fatty acyl isethionate.

REFERENCES:
patent: 3004049 (1961-10-01), Schenck
patent: 3320292 (1967-05-01), Cahn et al.
patent: 3383396 (1968-05-01), Cahn et al.
patent: 3394155 (1968-07-01), Cahn et al.
patent: 3429136 (1969-02-01), Holt et al.
patent: 3880897 (1975-04-01), Landy
J.A.O.C.S. 44, 157-158 (1967) "A Reference Standard for Quaternary Solutions Used for Titrating Anionic Detergents".
Ann. 605, 111-117 (1957) by Langenbeck et al., "Hydrolytic Effects of Metal Salts of Organic Acids I".
ASTM Standards, Part 10, 1961, pp. 1099-1101.

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