Process for the production of fatty acid esters of hydroxyalkyl

Details Process for the production of fatty acid esters of hydroxyalkyl Process for the production of fatty acid esters of hydroxyalkyl

1984-03-13

1985-05-07

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14390, C11D 128

Patent

active

045157219

ABSTRACT:
Fatty acid esters of hydroxyalkyl sulfonates are prepared by heating an excess of the fatty acids with the sulfonate until the water of condensation is removed. The hot crude ester is then quenched by immersion in an excess of cooled liquid, in which the ester product is soluble but in which unreacted, excess fatty acids are insoluble. The resulting slurry is filtered to separate the relatively pure ester from the quenching liquid containing dissolved free fatty acid. Isopropanol is the preferred quenching liquid.

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