Process for the production of a surfactant containing...

Details Process for the production of a surfactant containing... Process for the production of a surfactant containing...

C - Chemistry, Metallurgy

11

D

134/14

C11D 9/26 (2006.01) C07H 13/06 (2006.01)

Patent

CA 1153945

ABSTRACT The process for the preparation of a surfactant mixture containing sucrose mono- and di-esters, by reacting a starting mixture including solid particulate sucrose, at least one triglyceride of a fatty acid having at least 8 carbon atoms and a basic transester- ification catalyst, at a temperature of from 110 to 140°C at atmospheric pressure and in the absence of any solvent, is improved by using a starting mixture which:- (a) contains a di and/or mono-glyceride in an amount to provide a hydroxyl value of greater than 500 mg KOH/100g of starting mixture; (b) contains at least 10% by weight of a fatty acid soap in addition to the basic transesterification catalyst, at least 50g by weight of the soap being potassium soap, and (c) (when the soap content is less than 20% by weight) contains at least 25% by weight of sucrose. The improved process gives good yields in much shorter reaction times and the products have high HLB values.

356985

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