Synthesis of higher polyol fatty acid polyesters using high...

Details Synthesis of higher polyol fatty acid polyesters using high... Synthesis of higher polyol fatty acid polyesters using high...

C - Chemistry, Metallurgy

07

C

260/483, 260/233

C07C 69/33 (2006.01) C07H 13/06 (2006.01)

Patent

CA 1219859

SYNTHESIS OF HIGHER POLYOL FATTY ACID POLYESTERS USING HIGH SOAP:POLYOL RATIOS ABSTRACT OF THE DISCLOSURE An improved solvent-free transesterification process for producing higher polyol fatty acid polyesters is disclosed. In this process a mixture of a polyol, a fatty acid methyl, 2-methoxy ethyl or benzyl ester, an alkali metal fatty acid soap, and a basic catalyst, having a molar ratio of soap:polyol of from about 0.6:1 to about 1:1, preferably from about 0.75:1 to about 1:1. is heated to form a homogeneous melt. To this melt is subsequently added excess fatty acid methyl, 2-methoxy ethyl or benzyl ester, yielding the desired polyol fatty acid polyesters.

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