The preparation of the ester of fatty acid and hydroxycarboxylic acid

The preparation of the ester of fatty acid and hydroxycarboxylic acid

  • CN 104,428,279 B
  • Filed: 06/14/2013
  • Issued: 02/22/2019
  • Est. Priority Date: 06/18/2012
  • Status: Active Grant
First Claim
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1. the method for being used to prepare the salt of the aliphatic ester of hydroxycarboxylic acid, the method includes there are liquid phase at a temperature of heatThe salt of hydroxycarboxylic acid and the catalyst mixed with the C8-C24 aliphatic ester of the lower alcohol with 1-4 carbon atom, and, make thisMixture carries out transesterification, and thus the temperature of this method is kept at or below the C8-C24 of the lower alcohol with 1-4 carbon atomThe boiling point of aliphatic ester and in the heating of the mixture and Exchange Ester Process temperature within the scope of 160-200 DEG C, whereinThe mixture of two reactants is in liquid, and the heating and transesterification of the mixture of two of them reactant at the reaction temperaturesIt is carried out in the case where being not present and being enough to be formed the organic solvent of liquid amount.

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