Citrate plasticizer for PVC compound

摘要

Plasticizer for PVC compositions is a mixture of esters with a predominant content of tri- (2-ethylhexyl) citrate, wherein the plasticizer for feedstock using citric acid and bottoms of rectification 2-ethylhexanol, which acts as reactant and solvent simultaneously, the reaction is conducted by refluxing a mixture of citric acid and KOREG in a weight ratio of 1: 3.5-7, respectively, in the absence of a catalyst at 190-220 ° C for 12-16 hours.