TheSynthesisofOleicAcidPolyglycolEster.pdfVIP

J Surfact Deterg (2009) 12:1–5 DOI 10.1007/s11743-008-1091-5 ORIGINAL ARTICLE The Synthesis of Oleic Acid Polyglycol Ester Catalyzed by Solid Super Acid Xiao-min Luo Æ Long-fang Ren Æ Xiao-lei Zhang Æ Tao-tao Qiang Received: 23 January 2008 / Accepted: 10 July 2008 / Published online: 2 October 2008 AOCS 2008 Abstract A SO42-/ZrO2 super acid was prepared and the lumequeic acid and accounts for more than 50% of natural effect of different kinds of catalysts on the esterification fatty acids. Moreover, it is also the main component of reaction reviewed. The results showed that the SO42-/ZrO2 liquid vegetable oil. Oleic acid polyglycol ester is an super acid had higher catalytic activity and reactive important reaction intermediate. It can be further trans- selectivity in the synthesis of oleic acid polyglycol ester. formed into various kinds of surfactants, lubricant oil and oil Under optimum conditions the product was a monoester additives, and products for other applications [1–6]. In order and the rate of production was more than 90%. The reac- to satisfy the demands of environmental protection, the tion product was characterized. chemical industry must move towards sustainable devel- opment. Consequently the traditional liquid acid catalyst in Keywords Solid super acid Oleic acid polyglycol ester the esterification reaction, must be substituted by a more Esterification reaction environmentally friendly catalyst [7]. At the same time, improving the quality of production, increasing the biode-