Synthesis of Glycerol Triacetate Using a Bronsted-Lewis Acidic Ionic Liquid as the Catalyst

被引：7

作者：

Liu, Shiwei ^{[1
]}

Wang, Aiting ^{[1
]}

Liu, Zhiguo ^{[1
]}

Li, Lu ^{[1
]}

Yu, Shitao ^{[1
]}

Xie, Congxia ^{[1
]}

Liu, Fusheng ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China

来源：

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY | 2015年 / 92卷 / 09期

关键词：

Ionic liquid; Esterification; Glycerol triacetate; Catalysis; FATTY-ACIDS; SOLVENT; EFFICIENT; ALCOHOLS; ESTERIFICATION;

D O I：

10.1007/s11746-015-2701-9

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Bronsted-Lewis acidic ionic liquids (IL) were used in the esterification of glycerol and acetic acid to produce glycerol triacetate. The results show that the IL (3-sulfonic acid)-propyltriethylammonium chloroironinate [HO3S-(CH2)(3)-NEt3]Cl-[FeCl3](x) (molar fraction of FeCl3, x = 0.67) was an efficient catalyst for the esterification reaction. The yield of glycerol triacetate and its content were greater than 98 % when reacted under reflux for 4 h. It was observed that a synergistic effect of Bronsted and Lewis acid sites enhanced the catalytic performance of IL. The reusability of IL was good. After six reaction cycles, the glycerol triacetate yield and concentration were still greater than 98 %. Likewise, the Bronsted-Lewis acidic IL was an efficient catalyst for esterification reactions of high boiling points alcohols with acetic acid.

引用

页码：1253 / 1258

页数：6

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