文献类型：期刊文献

中文题名：固体超强酸催化反应合成丙二醇甲醚乙酸酯

英文题名：Synthesis of Propylene Glycol Methyl Ether Acetate by Using Solid Super Acidic Catalyst

作者：顾静芳[1];施云海[2]

机构：[1]上海应用技术学院化工系,上海200233;[2]华东理工大学化学工程研究所,上海200237

年份：2005

卷号：31

期号：4

起止页码：417

中文期刊名：华东理工大学学报（自然科学版）

外文期刊名：Journal of East China University of Science and Technology

收录：CSTPCD;;EI(收录号：2005389375470);Scopus;北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

语种：中文

中文关键词：丙二醇甲醚;丙二醇甲醚乙酸酯;酯化反应;固体超强酸;合成

外文关键词：propylene glycol monomethyl ether; propylene glycol methyl ether acetate; esterification;solid super acidic catalyst; synthesis

摘要：开发了以固体超强酸硫酸钛为催化剂精馏反应合成丙二醇甲醚乙酸酯的新工艺,考察了原料醇与酸的摩尔比、催化剂用量、带水剂用量、反应时间等因素对反应转化率的影响,得到了原料醇完全转化的适宜反应条件原料乙酸与醇的摩尔比1.60,带水剂环己烷与醇的摩尔比5.16,催化剂用量为反应物总质量的3.5%,反应时间3.5h。
Propylene glycol methyl ether acetate was prepared by esterification of acetic acid with propylene glycol monomethyl ether. The solid catalyst titanium sulfate was in chemical purity grade. The effects of molar ratio of acetic acid to propylene glycol monornethyl ether, the amout of catalyst and the water carrying agent and reaction time on the conversion, and also the operation conditions of distillation tower were studied. The results show that the optimum conditions are molar ratio of acetic acid to propylene glycol monomethyl ether being 1.60, weight of catalyst being 3.5%, molar ratio of water carrying agent to propylene glycol monomethyl ether being 5.16, reaction time being 3.5 h. On these conditions,the conversion of propylene glycol monomethvl ether reaches 100%.