第 34 卷第 3 期 Vol. 34 No. 3 2004 年 6 月 Jun 2004

所属栏目：其它 活性炭负载磷钨酸铝催化合成柠檬酸三丁酯

农兰平(茂名学院化工学院; 广东茂名)

摘　要：在微波辐射下,以AlPW/C为催化剂催化合成了柠檬酸三丁酯,用均匀设计法优化了合成反应条件。优化工艺条件为:酸∶醇=1∶3 5(m/m),微波功率为360W,微波辐射时间为20min,催化剂用量约为反应物总量的2 0%(m)。在此条件下,酯化率达到93 2%,产品纯度大于97%,并且催化剂可多次使用。

关键词：微波辐射; 活性炭负载磷钨酸铝; 合成; 柠檬酸三丁酯; 均匀设计

中图分类号：O621.3　　文献标识码：A　　文章编号：1009-9212(2004)03-0050-03

The Synthesis of Tributyl Citrate by Aluminium Phosphotungstate Supported on Activated Carbon

NONG Lan-ping （Faculty of Chemical Engineering; Maoming College; Maoming; 525000; China）

Abstract：Tributyl citrate was synthesized catalyzed by AlPW/C under microwave irradiation, The reaction conditions were optimized by the uniform design. The optimized conditions are as follow: the molar ratio of acid to alcohol was 1∶3.5,microwave irradiation time is 20 minute, microwave power is 360 w, ratio of catalyst is 2.0%. Under this conditions, ester yield up to 93.2% and the purity of the product is over 97%. The catalyst can be used repeatedly without distinct loss in activity.

Key words：microwave irradiation; aluminium phosphotungstate supported on activated carbon; synthesis; tributyl citrate; uniform design

基金项目：广东省教育厅科研基金资助项目。

收稿日期：2004-04-09

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