纳米复合杂多酸催化合成烟用香料丁酸丁酯的研究  

Study on Catalytic Synthesis of Butyl Butyrate by Nanometer Complex Heteropoly acid

作　　者：徐建晔 李青雨[2] 张福捐[3] 

机构地区：[1]许昌市技工学校,河南许昌461000 [2]许昌学院城环学院,河南许昌461000 [3]许昌学院化学化工学院,河南许昌461000

出　　处：《河北化工》2007年第7期13-14,共2页Hebei Chemical Industry

基　　金：河南省科技厅自然科学基金(0511020500);河南省教育厅自然科学基金(200510480008)

摘　　要：以纳米型H3PW12O40/SiO2为催化剂,丁酸和丁醇为原料,合成烟用香料丁酸丁酯。实验结果表明,纳米复合磷钨杂多酸是合成丁酸丁酯的良好催化剂,适宜的工艺条件:酸醇物质的量比为1∶1.4,催化剂用量为5%,反应时间为1h,酯化率可达99.2%。Synthesis of butyl butyrate from butyric acid and butyl alcohol with nanometer H3PW12O40 / SiO2 as catalyst is studied, the results showed nanometer H3PW12O40/ SiO2 was a good catalyst for synthesizing butyl butyrate ,the oplimal conditions were found as follows： molar ratio of butyric acid to butyl alcohol was 1 ： 1.4,the weight of catalyst was 5%, the reaction time was I h, yield was about 99. 2%.

关 键 词：纳米复合杂多酸 溶胶-凝胶法 丁酸丁酯 催化合成 

分 类 号：TQ426.91[化学工程]