微波协同离子液体催化肉桂酸甲酯与正戊醇酯交换的研究  

Study on Microwave Assisted Ionic Liquid Catalysis of Transesterification of Methyl and n-amyl of Cinnamate

作　　者：黎彧[1] 王一波[2] 吴志谊 冯海涛[1] 王晓芝[1] 张静茵[1] 何翠莹[1] 招启文 

机构地区：[1]广东轻工职业技术学院轻化系,广州510300 [2]广东药学院中药学院,广州510006 [3]广州市质量监督检测研究院,广州510110

出　　处：《中国调味品》2013年第3期28-30,共3页China Condiment

基　　金：广东省高等学校高层次人才项目(2011QY01);广东轻院自然科学基金资助项目(KJ201007);广东轻院拔尖人才培养工程资助项目(2012)

摘　　要：研究了微波协同离子液体催化肉桂酸甲酯与正戊醇酯交换反应的新方法,通过平行试验研究了催化剂,微波功率,离子液体,反应温度,反应时间等对反应的影响得到了优选工艺:催化剂为1-丁基-3-甲基咪唑硫酸氢盐,肉桂酸甲酯原料的用量为0.01mol,酯与正戊醇摩尔比为1∶10,离子液体用量为0.2595g,微波功率200W,反应温度为130℃,反应时间为45min,原料酯的转化率为46.39%,离子液体可再生循环使用,催化性能稳定。The microwave assisted ionic liquid synthesis is used to catalyze transesterification of methyl and n-amyl of cinnamate. The catalyst, microwave power, ionic liquid, reaction temperature, reaction time of preparation processes are studied by parallel test and the optimum process is decided. Catalyst is 1-butyl-3-methylimidazolium hydrogen sulfate ionic liquid. Methyl cinnamate is 0.01 tool, the molar ratio of methyl to n-pentanol is 1 ： 10, the ionic liquid mass is 0. 2595 g, the microwave power is 200 W, the reaction temperature is 130 ℃ and the reaction time is 45 min. The conversion rate of the new catalysis method is 46.39 % and the catalytic result of regenerated ionic liquid is stable.

关 键 词：微波催化 离子液体 酯交换 1-丁基-3-甲基咪唑硫酸氢盐 

分 类 号：TS264.2[轻工技术与工程—发酵工程]