| 绿色环保增塑剂柠檬酸三正丁酯的催化合成 |
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| 引用本文： | 吴广文,王广建,丁浩,宋美芹,刘光彦,田琦峰.绿色环保增塑剂柠檬酸三正丁酯的催化合成[J].应用化工,2007,36(12):1201-1203,1206. |
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| 作者姓名： | 吴广文 王广建 丁浩 宋美芹 刘光彦 田琦峰 |
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| 作者单位： | 1. 武汉工程大学,化工与制药学院,湖北,武汉,430073
2. 青岛科技大学,化工学院,山东,青岛,266042 |
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| 摘 要： | 在固体催化剂氨基磺酸的催化作用下研究了柠檬酸三正丁酯(TBC)的酯化反应,讨论了原料配比、催化剂用量、反应时间和反应温度等因素对酯化反应的影响,并用GC/MS对酯化后反应产物进行了检测分析。结果表明,氨基磺酸对酯化反应具有良好的催化活性,用它作催化剂合成TBC的最佳条件为:酸与醇的摩尔比为1∶3.8,催化剂用量2.75%,反应时间1.5 h,反应温度116~160℃,酯化率高达98%。
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| 关 键 词： | 柠檬酸三正丁酯 氨基磺酸 催化剂 合成 |
| 文章编号： | 1671-3206（2007）12-1201-03 |
| 收稿时间： | 2007-10-13 |
| 修稿时间： | 2007年10月13 |
Study on catalytic synthesis of nonpoisonous plasticizer tri-n-butyl citrate |
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| WU Guang-wen,WANG Guang-jian,DING Hao,SONG Mei-qin,LIU Guang-yan,TIAN Qi-feng.Study on catalytic synthesis of nonpoisonous plasticizer tri-n-butyl citrate[J].Applied chemical industry,2007,36(12):1201-1203,1206. |
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| Authors: | WU Guang-wen WANG Guang-jian DING Hao SONG Mei-qin LIU Guang-yan TIAN Qi-feng |
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| Abstract: | The esterification reaction of tri-n-butyl citrate(TBC) in the presence of solid catalyst aminosulfonic was studied.The effect of reactant molar ratio,catalyst weight,reaction time and reaction temperature on esterification were studied in details.The product was analyzed by GC/MS,it is shown that the catalyst has excellent catalytic activity under optimize technology molar ratio of butanol to citric acid is 3.8 ∶1,amount of catalyst is 2.75% upon whole mass both citric acid and butanol,reaction time is 1.5 h and the temperature is controlled 116～160 ℃,esterfication of citric acid above 98%. |
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| Keywords: | tri-n-butyl citrate aminosulfonic acid catalyst synthesis |
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