| 强酸性树脂催化制备柠檬酸三丁酯 |
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| 引用本文： | 杨浩,王建红,刘勇,陈征,乔聪震.强酸性树脂催化制备柠檬酸三丁酯[J].广东化工,2012,39(2):6-7. |
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| 作者姓名： | 杨浩 王建红 刘勇 陈征 乔聪震 |
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| 作者单位： | 河南大学化学化工学院催化材料与工程实验室,河南开封,475004 |
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| 基金项目： | 河南大学科研项目2009YBGG003 |
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| 摘 要： | 以强酸性树脂为催化剂合成柠檬酸三丁酯。主要考察了催化剂用量、酸醇摩尔比、反应时间及催化剂重复使用对酯化反应的影响。结果表明酯化反应的最佳条件为:醇酸摩尔比为5.5∶1,催化剂用量为柠檬酸质量的11%,反应温度为130℃,反应时间为小时4 h,此条件下酯转化率达到91%以上。并且经过简单处理后可以重复使用。
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| 关 键 词： | 强酸性树脂 柠檬酸三丁酯 催化 |
Preparation of Tributyl Citrate Catalyzed by Strong Acidic Cation Exchange Resin |
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| Yang Hao,Wang Jianhong,Liu Yong,Chen Zheng,Qiao Congzhen.Preparation of Tributyl Citrate Catalyzed by Strong Acidic Cation Exchange Resin[J].Guangdong Chemical Industry,2012,39(2):6-7. |
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| Authors: | Yang Hao Wang Jianhong Liu Yong Chen Zheng Qiao Congzhen |
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| Affiliation: | (College of Chemistry and Chemical Engineering,Catalysis Material and Engineering Laboratory, Henan University,Kaifeng 475004,China) |
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| Abstract: | Tributyl citrate was preparedwith citric acid and n-butanol catalyzed by high acid resin.The main factors including quality of the catalyst,molar ratio of reactants,reaction time were investigated.The optimum reaction condition was determined as follows： molar ratio of reactants=5.5∶1,quality of the catalyst 11 % of the mass of citric acid,reaction temperature 130 ℃,reaction temperature 4 h,with conversion over 91 %.The catalyst showed high catalytic activity when reused. |
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| Keywords: | high acid resin tributyl citrate catalysis |
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