| 硫酸氢钠催化合成水杨酸乙酯 |
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| 引用本文： | 于大勇,任铁强,马覃志.硫酸氢钠催化合成水杨酸乙酯[J].工业催化,2006,14(5):42-44. |
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| 作者姓名： | 于大勇 任铁强 马覃志 |
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| 作者单位： | 辽宁石油化工大学石油化工学院,辽宁,抚顺,113001;沈阳石蜡化工有限公司,辽宁,沈阳,110141 |
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| 摘 要： | 以硫酸氢钠为催化剂合成水杨酸乙酯。考察醇酸物质的量比、催化剂用量、反应时间以及反应温度对酯化率的影响。结果表明，硫酸氢钠的催化活性较高，在最佳条件下合成水杨酸乙酯，酯化率可达80.1％～88.2%。实验结果得到的最佳实验条件为：催化用量2 g，n(乙醇) ∶n(水杨酸)=10∶1，反应时间6 h，反应温度75～80 ℃。
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| 关 键 词： | 硫酸氢钠 水杨酸 酯化 水杨酸乙酯 |
| 文章编号： | 1008-1143（2006）05-0042-03 |
| 收稿时间： | 2005-11-28 |
| 修稿时间： | 2006-03-07 |
Preparation of ethyl salicylate catalyzed by sodium hydrogen sulfate |
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| YU Da-yong,REN Tie-qiang,MA Tan-zhi.Preparation of ethyl salicylate catalyzed by sodium hydrogen sulfate[J].Industrial Catalysis,2006,14(5):42-44. |
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| Authors: | YU Da-yong REN Tie-qiang MA Tan-zhi |
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| Affiliation: | 1.School of Petrochemical Engineering, Liaoning University of Petroleum ;& Chemical Technology, Fushun 113001,Liaoning,China; 2. Shenyang Paraffin Chemical Co., Ltd., Shenyang 110141, Liaoning,China |
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| Abstract: | Ethyl salicylate was prepared using sodium hydrogen sulfate as the catalyst.Influences of n(alcohol)∶n(salicylic acid),catalyst dosage,reaction time and reaction temperature were investigated.〖JP〗The results showed that the sodium hydrogen sulfate exhibited higher catalytic activity.Esterification efficiencyof 80.1%～88.2% was obtained under optimum condition as follows: catalyst dosage 2 g,n(alcohol)∶n(salicylic acid)=10∶1, reaction time 6 h, reaction temperature 75-85 ℃. |
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| Keywords: | sodium hydrogen sulfate catalyst salicylic acid esterification ethyl salicylate |
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