| TiSiW12O40／TiO2催化合成对羟基苯甲酸丁酯 |
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| 引用本文： | 杨水金,梁永光.TiSiW12O40／TiO2催化合成对羟基苯甲酸丁酯[J].青岛大学学报(自然科学版),2000,13(1):63-66. |
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| 作者姓名： | 杨水金 梁永光 |
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| 作者单位： | 湖北师范学院化学系!黄石435002 |
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| 基金项目： | 湖北省教委重点科研基金!（98A041） |
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| 摘 要： | 首次报道了以固载杂多酸盐ＴｉＳｉＷ１２Ｏ４０／ＴｉＯ２为多相催化剂，通过对羟基苯甲本和正丁醇反应合成了对羟基苯甲酸丁酯，并探讨了诸因素对酯化率的影响。实验结果表明，ＴｉＳｉＷ１２Ｏ４０／ＴｉＯ２具有良好的催化活性，醇酸摩尔比为４：１，催化剂用量为反应物料总量的２．０％，反应时间２．０ｈ，反应８４－９２℃，酯化率可达９１．１％，并且催化剂可重复使用多次。
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| 关 键 词： | 催化剂 合成 对羟基 苯甲酸丁酯 固载杂多酸盐 |
STUDY ON THE CATALYTIC SYNTHESIS OF BUTYL P-HYDROXYBENZOATE WITH TiSiW_(12)O_(40)/TiO_2 |
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| YANG Shui- jin,LIANG Yong-guang,CAO Xiao-dong,YU Xin-wu.STUDY ON THE CATALYTIC SYNTHESIS OF BUTYL P-HYDROXYBENZOATE WITH TiSiW_(12)O_(40)/TiO_2[J].Journal of Qingdao University(Natural Science Edition),2000,13(1):63-66. |
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| Authors: | YANG Shui- jin LIANG Yong-guang CAO Xiao-dong YU Xin-wu |
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| Abstract: | In this paper, the synthesis of butyl p-hydrobenzoate with TiSiW_(12)O_(40)/TiO_2 is studied with butanol and p-hydroxybenzoic acid as reactants, and the reaction conditions are examined. Experiment results show the optimum reaction conditions: the molar ratio of alcohol to acid is 4:1, the mass ratio of the catalyst used to the reactants 2.0%, and reaction time 2.0h. Under this conditions, the yield of butyl p-hyrdrobenzoate is 91. 1%. We find that the catalytic achvities of our catalyst are almost unchanged after it has been used five times. |
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| Keywords: | TiSiW_(12)O_(40)/TiO_2 catalyst synthesis butyl p-hydrobenzoate |
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