| 磁性固体超强酸ZrO2/SO2－4催化合成丁二酸二丁酯 |
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| 引用本文： | 訾俊峰,朱蕾. 磁性固体超强酸ZrO2/SO2－4催化合成丁二酸二丁酯[J]. 工业催化, 2004, 12(2): 25-27 |
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| 作者姓名： | 訾俊峰 朱蕾 |
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| 作者单位： | 许昌学院化学系，河南 许昌 461000 |
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| 基金项目： | 河南省高校青年骨干教师资助计划项目(编号189). |
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| 摘 要： | 以丁二酸和正丁醇为原料,磁性固体超强酸ZrO2/SO2－4为催化剂合成了丁二酸二丁酯。考察了影响酯化率的各种因素,确定最佳反应条件是:丁二酸为0.05 mol,正丁醇与丁二酸的摩尔比为 2.4,催化剂0.5 g,甲苯5 ml作带水剂,反应时间2 h,酯化率91%以上。结果表明,磁性固体超强酸ZrO2/SO2－4是合成丁二酸二丁酯的优良催化剂,同时利用催化剂的磁性可将催化剂迅速分离。
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| 关 键 词： | 磁性固体超强酸 丁二酸二丁酯 催化 合成 |
| 文章编号： | 1008-1143(2004)02-0025-03 |
| 修稿时间： | 2003-10-08 |
Synthesis of dibutyl succinate catalyzed by magnetic solid superacid ZrO2/SO2-4 |
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| ZI Jun-feng,ZHU Lei. Synthesis of dibutyl succinate catalyzed by magnetic solid superacid ZrO2/SO2-4[J]. Industrial Catalysis, 2004, 12(2): 25-27 |
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| Authors: | ZI Jun-feng ZHU Lei |
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| Affiliation: | Xuchang University, Henan Xuchang 461000, China |
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| Abstract: | Dibutyl succinate was synthesized from succinic acid and n-butyl alcohol using ZrO2/SO2－4magnetic solid superacid as the catalyst. The influence of various factors on esterification percentage was inveatigated. The results showed that esterification percentage of over 91% was obtained under the optimum reaction condition, which was as follows: 0.05 mol succinic acid, n-butyl-alcohol-to-succinic-acid ratio = 2.4, quantity of catalyst = 0.5 g, quantity of water-carrying agent = 5 ml, reaction time 2 h. The catalyst could be easily separated from the product by magnetic separation. |
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| Keywords: | dibutyl succinate catalyst magnetic solid superacid |
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