| 复合型固体酸SO_4~(2-)/ZrO_2-MoO_3催化合成马来酸二丁酯的研究 |
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| 引用本文： | 汪洋,刘万玲.复合型固体酸SO_4~(2-)/ZrO_2-MoO_3催化合成马来酸二丁酯的研究[J].河南科学,2007,25(2). |
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| 作者姓名： | 汪洋 刘万玲 |
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| 作者单位： | 商丘职业技术学院,河南,商丘,476000 |
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| 摘 要： | 合成了新型的复合型无机固体酸SO42-/ZrO2-MoO3,并把它作为催化剂用于马来酸二丁酯的合成,考察了影响反应的因素.结果表明:固体酸SO42-/ZrO2-MoO3的制备以0.05 mol/L的H2SO4淋洗ZrO2-MoO3固体酸基体,焙烧温度为500℃,催化剂用量以每摩尔酸酐0.5 g为宜,酸酐/醇=1:4,反应时间为4 h,酯化率可达99%以上.
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| 关 键 词： | 固体酸 马来酸二丁酯 催化合成 |
Study of Synthesis of Dibutyl Maleate by Compound Type Solid Acid SO42-/ZrO2-MoO3 |
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| WANG Yang,LIU Wan-ling.Study of Synthesis of Dibutyl Maleate by Compound Type Solid Acid SO42-/ZrO2-MoO3[J].Henan Science,2007,25(2). |
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| Authors: | WANG Yang LIU Wan-ling |
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| Abstract: | New and compound type abio-solid acid catalysts SO42-/ZrO2-MoO3 are prepared and used in synthesizing dibutyl maleate as catalyst.The factors affecting reaction are experimented.The results are as follows:the preparation of solid acid catalysts SO42-/ZrO2-MoO3 should be rained by 0.05 ml/L H2SO4,the roasting temperature is 500 ℃,the appropriate dosage of catalyst is 0.5 g per mol acid,the ratio of acid anhydride and alcohl is 1:4,the time of reaction is 4 h,the ratio of esterification may be above 99 %. |
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| Keywords: | solid acid dibutyl maleate catalyst synthesize |
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