| Al_2O_3负载硅钨酸催化合成三羟甲基丙烷油酸酯的研究 |
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| 引用本文： | 谭文波,郑燕升. Al_2O_3负载硅钨酸催化合成三羟甲基丙烷油酸酯的研究[J]. 广东化工, 2011, 38(3): 58-59 |
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| 作者姓名： | 谭文波 郑燕升 |
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| 作者单位： | 1. 广西柳州职业技术学院,汽车与环境工程系,广西柳州545006
2. 广西工学院,生物与化学工程系,广西柳州,545006 |
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| 摘 要： | 以Al2O3负载硅钨酸为催化剂,三羟甲基丙烷（TMP）与油酸（OA）为原料,采用直接酯化法合成了三羟甲基丙烷油酸酯（TMPOE）,研究了其合成工艺条件,在OA与TMP的摩尔比为3.1∶1,催化剂用量为0.2%（质量分数）,反应温度160℃,反应时间为3 h的条件下,酯化率为90.0%,纯度〉96%。
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| 关 键 词： | 三羟甲基丙烷油酸酯 硅钨酸 催化酯化 |
Study on Catalytic Synthesis of Trimethylolpropane Trioleate by Al2O3 Supported Silicotungstic Acid |
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| Tan Wenbo,Zheng Yansheng. Study on Catalytic Synthesis of Trimethylolpropane Trioleate by Al2O3 Supported Silicotungstic Acid[J]. Guangdong Chemical Industry, 2011, 38(3): 58-59 |
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| Authors: | Tan Wenbo Zheng Yansheng |
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| Affiliation: | 1.Department of Automotive and Environment Engineering,Liuzhou Vocational & Technical College,Liuzhou 545006;2.Department of Biological and Chemical Engineering,Guangxi University of Technology,Liuzhou 545006,China) |
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| Abstract: | The Al2O3 supported silicotungstic acid(SiW) catalyst was synthesized Trimethylolpropane triacrylate with acrylic acid and trimethylolpropane.The optimum conditions were determined as follows: n(oleic acid)/n(trimethylolpropane) Was 3.1∶1,catalyst 0.2% of the total mass of reactants,temperature 160 ℃ and reaction time 3 h,The conversion of trimethylolpropane was 90.0%,the purity of the product was over 96%. |
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| Keywords: | Trimethylolpropane triacrylate Silicotugstic acid catalysis esterification |
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