| 固体超强酸SO42-/Fe2O3催化合成尼泊金丁酯 |
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| 引用本文： | 于龙,樊其艳,吴文雷,栾波.固体超强酸SO42-/Fe2O3催化合成尼泊金丁酯[J].食品工业科技,2012,33(10):300-301,325. |
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| 作者姓名： | 于龙 樊其艳 吴文雷 栾波 |
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| 作者单位： | 山东京博控股股份有限公司技术开发中心,山东博兴,256500 |
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| 摘 要： | 以对羟基苯甲酸和正丁醇为原料,固体超强酸SO24-/Fe2O3为催化剂,对尼泊金丁酯的合成进行了研究。考察了焙烧温度、焙烧时间、催化剂用量、醇酸比、反应时间对酯化反应的影响。实验结果表明,实验条件为焙烧温度550℃,焙烧时间4h,催化剂用量2g,醇酸比3:1,反应时间3h,酯化率可达96.7%。
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| 关 键 词： | 固体超强酸 酯化反应 尼泊金丁酯 催化 |
Synthesis of n-butyl p-hydroxybenzoate catalyzed by solid superacid SO42-/Fe2O3 |
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| YU Long,FAN Qi-yan,WU Wen-lei,LUAN Bo.Synthesis of n-butyl p-hydroxybenzoate catalyzed by solid superacid SO42-/Fe2O3[J].Science and Technology of Food Industry,2012,33(10):300-301,325. |
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| Authors: | YU Long FAN Qi-yan WU Wen-lei LUAN Bo |
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| Affiliation: | (Shan Dong Chanbroad Hoiding Co.,Ltd.,Technology development centre,Shandong 256500,China) |
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| Abstract: | The preparation of n-butyl p-hydroxybenzoate was investigated by using SO2-4/Fe2O3 as catalyst,p-hydroxybenzoic acid and n-butanol as reactants.The influence factors and its catalytic performance were investigated and optimized.The better reaction conditions were as follows:baking temperature was at 550℃,baking time was 4h,molar ratio of n-butanol to p-Hydroxybenzoic acid was 3:1,the catalyst was 2g,the reaction time was 3h.The yield of n-butyl p-hydroxybenzoate was 96.7%. |
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| Keywords: | solid superacid esterification n-butyl p-hydroxybenzoate catalysis |
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