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| SiO_2负载全氟磺酸树脂催化合成苯甲醛乙二醇缩醛 | |
| 引用本文： | 罗士平,周国平,陈勇,裘兆蓉,陆路德.SiO_2负载全氟磺酸树脂催化合成苯甲醛乙二醇缩醛[J].精细化工,2006,23(6):549-552. |
| 作者姓名： | 罗士平 周国平 陈勇 裘兆蓉 陆路德 |
| 作者单位： | 1. 南京理工大学,化工学院,江苏,南京,210094;江苏工业学院,江苏省精细石油化工重点实验室,江苏,常州,213016 2. 江苏工业学院,江苏省精细石油化工重点实验室,江苏,常州,213016 3. 南京理工大学,化工学院,江苏,南京,210094 |
| 摘 要： | 将回收全氟磺酸离子交换膜制成全氟磺酸树脂溶液,用溶胶-凝胶法得到全氟磺酸树脂/二氧化硅复合催化剂,并用FTIR、DSC-TGA、BET对其进行表征。将该催化剂用于合成苯甲醛乙二醇缩醛,考察了物料量比、反应时间、催化剂用量对苯甲醛与乙二醇反应的影响规律,最佳反应条件为n(苯甲醛)∶n(乙二醇)=1∶1.8、催化剂用量为反应物总质量的6%、环己烷为带水剂、反应时间1.0 h时,苯甲醛乙二醇缩醛的收率达82.41%。 |
| 关 键 词： | 全氟磺酸离子交换膜 全氟磺酸树脂/二氧化硅复合催化剂 苯甲醛乙二醇缩醛 |
| 文章编号： | 1003-5214（2006）06-0549-04 |
| 收稿时间： | 2005-08-30 |
| 修稿时间： | 2005-08-302005-10-14 |
Synthesis of Benzaldehyde Ethylene Glycol Acetal Catalyzed by Perfluorosulfonic Acid Resin/Silica Composite |
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| LUO Shi-ping,ZHOU Guo-ping,CHEN Yong,QIU Zhao-rong,LU Lu-de.Synthesis of Benzaldehyde Ethylene Glycol Acetal Catalyzed by Perfluorosulfonic Acid Resin/Silica Composite[J].Fine Chemicals,2006,23(6):549-552. | |
| Authors: | LUO Shi-ping ZHOU Guo-ping CHEN Yong QIU Zhao-rong LU Lu-de |
| Affiliation: | 1. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China ; 2. Jiangsu Provincial Key Laboratory of Fine Chemical Engineering, Jiangsu Polytechnic University, Changzhou 213016, Jiangsu , China |
| Abstract: | The used perfluorosulfonic acid ion-exchange membrane was turned into a solution of perfluorosulfonic acid resin,and then,by sol-gel method,the perfluorosulfonic acid resin/silica composite catalyst was prepared and characterized by FTIR,DSC-TGA and BET measurements.The composite catalyst was applied to the acetalation of benzaldehyde with ethylene glycol.Thus,with n(benzaldehyde)∶n(ethylene glycol)=1∶1.8,w(catalyst)=6% of feed stock,cyclohexane as water entrainer and reacting for 1 h,benzaldehyde ethylene glycol acetal can be obtained in 82.41% yield. |
| Keywords: | perfluorosulfonic acid ion-exchange membrane perfluorosulfonic acid resin/silica composite catalyst benzaldehyde ethylene glycol acetal |
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