| SO4^2-／MxOy型催化剂在缩醛反应中的应用 |
| |
| 引用本文： | 王景芸,王绍艳. SO4^2-／MxOy型催化剂在缩醛反应中的应用[J]. 化学与粘合, 2009, 31(4): 57-60 |
| |
| 作者姓名： | 王景芸 王绍艳 |
| |
| 作者单位： | 王景芸,WANG Jing-yun(辽宁石油化工大学,职业技术学院,辽宁,抚顺,113001);王绍艳,WANG Shao-yan(辽宁科技大学,化工学院,辽宁,鞍山,114044) |
| |
| 摘 要： | 以纳米氧化物为前驱体制备固体超强酸催化剂SO4^2-/Fe2O3、SO4^2-，Al2O3、SO4^2-/TiO2和SO4^2-/ZrO2，其Hammett酸强度常数均小于-12．14。将固体超强酸SO4^2-/Fe2O3、SO4^2-，Al2O3、SO4^2-/TiO2和SO4^2-/ZrO3用于催化苯甲醛与乙酸酐的缩醛反应，考察催化剂制备过程中硫酸浓度和活化温度对缩醛收率的影响，结果表明：采用SO4^2-/Fe2O3为催化剂，硫酸浓度为1．0mol／L、活化温度为500℃时催化效果最好，缩醛收率达99．2％。
|
| 关 键 词： | 固体超强酸 催化 缩醛反应 |
Application of Solid Superacid (SO_4)~(2-)/M_xO_y Catalyst in Acetalation Reaction |
| |
| WANG Jing-yun , WANG Shao-yan. Application of Solid Superacid (SO_4)~(2-)/M_xO_y Catalyst in Acetalation Reaction[J]. Chemistry and Adhesion, 2009, 31(4): 57-60 |
| |
| Authors: | WANG Jing-yun WANG Shao-yan |
| |
| Affiliation: | 1. College of Vocational and Technical;Liaoning University of Petroleum & Chemical Engineering;Fushun 113008;China;2. College of Chemical Engineering;Liaoning University of Science & Technology;Anshan 114044;China |
| |
| Abstract: | The Hammett constants of solid superacid SO42-/Fe2O3,SO42-/Al2O3,SO42-/TiO2 and SO42-/ZrO2 are less than -12.14 which are prepared with using nano oxides as precursor. They were applied in catalyzing acetalation reaction of benzaldehyde with acetic anhydride. The effects of activation temperature and H2SO4 concentration on the yield of aldehyde acetal had been investigated. The result of experiments showed that when used SO42-/Fe2O3 as catalyst, H2SO4concentration was 1.0 mol/L, activation temperature was 5... |
| |
| Keywords: | Solid superacid catalysis acetalation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
