| 离子液体1-丁基-3-甲基咪唑磷酸二丁酯的制备及其催化酯化反应的性能 |
| |
| 引用本文： | 王吉林,王璐璐.离子液体1-丁基-3-甲基咪唑磷酸二丁酯的制备及其催化酯化反应的性能[J].石油化工,2011,40(6):635-639. |
| |
| 作者姓名： | 王吉林 王璐璐 |
| |
| 作者单位： | 辽宁石油化工大学石油化工学院,辽宁抚顺,113001 |
| |
| 摘 要： | 以磷酸三丁酯和1-甲基咪唑为原料采用一步法合成1-丁基-3-甲基咪唑磷酸二丁酯离子液体。利用FTIR和TG方法对该离子液体的结构和热稳定性进行了表征。表征结果表明,该离子液体具有较好的热稳定性。以乙酸正丁酯的合成反应为探针考察了该离子液体对酯化反应的催化活性,考察了反应条件对酯化反应的影响,得到了适宜的反应条件。在正丁醇与乙酸摩尔比3.0、催化剂用量占反应物总质量的8%、反应温度115℃、反应时间2.0h的条件下,乙酸转化率为90.3%,反应后产物与催化剂自动分相。该离子液体重复使用6次后乙酸转化率变化不大,且该离子液体对于其他酯化反应也具有一定的催化活性。
|
| 关 键 词： | 1-丁基-3-甲基咪唑磷酸二丁酯 离子液体催化剂 乙酸 正丁醇 酯化反应 |
Synthesis of 1-Butyl-3-Methyl Imidazolium Dibutyl Phosphate Ionic Liquid and Its Catalytic Activity in Esterification |
| |
| Wang Jilin,Wang Lulu.Synthesis of 1-Butyl-3-Methyl Imidazolium Dibutyl Phosphate Ionic Liquid and Its Catalytic Activity in Esterification[J].Petrochemical Technology,2011,40(6):635-639. |
| |
| Authors: | Wang Jilin Wang Lulu |
| |
| Affiliation: | Wang Jilin,Wang Lulu(School of Petrochemical Technology,Liaoning Shihua University,Fushun Liaoning 113001,China) |
| |
| Abstract: | 1-Butyl-3-methyl imidazolium dibutyl phosphate(DBP) ionic liquid was synthesized by direct reaction of tributylphosphate with methylimidazole.The obtained product was characterized by means of FTIR and TG.The results showed that the synthesized ionic liquid was good in thermal stability.Esterification of acetic acid with n-butanol was studied over the ionic liquid catalyst.Effects of mole ratio of n-butanol to acetic acid,reaction temperature,reaction time and the ionic liquid dosage on the acetic acid conv... |
| |
| Keywords: | 1-butyl-3-methyl imidazolium dibutyl phosphate ionic liquid catalyst acetic acid n-butanol esterification |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《石油化工》浏览原始摘要信息 |
|
点击此处可从《石油化工》下载全文 |
