第 34 卷第 4 期 | | Vol. 34 No. 4 | 2004 年 8 月 | Aug 2004 |
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所属栏目:其它
三乙胺催化合成2-羟丙基甲醚 |
苏秋芳(茂名学院; 广东茂名) |
摘 要:以三乙胺为催化剂,环氧丙烷和甲醇为原料合成2 羟丙基甲醚。较适宜的工艺条件为反应初始压力0 1MPa;反应温度:80±5℃,CH3OH∶C3H6O=4∶1(mol);反应时间3h;三乙胺用量为环氧丙烷质量的4%,环氧丙烷的转化率可达95%,2 羟丙基甲醚的选择性可达91%以上。催化剂可回收循环使用。 |
关键词:2-羟丙基甲醚; 环氧丙烷; 甲醇; 三乙胺 |
中图分类号:TQ223.16 文献标识码:A 文章编号:1009-9212(2004)04-0049-03 |
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Synthesis of 1-Methoxy-2-propanol with Triethylamine Catalyst |
SU Qiu-fang (Maoming College; Maoming 525000; China) |
Abstract:1-Methoxy-2-propanol was synthesized from methanol and 1,2-epoxypropane with triethylamine catalyst.Some influential factors such as reaction temperature,reaction time,propertion of reactants,catalyst amount and beginning pressure of system were discussed.The results showed that triethylamine offered good catalytic activity and selectivity,and the proper technological conditions were established as follows:reaction temperature 80±5?℃,molar ratio of methanol to 1,2-epoxypropane 4∶1,reaction time 3?h,mass rat... |
Key words:1-methoxy-2-propanol; 1; 2-epoxypropane; methanol; triethylamine |
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收稿日期:2004-02-22
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