| 第 36 卷第 3 期 |  | Vol. 36 No. 3 | | 2006 年 6 月 | Jun 2006 |
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所屬欄目：有機合成原料
陽(yáng)離子交換樹(shù)脂作催化劑合成乙酸乙酯的研究 |
| 李潯; 吳道新; 夏暢斌; 李麗峰(長(cháng)沙理工大學(xué)化學(xué)與環(huán)境工程系; 湖南長(cháng)沙) |
| 摘 要：以DOWEX MARATHONC型強酸性陽(yáng)離子樹(shù)脂為催化劑,在常壓液相下用乙酸和乙醇合成乙酸乙酯�？疾炝朔磻獪囟�、反應時(shí)間、催化劑用量和反應物初始摩爾比等參數對反應體系的乙酸乙酯收率影響。通過(guò)正交實(shí)驗得到優(yōu)化反應條件:反應時(shí)間為55 min,反應溫度為70℃,催化劑用量為110 g/L,醇與酸摩爾比為1.5∶1,乙酸乙酯收率可達62%。 |
| 關(guān)鍵詞：陽(yáng)離子交換樹(shù)脂; 乙酸乙酯; 催化劑 |
| 中圖分類(lèi)號：TQ225.24 文獻標識碼：A 文章編號：1009-9212(2006)03-0055-04 |
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| Synthesis of Ethyl Acetate Using Cation Exchange Resin as Catalyst |
| LI Xun; WU Dao-xin; XIA Chang-bin; LI Li-feng（Department of Chemical and Environmental Engineering; Changsha University of Science and Technology; Changsha 410076; China） |
| Abstract：The esterification reaction of acetic acid and ethanol using cation exchange resin DOWEX MARATHON C as catalyst was investigated.The catalyst activity and the converting rate of process were discussed under experimental conditions of the reaction temperature,catalyst amount,initial reactants molar ratio and reaction time.The optimal conditions obtained by the orthogonal design experiment for the esterification reaction with the yield up to 62% is that reaction time 55 min,reaction temperature 70℃,catalyst a... |
| Key words：cation exchange resin; ethyl acetate; catalyst |
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基金項目：湖南省教育廳高�？蒲幸话沩椖�(05C229)
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收稿日期：2006-05-10
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