| 第 33 卷第 4 期 |  | Vol. 33 No. 4 | | 2003 年 8 月 | Aug 2003 |
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所屬欄目：其它
固體超強酸催化合成甘油三醋酸酯的研究 |
| 董壯龍; 郭俊勝(河南新鄉師范高等專(zhuān)科學(xué)�；瘜W(xué)系; 河南新鄉) |
| 摘 要：采用固體超強酸SO42-/Fe2O3-TiO2為催化劑,由冰醋酸和甘油反應合成甘油三醋酸酯。優(yōu)惠合成條件為:醇∶酸=1∶4.0(mol/mol),催化劑用量為甘油質(zhì)量的8%,反應時(shí)間為4h。酯化率可達96%。催化劑具有容易回收并可循環(huán)使用、不污染環(huán)境等優(yōu)點(diǎn)。 |
| 關(guān)鍵詞：固體超強酸; 甘油三醋酸酯; 催化酯化 |
| 中圖分類(lèi)號：TQ225.24 文獻標識碼：A 文章編號：1009-9212(2003)04-0020-02 |
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| Study on Synthesis of Glycerol Triacetate with Solid Superacid Catalyst |
| DONG zhuang long; etc（Department of chemistry; Xinxiang Teacher's College; Xinxiang Henan; 453000; China） |
| Abstract：In the presence of solid superacid catalyst SO 4 2- /Fe 2O 3 TiO 2, The glycerol triacetate was synthesized from glacial acetic acid and glycerol. The optimum conditions are as follow:mole ratio of glycerol to glacial acetic acid is 1∶4.0, reaction time of reflux 4h, mass of catalyst 8% of glycerol. The yield of glycerol triacetate reaches 96%. The catalyst have many advantages, such as easy to be recovered, feasible to be used repeatedly, and less pollution to the environment. |
| Key words：Solid superacid catalyst; Glycerol triacetate; Catalytic esterification |
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收稿日期：2002-12-19
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