第 37 卷第 6 期 |  | Vol. 37 No. 6 | 2007 年 12 月 | Dec 2007 |
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所屬欄目:功能材料
納米復合雜多酸催化合成馬來(lái)酸二辛酯的研究 |
王璐璐,張福捐
(許昌學(xué)院 化學(xué)化工學(xué)院,河南 許昌 461000) |
摘 要:以納米復合雜多酸為催化劑,通過(guò)馬來(lái)酸和正辛醇反應合成馬來(lái)酸二辛酯,探索了各種因素對酯化率的影響。實(shí)驗結果表明,納米復合雜多酸是合成馬來(lái)酸二辛酯的良好催化劑,在物料比n(馬來(lái)酸) ∶ n(正辛醇)=1 ∶ 3、催化劑用量為反應物總質(zhì)量的3%(馬來(lái)酸為0.05 mol)、苯10 mL、反應1 h的條件下,酯化率可達98.4%。 |
關(guān)鍵詞:納米復合雜多酸;馬來(lái)酸二辛酯;催化合成 |
中圖分類(lèi)號:O621.3 文獻標識碼:A 文章編號:1009-9212(2007)06- 0060-02 |
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Catalytic Synthesis of Dioctyl Maleate by Nanometer Complex Heteropoly |
WANG Lu-lu,ZHANG Fu-juan
(College of Chemistry and Chemical Engineering ,Xuchang University,Xuchang 461000,China) |
Abstract:Dioctyl maleate was synthesized from maleic acid and n-octanol using nano-H3PW12O40/SiO2 as catalyst,and the factors influencing on the yield of dioctyl maleate were investigated. The result showed that nanometer complex heteropoly was a good catalyst for synthesizing dioctyl maleate. The esterification ratio was up to 98.4% when molar ratio of maleic acid and n-octanol was 1 ∶ 3,the amount of catalyst in reactants was 3%(base on 0.05 mol maleic acid),benzene was 10 mL,and reaction time was 60 min. |
Key words:nano-H3PW12O40/SiO2;dioctyl maleate;catalytic synthesis |
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基金項目:河南省科技廳自然科學(xué)基金資助項目(0511020500),河南省教育廳自然科學(xué)研究項目(2007150037)。
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作者簡(jiǎn)介:王璐璐(1985-),女,河南信陽(yáng)人,主要從事應用化學(xué)及催化合成研究。
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收稿日期:2007-10-17
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