| 微量硫酸催化环氧大豆油的合成 |
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| 引用本文： | 孙晓英,赵雪冰,杜伟,刘德华.微量硫酸催化环氧大豆油的合成[J].过程工程学报,2010,10(4):714-719. |
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| 作者姓名： | 孙晓英 赵雪冰 杜伟 刘德华 |
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| 作者单位： | 清华大学化工系应用化学研究所 清华大学化学工程系 清华大学化工系应用化学所 清华大学化学工程系 |
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| 摘 要： | 在无溶剂条件下，以甲酸为载氧体合成了环氧大豆油. 通过正交实验确定了甲酸自催化合成环氧大豆油的优化工艺条件. 为进一步提高环氧值和缩短反应时间，添加微量硫酸作为催化剂，并优化了其用量. 结果表明，当大豆油、88%甲酸、30%双氧水和硫酸的质量比为1:0.13:0.7:0.004时，在65℃下反应3 h，产品的环氧值为6.2%，残留碘值<6.0%. 采用红外光谱和核磁共振对产品进行了表征.
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| 关 键 词： | 环氧大豆油 环氧化 增塑剂 表征 |
| 收稿时间： | 2010-5-7 |
| 修稿时间： | 2010-6-21 |
Preparation of Epoxidized Soybean Oil by Catalysis of Small Amount of Sulfuric Acid |
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| SUN Xiao-ying,ZHAO Xue-bing,DU Wei,LIU De-hua.Preparation of Epoxidized Soybean Oil by Catalysis of Small Amount of Sulfuric Acid[J].Chinese Journal of Process Engineering,2010,10(4):714-719. |
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| Authors: | SUN Xiao-ying ZHAO Xue-bing DU Wei LIU De-hua |
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| Affiliation: | Institute of Applied Chemistry, Department of Chemical Engineering, Tsinghua University Institute of Applied Chemistry, Department of Chemical Engineering, Tsinghua University Department of Chemical Engineering, Tsinghua University Department of Chemical Engineering，Tsinghua University |
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| Abstract: | Epoxidized soybean oil (ESO) was prepared with formic acid as oxygen carrier in a solvent-free system. The optimal production conditions of formic acid ESO were determined through orthogonal experiments. To further enhance the oxirane content and shorten reaction time, a small amount of sulfuric acid was added as catalyst. The results showed that when the mass ratio of soybean oil, formic acid, 30% hydrogen peroxide and sulfuric acid was 1:0.13:0.7:0.004, the oxirane content of product was 6.2% and the residual iodine value (IV) less than 6.0% after 3 h reaction at 65℃. The FT-IR, 1H-NMR and 13C-NMR spectra of the product were recorded in order to further characterize its chemical structure. |
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| Keywords: | epoxidized soybean oil epoxidation plasticizer characterization |
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