| 浓甲醛水溶液催化聚合动力学 |
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| 引用本文： | 刘新鹏,刘裕铭,夏少武.浓甲醛水溶液催化聚合动力学[J].高等学校化学学报,1985,6(6):549. |
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| 作者姓名： | 刘新鹏 刘裕铭 夏少武 |
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| 作者单位： | 山东化工学院 |
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| 摘 要： | 在饱和或过饱和的浓甲醛水溶液中,在离子型催化剂作用下的甲醛聚合难以用缩聚机理解释的情况下,我们提出了离子型聚合机理。
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| 收稿时间： | 1984-01-24 |
Kinetics of the Catalyzed Polymerization for Concentrated Aqueous Solution of Formaldehyde |
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| Liu Xinpeng,Liu Yuming,Xia Shaowu.Kinetics of the Catalyzed Polymerization for Concentrated Aqueous Solution of Formaldehyde[J].Chemical Research In Chinese Universities,1985,6(6):549. |
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| Authors: | Liu Xinpeng Liu Yuming Xia Shaowu |
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| Institution: | Shandong Dnstitute of Chcmieel Engineering, Qingdao |
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| Abstract: | The kinetics of polymerization for concontratcd aqueous solutions of formaldehyde catalyzed by tin tctrachloride has been investigated. It is demonstrated that the reaction is a first order reaction both for the monomer and the calalyst. Its total activation energy is -2.1 Kcal/moic.It can be concluded that the polymerization of formaldehyde in the aqueous solutions is a reaction of ionic polymerization, which is catalyzed by Lewis acid produced in the presence of tin telrachloride; a reaction mechanism is suggested, and the rate equation YM = kC]M] in good agreement with the experimental results is derived. |
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