明胶上接枝丙烯酸丁酯的研究——Ⅰ.反应机理及动力学

摘要在明胶上接枝丙烯酸丁酯是以硝酸铈铵为引发剂在水介质中进行的。本文讨论了接枝反应机理,提出了反应速度方程式,并以所得试验数据进行了印证。根据试验结果求出了接枝共聚、均聚和总聚合反应的表观活化能。此外,为了进一步弄清反应机理,还对反应过程中铈离子消失速率的规律进行了探讨。

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	李治崇
	傅志峰
	黄明智
	缪进康
	李治崇
	傅志峰
	黄明智
	缪进康

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Abstract： The grafting of butyl acrylate (BA) onto gelatin, using ceric ammonium nitrate (CAN) as redox initiator in aqueous medium, has been studied. In this paper the reaction mechanism of graft-copolymerization is discussed, and the rate equations of the reaction are proposed. The activation energies of graftcopolymeriZation(Eg), homopolymerization (E_h) and total polymerization (Ep)have been calculated. In order to know more about the reaction mechanism, the disappearing rat9 of Ce(Ⅳ)during the period of the reaction have also been observed.

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Received 1988-04-15; published 1988-04-15

引用本文:

李治崇;傅志峰;黄明智;缪进康;.明胶上接枝丙烯酸丁酯的研究——Ⅰ.反应机理及动力学[J]. 化学工业与工程, 1988,5(2): 1-8

Li Zhichong, Fu Zhifeng .Study of Graft-Copolymerization of Butyl Acrylate onto Gelatin ——Ⅰ. The Reaction Mechanism and Rate Equations[J]. Chemcial Industry and Engineering, 1988,5(2): 1-8