明胶上接枝丙烯酸丁酯的研究——Ⅱ、接技共聚反应条件的影响

摘要在本文的这部份中,研究了以硝酸铈铵为引发剂在明胶上接枝丙烯酸丁酯的反应条件。结果表明,反应温度、时间以及明胶、单体、引发剂和硝酸的浓度均对接枝共聚反应有影响。改变这些因素可有效地控制接枝率和接枝效率。讨论了造成这些影响的原因。此外,在反应体系中添加ZnCl_2、醇类或乳化剂,均可提高接枝率,但接枝效率却有所下降。

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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 graft-copolymerization of butyl acrylate onto gelatin was carried out in aqueous medium using ceric ammonium nitrate as redox initiator. The effects of various reaction Parameters including reaction time, temperature, and concentrations of gelatin, monomer, initiator and nitric acid on the percentage of grafting and grafting efficiency were studied systematically. The influences of some inorganic salts, organic additives as welt as emulsifiers were also investigated.

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Received 1988-10-15; published 1988-10-15

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——Ⅱ、接技共聚反应条件的影响[J]. 化学工业与工程, 1988,5(4): 7-13

Li Zhichong, Fu Zhifeng .Graft Copolymerization of Butyl Acrylate onto Gelatin Ⅱ、Effects of Reaction Parameters[J]. Chemcial Industry and Engineering, 1988,5(4): 7-13