Grafting of 4-vinyl pyridine onto poly(vinyl alcohol) initiated by potassium diperiodatocuprate(III)

被引：0
|
作者：
Y. Liu
J. Zhang
R. Zhang
W. Zhou
S. Li
机构：
[1] Hebei University,College of Chemistry and Environmental Science
来源：
Polymer Science Series B | 2006年 / 48卷
关键词：
Polymer Science Series; Graft Copolymerization; Vinyl Alcohol; Methyl Acrylate; Initiator Concentration;
D O I：
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学科分类号：
摘要：
In this article, the graft copolymerization of 4-vinyl pyridine onto poly(vinyl alcohol) via the potassium diperiodatocuprate(III)-poly(vinyl alcohol) redox system as an initiator was investigated in an alkaline medium. The graft copolymer was characterized with Fourier-transform infrared spectra analysis. A mechanism is proposed to explain the generation of radicals and the initiation. The effects of reaction variables, such as the initiator concentration, the ratio of monomer to poly(vinyl alcohol), pH, and reaction temperature and time, are investigated, and the grafting conditions are optimized. Graft copolymers with high grafting efficiency are obtained, thus indicating that potassium diperiodatocuprate(III)-PVA redox system is an efficient initiator for this graft copolymerization.
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页码：165 / 169
页数：4
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