Photoinitiated radical polymerization of vinyl ether-maleate systems

被引：42

作者：

Decker, C

Decker, D

机构：

[1] Lab. de Photochimie Gén., Ecl. Natl. Sup. de Chimie, Université de Haute Alsace, 68200, Mulhouse

来源：

POLYMER | 1997年 / 38卷 / 09期

关键词：

polymerization; vinyl ether; maleate; uv-curing; ir spectroscopy;

D O I：

10.1016/S0032-3861(96)00758-6

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The photoinitiated radical polymerization of difunctional vinyl ether/maleate mixtures has been studied by real-time i.r. spectroscopy, a technique which records directly conversion vs time profiles for reactions occurring within seconds. Various factors were found to affect the polymerization kinetics, such as the photoinitiator concentration, the light intensity, the presence of oxygen and the composition of the monomer mixture. Whatever the monomer feed ratio, the two monomers were shown to polymerize at exactly the same rate, which reaches its maximum value for stoichiometric composition. The observed dependence of the polymerization rate on the monomer concentration argues in favour of a mechanism involving a donor-acceptor complex, with formation of an alternate copolymer. (C) 1997 Elsevier Science Ltd.

引用

页码：2229 / 2237

页数：9

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