PHOTO-REDOX INDUCED CATIONIC POLYMERIZATION OF DIVINYL ETHERS

被引：30
|
作者：
SUNDELL, PE [1 ]
JONSSON, S [1 ]
HULT, A [1 ]
机构：
[1] ROYAL INST TECHNOL,DEPT POLYMER TECHNOL,S-10044 STOCKHOLM 70,SWEDEN
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1991年 / 29卷 / 11期
关键词：
D O I：
10.1002/pola.1991.080291101
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 cationic polymerization of diethyleneglycoldivinyl ether was initiated by cationic species originating from the redox reaction between photochemically generated free radicals or excited state photosensitizers and various onium salts. For the oxidation of free radicals, the efficiency of the initiation process depended primarily on the redox potential of the redox couple and hence the reactivity could be altered by choosing an appropriate combination of free radical photoinitiator and onium salt. The electron transfer from excited state photosensitizers to the phenacyltetramethylenesulfonium salt showed no correlation between the free energy of the process and the initiation efficiency.
引用
收藏
页码：1525 / 1533
页数：9
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