Electron Spin Resonance Spin Trapping Technique: Application to the Cleavage Process of Photoinitiators

被引：78

作者：

Criqui, Adrien ^{[1
]}

Lalevee, Jacques ^{[1
]}

Allonas, Xavier ^{[1
]}

Fouassier, Jean-Pierre ^{[1
]}

机构：

[1] Univ Haute Alsace, ENSCMu, CNRS, Dept Photochem,UMR 7525, F-68093 Mulhouse, France

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2008年 / 209卷 / 21期

关键词：

cleavage; initiator; photopolymerization; radical; spin trap;

D O I：

10.1002/macp.200800303

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 cleavage of different photoinitiators (PIs) of polymerization is investigated by the ESR spin trapping using two different spin traps (STs): 5,5'-dimethyl-1-pyrroline N-oxide (DMPO) and phenyl N-tert-butyl nitrone (PBN). The hyperfine splitting constants for the different adducts are measured and provide a new set of data. These results show a difference of selectivity between the two (M) and outline their complementarities.

引用

页码：2223 / 2231

页数：9

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