THE PHOTOOXIDATION OF POLYMERS .1. INITIATION OF POLYSTYRENE PHOTOOXIDATION

被引：23
|
作者：
KUZINA, SI [1 ]
MIKHAILOV, AI [1 ]
机构：
[1] RUSSIAN ACAD SCI,INST CHEM PHYS CHERNOGOLOVKA,CHERNOGOLOVKA 142432,RUSSIA
来源：
EUROPEAN POLYMER JOURNAL | 1993年 / 29卷 / 12期
关键词：
D O I：
10.1016/0014-3057(93)90250-J
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 initiation of polystyrene photo-oxidation has been studied and the quantum yield of initiation (phi(R)) for u.v.-irradiation at 315 K in the presence of atmospheric oxygen has been found to be 10(-3). Using ESR spectra, five distinct free radicals have been found; their nature depends on the wave length of the light and the irradiation conditions (temperature and presence of oxygen).
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页码：1589 / 1594
页数：6
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