POLY(BUTYLENETEREPHTALATE) PHOTOLYSIS AND PHOTOOXIDATION - IDENTIFICATION OF THE IR-ABSORBING PRODUCTS

被引：6
|
作者：
RIVATON, A
机构：
[1] Laboratoire de Photochimie, Ura Cnrs 433, Université Blaise Pascal, Ensemble Universitaire Des Cézeaux, Aubière
来源：
ANGEWANDTE MAKROMOLEKULARE CHEMIE | 1994年 / 216卷
关键词：
D O I：
10.1002/apmc.1994.052160111
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Irradiations (lambda greater-than-or-equal-to 300 run) of poly(butyleneterephtalate) films were carried out in both vacuum and air. Photoproducts were investigated by FTIR spectroscopy, chemical derivatization reactions and physical treatments. The repartition of photoproducts in the polymer was shown to be heterogeneous. A scheme accounting for the main routes of PBT photolysis was found on the basis of photoproducts identification. Most of oxidation products were analogous to vacuum photolysis species; the mechanism of photooxidation proposed implied both pure photolytical processes and a photo-induced oxidation route.
引用
收藏
页码：155 / 167
页数：13
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