RADIATION-INDUCED OXIDATIVE-DEGRADATION OF ETHYLENE PROPYLENE RUBBER BY IR SPECTROSCOPY

被引:0
|
作者
BACCARO, S [1 ]
BUONTEMPO, U [1 ]
机构
[1] UNIV LAQUILA,DIPARTIMENTO FIS,I-67100 LAQUILA,ITALY
来源
RADIATION PHYSICS AND CHEMISTRY | 1992年 / 40卷 / 03期
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中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Infrared absorption spectroscopy has been used to investigate the effect of gamma-radiation on copolymer ethylene propylene (EPR). The IR spectra showed that exposure of EPR samples to gamma doses from 50 kGy to 0.6 MGy results in noticeable changes in their absorption bands, in particular an appearance of a C=O band at 1720 cm-1 and O-H band at 3450 cm-1. The dependence of the 1720 cm-1 band as a function of dose and dose rate is reported and discussed in terms of a simple model for the oxidation process.
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页码:175 / 180
页数:6
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