Radiation chemical behavior of ethylene-propylene elastomers in salt solutionsV. Electrical properties

被引：0
|
作者：
T. Zaharescu
D. Oprea
C. Podinâ
机构：
[1] R&D Institute for Electrical Engineering,Faculty of Chemistry
[2] Institute for Nuclear Research,undefined
[3] University of Bucharest,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 1998年 / 237卷
关键词：
Polymer; Chloride; Sodium Chloride; Dielectric Constant; Electrical Property;
D O I：
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中图分类号：
学科分类号：
摘要：
The influence of gamma irradiation on electrical properties of ethylene-propylene copolymer (EPR) and ethylene-propylene-diene terpolymer (EPDM) has been studied. Significant changes of dielectric constant, dielectric loss and volume resistivity were obtained. Various degrading environments: air, distilled water, aqueous solutions of sodium chloride were used. Irradiation of polymer specimens was carried out at room temperature up to γ-dose of 0.5 MGy. Time dependence of volume resistivity emphasises the influence of gel content on the movement of electrical charges produced during irradiation.
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页码：69 / 72
页数：3
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