Dielectric and Electrical Properties of Radiation-cured Epoxy

被引：6
|
作者：
Vissouvanadin, B. [1 ]
Teyssedre, G. [1 ,2 ]
Le Roy, S. [1 ,2 ]
Laurent, C. [1 ,2 ]
Ranoux, G. [3 ]
Coqueret, X. [3 ]
机构：
[1] Univ Toulouse, LAPLACE Lab Plasma & Convers Energie, INPT, UPS, F-31062 Toulouse 9, France
[2] CNRS, LAPLACE, F-31062 Toulouse, France
[3] Univ Reims, Inst Chim Mol Reims, CNRS, UMR 7312, F-51687 Reims 2, France
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2015年 / 22卷 / 02期
关键词：
Radiation curing; epoxy; dielectric and electrical properties;
D O I：
10.1109/TDEI.2015.7076816
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Dielectric and electrical properties of radiation-cured epoxy are investigated in various conditions of electric field and temperature for different initiator content. The impact of the onium salt initiator is particularly considered due to the formation of ionic species that can impact the electrical properties. Dielectric spectroscopy performed in the temperature range -80 degrees C to +200 degrees C and the frequency range 10(-1) to 10(6) Hz shows that beta-relaxation of the cured resin and relaxation due to ionic species are dominating the dielectric behavior at low and high temperature respectively. Water absorbed in the resin increases the dielectric losses and conduction current. Ionic and electronic charge carriers are seen to dominate the electrical behavior at low and high field respectively. No clear trend has been observed as regard the effect of initiator concentration on the dielectric and electrical properties of radiation-cured epoxy.
引用
收藏
页码：1142 / 1150
页数：9
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