Surface Electrical Properties of Fluorinated Epoxy Resin and Influence of Ambient Humidity

被引：2

作者：

Liu, Ya-Qiang ^{[1
,2
]}

Du, Xue-Liang ^{[1
]}

An, Zen-Lian ^{[2
]}

机构：

[1] Shangqiu Normal Univ, Sch Phys & Elect Informat, Shangqiu, Peoples R China

[2] Tongji Univ, Dept Elect Engn, Shanghai 200092, Peoples R China

来源：

MATERIALS AND MANUFACTURING PROCESSES | 2015年 / 30卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Epoxy resin insulator; Direct fluorination; Surface electrical properties; Relative humidity; CHARGE ACCUMULATION; FUNDAMENTAL RESEARCH; FIELD; GAS; SF6; INSULATORS; SIMULATION;

D O I：

10.1080/10426914.2014.941862

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

As-prepared epoxy resin samples were surface fluorinated using a F-2/N-2 mixture. The fluorination resulted in a remarkable increase in surface conductivity of the epoxy sample by over three orders of magnitude. Corona charges deposited on the fluorinated surface could not be stored even at room temperature. Obvious dependence of surface conductivity and steady state surface current on ambient humidity was found for the fluorinated sample. ATR-IR analysis and SEM imaging of surface and cross-section demonstrated substantial changes in surface layer chemical composition and morphology due to the fluorination, which are responsible for the changes in surface electrical properties.

引用

页码：189 / 193

页数：5

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