A Study on the DC Dielectric Breakdown Properties of Epoxy Composites Containing Methacrylate/Polyurethane

Methacrylate/Polyurethane이 함유된 Epoxy 복합재료의 직류 절연 파괴 특성에 관한 연구

  • 김명호 (경원전문대학 건축설비과) ;
  • 김경환 (경원대학교 전기공학과) ;
  • 이덕진 (광운대학교 전기공학과) ;
  • 가출현 (광운대학교 전기공학과) ;
  • 신성궝 (동해전문대학 정보통신과) ;
  • 김재환 (광운대학교 전기공학과)
  • Published : 1994.07.21

Abstract

In this study, in order to improve the problem that dielectric breakdown strength decrease remarkably at high temperature, simultaneous interpenetrating polymer networks method was Introduced so that epoxy insulating material could have stable temperature characteristics and stable dielectric breakdown characteristics at whole temperature range. So network structure of epoxy/$SiO_2$ composite material was changed by adding MA and MA/PU into epoxy resin. DC voltage is applied into the specimen fabricated by this method, and then the result was compared and investigated.

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