한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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화학개질된 폴리에틸렌의 전기적 특성

Electrical Properties of Chemically Modified Polyethylene

  • 이창용 (고려대학교 재료·금속공학부) ;
  • 오우정 (고려대학교 재료·금속공학부) ;
  • 서광석 (고려대학교 재료·금속공학부)
  • 발행 : 1997.04.01
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초록

The electrical properties such as space charge accumulation, dielectric breakdown and water treeing of acrylic acid-grafted polyethylene (PE-g-AA) and n-butyl acrylate-grafted polyethylene (PE-g-nBA) were investigated. In PE-g-AA, heterocharge founded in LDPE decreased with the increase of AA graft ratio and changed to the homocharge formation above 0.lwt% due to the introduction of carbonyls. Conduction currents decreased with the increase of AA graft ratio. AC breakdown strength increased and water treeing length decreased with the increase of graft ratio in PE-g-AA and PE-g-nBA.

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