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Electrostatic Electrification Properties of Polypropylene Film due to Elongation Transition

신장율 변화에 의한 폴리프로필렌 필름의 정전기 대전 특성

  • 이성일 (충주대학교 안전공학과) ;
  • 김상현 (충주대학교 안전공학과)
  • Published : 2010.01.01

Abstract

This paper examined the effects of specimen elongation on the electrostatic electrification voltages when polypropylene film specimens with 500%, 650% and 700% elongations were rotated at 1550 rpm. The results were as follows. The decease of electrification voltage was not measured according to the time elapse, in case of elongated specimens with 70% environment humidity. As +10 kV was applied to the specimens with 650% elongations, the electrostatic electrification voltages were increased by the effect of environment humidity (1.23~1,25 kV at 50~60% humidity, and 1,46 kV at 70% humidity). The voltages were decreased to 1.2 kV at 700% elongation. As -10 kV was applied to the specimens with 500%, 650% and 700% elongations, the electrostatic electrification voltages were negatively increased with the increase of environment humidity and the elongation of specimens.

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