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Electrostatic Electrification Relaxation Properties of Polyester Rayon Non-woven Fabric due to Weight Variation

중량변화에 의한 폴리에스터 레이온 부직포의 정전기 대전 완화특성

  • Lee, Sung-Ill (Department of Safety Engineering, Chungju National University) ;
  • Park, Yong-Soon (Department of Safety Engineering, Chungju National University)
  • 이성일 (충주대학교 안전공학과) ;
  • 박용순 (충주대학교 안전공학과)
  • Received : 2011.10.26
  • Accepted : 2011.11.14
  • Published : 2011.12.01

Abstract

Non-wovens polyester rayon samples were manufactured, and the electrification properties of electrostatics were measured for three different samples (15 g/$m^2$, 25 g/$m^2$, and 40 g/$m^2$) with the environmental settings of temperature (20~40$^{\circ}C$) and humidity (40~90%). The conclusions are as follows. Heavy sample generated more static electricity when the temperature was constant. The static electricity decreased slowly when the humidity is less than 70%, while it sharply decreased over 70% humidity condition. For non-woven polyester rayon, static charge decreased as temperature and humidity increased. As the weight increased, less time were taken for the electrification voltage to drop to the half.

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