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Effect of Organic Solvents on the Electrical Properties of a Neat Epoxy Resin System

  • Park, Jae-Jun (Department of Electrical and Electronic Engineering, Joongbu University)
  • 투고 : 2012.01.17
  • 심사 : 2012.02.20
  • 발행 : 2012.04.25

초록

The effect of organic impurities on the electrical properties of a neat epoxy resin was studied. 0.05, 0.5 and 1.0 phr of iso-propyl alcohol (IPA) and methylene chloride (MC) mixture (50/50 wt%) were used as impurities. The current density, volume resistance and impedance characteristics of the epoxy/IPA/MC systems were measured with a high voltage source meter and broadband dielectric spectroscopy. Glass transition temperature (Tg) was measured by a differential scanning calorimetry (DSC) and it was found that Tg decreased slightly with increasing IPA/MC content. It was also found that Tg values of the epoxy systems with various IPA/MC contents were closely related to the current density, volume resistance and impedance characteristics.

키워드

참고문헌

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