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http://dx.doi.org/10.4313/TEEM.2012.13.2.89

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)
Publication Information
Transactions on Electrical and Electronic Materials / v.13, no.2, 2012 , pp. 89-92 More about this Journal
Abstract
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.
Keywords
Impurity; Organic solvent; Current density; Impedance; Epoxy;
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