Anomalous Behavior of the Current from PVA Films in the Glass Transition Region
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概要
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Measurements of the current from PVA films prepared by casting solution method were carried out on an isothermal and a non-isothermal processes by changing a previous history of each specimen. The current produced by applying a constant field to an undisturbed specimen exhibits a peak in the glass transition region (75-110℃) on the non-isothermal process. Its peak temperature is about 20℃ higher than that of TSC from PVA electrets. There are probably no effects of variation in the crystallinity and removal of the sorbed water upon the growth of such peak. It is suggested that the counteraction of thermal agitation due to the glass transition plays an important role in this anomaly.
- 1973-10-20
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