Thermally Stimulated Current and Electrical Conduction in Polyethersulfone

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  • ポリエーテルスルホンの熱刺激電流と電気伝導
  • ポリエーテルスルホン ノ ネツ シゲキ デンリュウ ト デンキ デンドウ

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Abstract

Polyethersulfone has two TSC (thermally stimulated current) peaks below the glass transition temperature of 225°C. The peak temperature of the lower-temperature TSC, β, increases with an increase in the pollng temperature. Through the measurements of space charge distribution by the pulsed electroacoustic method done in combination with the TSC measurements, β peak is considered to be due to ions. Furthermore, the dc conduction current obeys the ionic hopping conduction model, suggesting that the dominant carriers are ions.

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