改性聚酰亚胺薄膜的驻极体态特性

2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2016-10-01 DOI:10.1109/RTUCON.2016.7763095

M. Borisova, A. Kamalov

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引用次数: 4

摘要

本工作的目的在于追求具有超高湿度和高热稳定性的驻极体结构。建立了聚酰亚胺及改性聚酰亚胺薄膜中的电荷弛豫机制。结果表明，聚酰亚胺薄膜表面的聚四氟乙烯层能显著提高薄膜在高温高湿条件下驻极体态的稳定性。在建立的物理模型的基础上，对热激退极化电流进行了分析。

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Specific of electret state of modified polyimide films

The aim of this work consists in pursuit of electret structure with excess humidity and high thermostability. The charge relaxation mechanism in polyimide and modified polyimide films is established. It is shown that the layers of polytetrafluoroethylene on surface of polyimide films lead to essential increasing of electret state stability at elevated temperature and high humidity. The currents of thermally stimulated depolarization were analyzed on the basis of developed physical model.

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来源期刊

2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)

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