环烯烃共聚物的驻极体性质

IEEE 1997 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 1997-10-19 DOI:10.1109/CEIDP.1997.641113

G. Sessler, G. Yang, W. Hatke

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引用次数: 14

摘要

研究了环烯烃共聚物(COC)薄膜的驻极体性质。在室温条件下、高温和高湿度条件下表面电荷和体电荷的等温衰减测量以及热刺激电流测量表明，表面电荷具有极好的正负极性稳定性。以电子束注入的负电荷则不太稳定。COC材料是非极性的，没有可测量的压电和热释电活性。

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Electret properties of cycloolefin copolymers

The electret properties of cycloolefin copolymer (COC) films, metalized on one side and charged with corona or electron-beam methods, were investigated. Measurements of the isothermal decay of surface and bulk charges under room conditions and at elevated temperatures and humidities as well as thermally-stimulated current measurements indicate excellent stability of surface charges of positive and negative polarity. Negative bulk charges, injected be electron beams, are less stable. The COC materials are nonpolar and show no measurable piezo- and pyroelectric activity.

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IEEE 1997 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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