用其它聚合物涂覆多孔聚四氟乙烯薄膜，用于驻极体应用

2001 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.01CH37225) Pub Date : 2001-10-14 DOI:10.1109/CEIDP.2001.963497

Martin Wegener, W. Wirges, W. Kunstler, R. Gerhard-Multhaupt, B. Elling, M. Pinnow, R. Danz

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引用次数: 4

摘要

多孔聚四氟乙烯(PTFE)薄膜由于其不同寻常的机械性能和优异的电荷存储能力，在驻极体应用中具有吸引力。如果在多孔聚四氟乙烯薄膜上涂覆其他合适的聚合物层，则有利于电极的直接应用，并改善开放多孔薄膜的电荷稳定性。本文报道了涂层多孔聚四氟乙烯薄膜的制备及其扫描电镜、电晕充电和表面电位测量的研究进展。涂层采用聚苯乙烯(PS)、聚对苯二甲酸乙二醇酯(PETP)和特氟隆/sup (R)/ AF等无孔聚合物。经过优化，这种层状薄膜可能适用于各种环境条件下的一系列驻极体换能器应用。

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Coating of porous polytetrafluoroethylene films with other polymers for electret applications

Porous polytetrafluoroethylene (PTFE) films are attractive for electret applications because of their unusual mechanical properties and their excellent charge-storage capabilities. The direct application of electrodes is facilitated and the charge stability of the open-porous films is improved, if the porous PTFE films are coated with layers of other suitable polymers. Here, we report on the preparation of coated porous PTFE films and their investigation by means of scanning electron microscopy, corona charging and surface-potential measurements. For the coating, non-porous polymers like polystyrene (PS), polyethylene terephthalate (PETP) and Teflon/sup (R)/ AF were employed. After optimization, such layered films may be suitable for a range of electret-transducer applications under various environmental conditions.

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2001 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.01CH37225)

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