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INVESTIGATION OF THE DIELECTRIC SPECTROSCOPY OF POLYMER FILM KAPTON

Yang Daben  
This paper investigats the dielectric spectroscopy of the polymer film KAPTON in a wide range of temperature (-200-+250℃), frequency (100Hz-100 kHz) and moisture (0-100%RH), with an automatically balanced bridge system controlled by computer digital temperature. The possible mechanician of the dielectrical relaxation effect in a low temperature and moisture absorption is analysed and discussed with SEM, especially from the measured result of the relaxation character complex permittivity ε′, ε″ of dry and moist film in a low temperature. In the meantime, the theoretical explanation is given from extended Debye relaxation theory, and the relaxation activating energy is calculated also.
【Fund】: 德意志联邦共和国艾伯特基金会(Friedrich Ebert—Stiftung)资助
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【Co-references】
Chinese Journal Full-text Database 10 Hits
1 HUANG Rao,LIU Zhi-jing (The Department of Modern Physics,University of Science and Technology of China,Hefei230026,China);Recent research and development of low dielectric constant mate rials[J];Micronanoelectronic Technology;2003-09
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10 WANG Zhao-li1,ZHANG Ming-yan1,ZHANG Yu-jun1(College of Materials Science and Engineering,Harbin University of Science and Technology,Harbin 150080,China);Preparation of Polyimide Nanofibers by Electrospinning[J];Insulating Materials;2006-06
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 ZHANG Yu-jun1,CAO Hai-lin2,ZHAO Ying-ying1,ZHANG Ming-yan1(1.College of Material Science and Engineering,Harbin University of Science and Technology,Harbin 150040;2.Shenzhen Tech-innovation International Bldg,Shenzhen 518057);THE EFFECT OF DIFFERENT SOLVENTS ON THE MORPHOLOGY OF PI BASED CARBON FIBER[J];Chemical Fiber & Textile Technology;2008-04
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