NDLI: Ftir and dielectric studies of electrical aging in polyimide under AC voltage

Content Provider	IEEE Xplore Digital Library
Author	Yang Yang Di Yin Rui Xiong Jing Shi Fuqiang Tian Xuan Wang Qingquan Lei
Copyright Year	1994
Abstract	The Kapton 100HN polyimide films were aged under 3 kV ac voltage (50 Hz), and the aging evolution were studied by the Fourier transform infrared spectroscopy (FTIR) and the dielectric measurement. The FTIR spectra show that the ether linkage, and some of C-H bonds in aromatic rings and C-N-C bonds transverse stretching vibration in imide are firstly broken by corona discharge. Then, with the increase of aging time, the cleavage of the imide group including C-N-C and C=O vibrations occurs. At the same time, the oxidative degradation produces compounds such as carboxylic acid, ketones, and aldehydes. Accordingly, the variations of dielectric constant ε₁ and the dissipation factor tan δ are dependent on the formation of the polar groups and the breakage of some polar bonds in polyimide.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
File Size	3237678
File Format	PDF
ISSN	10709878
Volume Number	19
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Aging Vibrations Polyimides Chemicals Electric fields Dielectric constant dielectric properties Polyimide electrical aging FTIR spectroscopy
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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