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Analytical Methods of Thermal Conductivity of Polyimide Films
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Mengyan GAO1, 2, Chang′ou WANG1, 2, Yan JIA1, 2, Lei ZHAI1, Song MO1, Minhui HE1, Lin FAN1, 2
Insulating Materials | 2021, 54(11) : 1 - 10
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Insulating Materials | 2021, 54(11): 1-10
• Polyimide Film Special Issue •
Analytical Methods of Thermal Conductivity of Polyimide Films
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Mengyan GAO1, 2, Chang′ou WANG1, 2, Yan JIA1, 2, Lei ZHAI1, Song MO1, Minhui HE1, Lin FAN1, 2
Affiliations
  • 1Key Laboratory of Science and Technology on High-tech Polymer Materials, Chinese Academy of Sciences, Beijing 100190, China
  • 2School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Published: 2021-11-22 doi: 10.16790/j.cnki.1009-9239.im.2021.11.001
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With the development of electronics and microelectronics technology, thermally conductive polyimide (PI) film is facing new application requirements. The control of thermal conductivity and preparation of PI film have drawn much attention. However, there is a lack of systematic research on the analytical methods of its thermal conductivity. In this paper, the analytical methods of thermal conductivity for PI film at home and abroad were summarized. The basic principles, main features, and application scope of the transient methods, steady-state methods, and temperature wave analysis were introduced in detail. In addition, the comparison results of thermal conductivity along the out-of-plane direction and in-plane direction and thermal diffusivity of PI films tested by different methods were reviewed. The existing problems and future development trends of the thermal conductivity analytical methods for PI films were summarized and prospected.

polyimide  /  film materials  /  thermal conductivity  /  analytical methods
Mengyan GAO, Chang′ou WANG, Yan JIA, Lei ZHAI, Song MO, Minhui HE, Lin FAN. Analytical Methods of Thermal Conductivity of Polyimide Films[J]. Insulating Materials, 2021 , 54 (11) : 1 -10 . DOI: 10.16790/j.cnki.1009-9239.im.2021.11.001
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doi: 10.16790/j.cnki.1009-9239.im.2021.11.001
  • Receive Date：2021-04-30
  • Online Date：2026-03-23
  • Published：2021-11-22
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  • Received：2021-04-30
  • Revised：2021-06-18
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    1Key Laboratory of Science and Technology on High-tech Polymer Materials, Chinese Academy of Sciences, Beijing 100190, China
    2School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.11.001
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