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Research Progress in Modulating Dielectric Properties of Polyimide Films
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Jian LU1, 2, Guoxiang ZOU2, Yongbing ZHUANG1, 3
Insulating Materials | 2021, 54(11) : 34 - 40
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Insulating Materials | 2021, 54(11): 34-40
• Polyimide Film Special Issue •
Research Progress in Modulating Dielectric Properties of Polyimide Films
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Jian LU1, 2, Guoxiang ZOU2, Yongbing ZHUANG1, 3
Affiliations
  • 1State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Institue of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
  • 2School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China
  • 3School of Chemical Engineering, Chinese Academy of Sciences University, Beijing 100049, China).
Published: 2021-11-22 doi: 10.16790/j.cnki.1009-9239.im.2021.11.004
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As a special engineering plastic, polyimide is widely used in electrical insulation, electronics, and other fields because of its excellent dielectric properties, mechanical properties, and thermal stability. The polyimide films with excellent thermal stability and dielectric properties can be obtained by adjusting the molecular chain structure of polyimide through molecular structure design and monomer optimization. In this paper, the molecular structure design strategies for adjusting the dielectric properties of polyimide and the influencing mechanism of polyimide structure on its dielectric properties were reviewed, and the research direction of dielectric properties adjusting was prospected.

polyimides  /  films  /  dielectric properties  /  dielectric constant  /  dielectric dissipation
Jian LU, Guoxiang ZOU, Yongbing ZHUANG. Research Progress in Modulating Dielectric Properties of Polyimide Films[J]. Insulating Materials, 2021 , 54 (11) : 34 -40 . DOI: 10.16790/j.cnki.1009-9239.im.2021.11.004
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2021.11.004
  • Receive Date：2021-05-21
  • Online Date：2026-03-23
  • Published：2021-11-22
Article Data
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History
  • Received：2021-05-21
  • Revised：2021-06-24
Funding
Affiliations
    1State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Institue of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
    2School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China
    3School of Chemical Engineering, Chinese Academy of Sciences University, Beijing 100049, China).
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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