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Preparation and dielectric properties of ZIF-67/PVDF composite film
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Rui CHU1, Ling WENG1, 2, Lizhu GUAN1, 2, Xiaoming WANG1
Insulating Materials | 2023, 56(2) : 32 - 38
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Insulating Materials | 2023, 56(2): 32-38
• Polyimide Film Special Issue •
Preparation and dielectric properties of ZIF-67/PVDF composite film
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Rui CHU1, Ling WENG1, 2, Lizhu GUAN1, 2, Xiaoming WANG1
Affiliations
  • 1School of Materials Science and Chemical Engineering, Ministry of Education, Harbin University of Science and Technology, Harbin 150000, China
  • 2Key Laboratory of Engineering Dielectric and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150000, China
Published: 2023-02-20 doi: 10.16790/j.cnki.1009-9239.im.2023.02.005
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Improving the performance of dielectric capacitors is one of the effective methods to meet the requirements of miniaturization and integration of circuit components. How to improve the dielectric properties of dielectric composites has attracted extensive attention of researchers. A series of ZIF-67/PVDF composite films were prepared by flowing spread molding using polyvinylidene fluoride (PVDF) as matrix and metal organic frameworks (MOFs), ZIF-67, as filler. The influence of MOF on the microstructure and macroscopic properties of PVDF composites was investigated. The results show that ZIF-67 can induce PVDF to generate more β phase, promote the polarization of matrix, and improve the mechanical and dielectric properties of the composite. When the mass fraction of filler is 5%, the Young's modulus of ZIF-67/PVDF composite film under 40℃ is 1 200 MPa and the breakdown strength is 139.74 kV/mm, both of them are higher than those of pure PVDF. The dielectric constant of ZIF-67/PVDF composite at 100 Hz is 10.39, which is 35.29% higher than that of pure PVDF film, and the dielectric loss can be kept low.

PVDF  /  MOFs  /  dielectric properties  /  crystallized phase
Rui CHU, Ling WENG, Lizhu GUAN, Xiaoming WANG. Preparation and dielectric properties of ZIF-67/PVDF composite film[J]. Insulating Materials, 2023 , 56 (2) : 32 -38 . DOI: 10.16790/j.cnki.1009-9239.im.2023.02.005
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doi: 10.16790/j.cnki.1009-9239.im.2023.02.005
  • Receive Date：2022-03-21
  • Online Date：2025-11-21
  • Published：2023-02-20
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  • Received：2022-03-21
  • Revised：2022-05-02
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Affiliations
    1School of Materials Science and Chemical Engineering, Ministry of Education, Harbin University of Science and Technology, Harbin 150000, China
    2Key Laboratory of Engineering Dielectric and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150000, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2023.02.005
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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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