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Preparation and Properties of PI/ZIF-67 Three-layer Composite Film
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Chuanqun MO, Peibang DAI, Wei ZHAO
Insulating Materials | 2021, 54(4) : 31 - 35
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Insulating Materials | 2021, 54(4): 31-35
• Material Research •
Preparation and Properties of PI/ZIF-67 Three-layer Composite Film
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Chuanqun MO, Peibang DAI, Wei ZHAO
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  • Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin 541004, China
Published: 2021-04-20 doi: 10.16790/j.cnki.1009-9239.im.2021.04.006
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Through adding 2-methyimidazolium cobalt (ZIF-67) nano-fillers into 3,3′,4,4′-biphenyltetracarboxylic anhydride (BPDA) - 4,4′-diaminodiphenyl ether (ODA) type polyimide (PI) matrix, we prepared a PI/ZIF-67 three-layer composite films with sandwich structure. The structure of ZIF-67 and PI/ZIF-67 three-layer composite films were characterized by FTIR, XRD, and SEM, and the effect of ZIF-67 content on the thermal stability and dielectric property of the composite films was studied. The results show that when the mass fraction of ZIF-67 is less than 10%, the initial decomposition temperature of composite film is higher than 500℃, which shows good thermal stability. The dielectric constant of PI/ZIF-67 composite films is obviously lower than that of PI. When the mass fraction of ZIF-67 is 10%, the dielectric constant of PI/ZIF-67 composite film decreases by 50%. When the mass fraction of ZIF-67 is 5%, the dielectric constant of PI/ZIF-67 composite film decreases by 71%. When the mass fraction of ZIF-67 is less than 10.0%, the dielectric loss of PI/ZIF-67 composite film is slightly higher than that of pure PI.

polyimide  /  ZIF-67  /  hybrid film
Chuanqun MO, Peibang DAI, Wei ZHAO. Preparation and Properties of PI/ZIF-67 Three-layer Composite Film[J]. Insulating Materials, 2021 , 54 (4) : 31 -35 . DOI: 10.16790/j.cnki.1009-9239.im.2021.04.006
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doi: 10.16790/j.cnki.1009-9239.im.2021.04.006
  • Receive Date：2020-08-02
  • Online Date：2026-01-26
  • Published：2021-04-20
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  • Received：2020-08-02
  • Revised：2020-09-07
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    Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin 541004, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.04.006
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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
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Genus		 种数
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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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