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Preparation and Electrical Properties of Polyimide/LDHNSs Composite Films
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Hui LIU1, Lili MA1, 2, Haiquan GUO3, Chuncheng HAO1, Hong ZHANG2
Insulating Materials | 2021, 54(11) : 130 - 133
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Insulating Materials | 2021, 54(11): 130-133
• Polyimide Film Special Issue •
Preparation and Electrical Properties of Polyimide/LDHNSs Composite Films
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Hui LIU1, Lili MA1, 2, Haiquan GUO3, Chuncheng HAO1, Hong ZHANG2
Affiliations
  • 1College of Material Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
  • 2State Key Laboratory of New Energy Power System, North China Electric Power University, Beijing 102206, China
  • 3Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
Published: 2021-11-22 doi: 10.16790/j.cnki.1009-9239.im.2021.11.019
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LDHNSs dispersion was obtained by ultrasonic stripping of hydrotalcite assisted with intercalation agent. PI/LDHNSS composite films were prepared by in-situ polymerization, and their electrical properties were studied. The results show that the LDHNSs disperse uniformly in PI matrix without obvious agglomeration and stacking, which show good interfacial compatibility with the matrix. Compared with pure PI film, the volume resistivity and electric strength of the composite films decrease slightly to some extent with the addition of LDHNSs. However, it should be note that the corona resistance life of the composite film is improved significantly. When the mass fraction of LDHNSs is 0.5%, the corona resistance life of the composite film is the longest, which is about 8 times longer than that of pure PI, realizing the maximum improvement of corona resistance performance for composite at a relatively low addition amount.

polyimides  /  two-dimension nano materials  /  hydrotalcite  /  corona resistance
Hui LIU, Lili MA, Haiquan GUO, Chuncheng HAO, Hong ZHANG. Preparation and Electrical Properties of Polyimide/LDHNSs Composite Films[J]. Insulating Materials, 2021 , 54 (11) : 130 -133 . DOI: 10.16790/j.cnki.1009-9239.im.2021.11.019
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doi: 10.16790/j.cnki.1009-9239.im.2021.11.019
  • Receive Date：2021-05-11
  • Online Date：2026-03-23
  • Published：2021-11-22
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  • Received：2021-05-11
  • Revised：2021-06-01
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Affiliations
    1College of Material Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
    2State Key Laboratory of New Energy Power System, North China Electric Power University, Beijing 102206, China
    3Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.11.019
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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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