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Preparation and Properties of Aramid Fibrid/Mica Composite Insulating Paper
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Miaolin WANG1, Jun LI2, Yimin XIE1, Xinhui LI2, Qinghua FENG1, 2
Insulating Materials | 2022, 55(8) : 32 - 36
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Insulating Materials | 2022, 55(8): 32-36
• Material Research •
Preparation and Properties of Aramid Fibrid/Mica Composite Insulating Paper
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Miaolin WANG1, Jun LI2, Yimin XIE1, Xinhui LI2, Qinghua FENG1, 2
Affiliations
  • 1Pulp and Paper Engineering Research Institute, Hubei University of Technology, Wuhan 430068, China
  • 2Pamica Electric Material Hubei Co., Ltd., Xianning 437400, China
Published: 2022-08-20 doi: 10.16790/j.cnki.1009-9239.im.2022.08.006
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Using aramid fibrid as reinforcing material and introducing into mica paper-based materials, we manufacture an aramid fibrid/mica composite insulating paper by wet paper with pulp. The morphology, mechanical strength, insulating properties, thermal stability, and glue permeability of the composite paper were systematically studied. The results show that the flake mica and ribbon-like aramid fibrid are orderly stacked to form a “brick-mud” structure. The increase of aramid content makes the composite paper structure more compact, and the mechanical strength also increases. With the increase of aramid content, the gap between mica is filled, and the air permeability of composite paper decreases. The electric strength and thermal stability of the composite paper decrease with the increase of thickness, but the composite paper still maintains good insulating properties and thermal resistance.

aramid fibrid  /  mica  /  glue permeability  /  electric strength
Miaolin WANG, Jun LI, Yimin XIE, Xinhui LI, Qinghua FENG. Preparation and Properties of Aramid Fibrid/Mica Composite Insulating Paper[J]. Insulating Materials, 2022 , 55 (8) : 32 -36 . DOI: 10.16790/j.cnki.1009-9239.im.2022.08.006
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2022.08.006
  • Receive Date：2021-08-12
  • Online Date：2025-12-23
  • Published：2022-08-20
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History
  • Received：2021-08-12
  • Revised：2021-10-19
Affiliations
    1Pulp and Paper Engineering Research Institute, Hubei University of Technology, Wuhan 430068, China
    2Pamica Electric Material Hubei Co., Ltd., Xianning 437400, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.08.006
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Citations
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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