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Effect of silane coupling agent types on electrical properties of nano-TiO2/PMIA composite insulating paper
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Fangcheng LÜ1, Meiying ZHU1, Haoou RUAN1, Xiuquan LU1, Jingxuan SONG1, Xiaobin CHANG2, Qing XIE1
Insulating Materials | 2023, 56(6) : 9 - 17
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Insulating Materials | 2023, 56(6): 9-17
• Material Research •
Effect of silane coupling agent types on electrical properties of nano-TiO2/PMIA composite insulating paper
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Fangcheng LÜ1, Meiying ZHU1, Haoou RUAN1, Xiuquan LU1, Jingxuan SONG1, Xiaobin CHANG2, Qing XIE1
Affiliations
  • 1State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
  • 2Ganzhou Longpont Material Technology Co., Ltd., Ganzhou 341000, China
Published: 2023-06-20 doi: 10.16790/j.cnki.1009-9239.im.2023.06.002
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In order to further improve the insulation performance of meta-aramid paper, we modified nano-TiO2 by four kinds of silane coupling agents KH550, KH560, KH580, and KH151, respectively, and then prepared modified nano-TiO2/PMIA composite paper. The influence of coupling agent types on the electrical properties of composite paper, including electrical strength, bulk conductivity and charge-trap characteristics were mainly studied. In addition, the changes in thermal and mechanical properties of different paper were also concerned. based on the molecular dynamic method, the TiO2-PMIA interface grafted with different silane coupling agents was simulated, and the improvement effect of silane coupling agents on the filler-matrix interface was expounded. The results show that with the electrical insulation performance as the main concern index, the modification effect is ranked as KH550, KH151, KH560, KH580 from the optimal order. The suitable type of silane coupling agent can effectively improve the dispersion of nano-fillers in the matrix, enhance the breakdown voltage and volume resistivity of composite materials, and maintain the temperature resistance and mechanical strength of PMIA fibers.

meta-aramid fiber  /  nano-TiO2  /  silane coupling agent  /  insulation performance
Fangcheng LÜ, Meiying ZHU, Haoou RUAN, Xiuquan LU, Jingxuan SONG, Xiaobin CHANG, Qing XIE. Effect of silane coupling agent types on electrical properties of nano-TiO2/PMIA composite insulating paper[J]. Insulating Materials, 2023 , 56 (6) : 9 -17 . DOI: 10.16790/j.cnki.1009-9239.im.2023.06.002
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2023.06.002
  • Receive Date：2022-05-24
  • Online Date：2025-11-21
  • Published：2023-06-20
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  • Received：2022-05-24
  • Revised：2022-07-28
Affiliations
    1State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
    2Ganzhou Longpont Material Technology Co., Ltd., Ganzhou 341000, 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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