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Research progress on hydrophobicity transfer of silicone rubber
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Yun CHEN1, Yu HAN1, Xiaofang WANG1, Yiliang LU1, Chong ZHANG1, Bingkun YANG1, Yueju ZHAO2, 3, Qiang ZHANG1, Song GAO4, Jinbiao SHI2, 3
Insulating Materials | 2026, 59(3) : 88 - 98
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Insulating Materials | 2026, 59(3): 88-98
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Research progress on hydrophobicity transfer of silicone rubber
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Yun CHEN1, Yu HAN1, Xiaofang WANG1, Yiliang LU1, Chong ZHANG1, Bingkun YANG1, Yueju ZHAO2, 3, Qiang ZHANG1, Song GAO4, Jinbiao SHI2, 3
Affiliations
  • 1China Electric Power Research Institute Co., Ltd., Beijing 100192,China
  • 2Beijing GuodianFutong Science and Technology Development Co., Ltd., Beijing 100070, China
  • 3NARI Group Corporation Co., Ltd. (State Grid Electric Power Research Institute Co., Ltd.), Nanjing 211106, China
  • 4Electric Pawer Research Institute, State Grid Jiangsu Electric Power Co., Ltd., Nanjing 211103, China
Published: 2026-03-20 doi: 10.16790/j.cnki.1009-9239.im.2026.03.010
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Due to its excellent anti-pollution flashover performance, silicone rubber is widely used in the external insulation of high-voltage power equipment. This anti-pollution performance of silicone rubber stems from its unique hydrophobicity transfer, which means that when the material surface is covered with contaminating particles, internal hydrophobic substances will transfer to the surface of the contaminated layer, endowing the contaminated layer with hydrophobicity. The quality of the hydrophobicity transfer of silicone rubber is directly related to its anti-pollution flashover performance. Understanding its hydrophobicity transfer mechanism and influencing factors can provide guidance for the development and use of silicone rubber. This paper summarized the hydrophobicity transfer mechanism of silicone rubber, as well as the influences of insoluble pollutants, soluble pollutants, temperature, humidity, formulation process, and electric field environment on the hydrophobicity transfer of silicone rubber, and put forward prospects for future research directions.

silicone rubber  /  hydrophobicity transfer  /  pollution  /  temperature and humidity  /  formula process
Yun CHEN, Yu HAN, Xiaofang WANG, Yiliang LU, Chong ZHANG, Bingkun YANG, Yueju ZHAO, Qiang ZHANG, Song GAO, Jinbiao SHI. Research progress on hydrophobicity transfer of silicone rubber[J]. Insulating Materials, 2026 , 59 (3) : 88 -98 . DOI: 10.16790/j.cnki.1009-9239.im.2026.03.010
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doi: 10.16790/j.cnki.1009-9239.im.2026.03.010
  • Receive Date：2025-07-14
  • Online Date：2026-09-10
  • Published：2026-03-20
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  • Received：2025-07-14
  • Revised：2025-09-29
Affiliations
    1China Electric Power Research Institute Co., Ltd., Beijing 100192,China
    2Beijing GuodianFutong Science and Technology Development Co., Ltd., Beijing 100070, China
    3NARI Group Corporation Co., Ltd. (State Grid Electric Power Research Institute Co., Ltd.), Nanjing 211106, China
    4Electric Pawer Research Institute, State Grid Jiangsu Electric Power Co., Ltd., Nanjing 211103, China
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表12种不同金属材料的力学参数
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Family		 属数
Number of
genus		 种数
Number of
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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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