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Effect of Chemical Corrosion on Surface Hydrophobicity of Superhydrophobic Coatings
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Jinyu CHEN1, Junwu CHEN1, Li LI1, Yi XIE2, Zhi CHEN3
Insulating Materials | 2021, 54(1) : 91 - 98
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Insulating Materials | 2021, 54(1): 91-98
• Test and Analysis •
Effect of Chemical Corrosion on Surface Hydrophobicity of Superhydrophobic Coatings
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Jinyu CHEN1, Junwu CHEN1, Li LI1, Yi XIE2, Zhi CHEN3
Affiliations
  • 1School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • 2State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430074, China
  • 3Wuhan Super-convenerge New Material Co., Ltd., Wuhan 430000, China
Published: 2021-01-20 doi: 10.16790/j.cnki.1009-9239.im.2021.01.016
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The surface corrosion rate of superhydrophobic coating during chemical corrosion was evaluated by using mass change representation method, and a modified superhydrophobic coating by adding fluorine-containing compound to the final coating was proposed. Under room temperature, acid, alkali, and salt corrosion resistance experiments were conducted on glass substrates coated with fluorine-containing superhydrophobic coatings, fluorine-free superhydrophobic coatings, and RTV coatings, respectively, and different corrosion time and corrosive medium concentration were set. The results show that the acid and salt resistance of superhydrophobic coating is stronger than the alkali resistance. The addition of fluorine-containing compounds can significantly improve the chemical resistance of superhydrophobic coating. The acid and alkali resistance of the fluorine-containing superhydrophobic coatings is similar to that of the RTV coatings, but its salt corrosion resistance is significantly better than that of the RTV coatings.

superhydrophobic coating  /  RTV coating  /  chemical resistance  /  static contact angle  /  rolling angle
Jinyu CHEN, Junwu CHEN, Li LI, Yi XIE, Zhi CHEN. Effect of Chemical Corrosion on Surface Hydrophobicity of Superhydrophobic Coatings[J]. Insulating Materials, 2021 , 54 (1) : 91 -98 . DOI: 10.16790/j.cnki.1009-9239.im.2021.01.016
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doi: 10.16790/j.cnki.1009-9239.im.2021.01.016
  • Receive Date：2020-04-10
  • Online Date：2026-01-26
  • Published：2021-01-20
Article Data
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History
  • Received：2020-04-10
  • Revised：2020-05-28
Affiliations
    1School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
    2State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430074, China
    3Wuhan Super-convenerge New Material Co., Ltd., Wuhan 430000, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.01.016
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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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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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