Volume 38 Issue 2
Apr.  2023
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Article Navigation >  Development and Application of Materials  > 2023  >  38(2): 84-90
ZHANG Lili, ZHANG Mingqi, CHEN Kaifeng, WANG Jingjing, ZHANG Xinyue, ZENG Dengfeng, SU Mengxing, LI Minghua. Study on Preparation and Application of Epoxy Wear-Resistant Insulating Anticorrosive Coatings[J]. Development and Application of Materials, 2023, 38(2): 84-90.
Citation: ZHANG Lili, ZHANG Mingqi, CHEN Kaifeng, WANG Jingjing, ZHANG Xinyue, ZENG Dengfeng, SU Mengxing, LI Minghua. Study on Preparation and Application of Epoxy Wear-Resistant Insulating Anticorrosive Coatings[J]. Development and Application of Materials, 2023, 38(2): 84-90.
shu

Study on Preparation and Application of Epoxy Wear-Resistant Insulating Anticorrosive Coatings

  • 1. Xiamen Advanced Materials Academy of Luoyang Ship Material Research Institute, Xiamen 361101, China;

  • 2. Science and Technology on Marine Corrosion and Protection Laboratory, Luoyang Ship Material Research Institute, Qingdao 266237, China;

  • 3. Xiamen Shuangrui Marine Coatings Co., Ltd., Xiamen 361101, China

  • Received Date: 2021-09-09
    Available Online: 2023-05-06
    Abstract
  • The epoxy wear-resistant insulating anticorrosive coating is prepared by the laboratory simulation accelerating test with the bisphenol A resin and cardanol modified amine resin as the base material and alumina powder, silicon carbide, iron oxide red and other wear-resistant anticorrosive as fillers. The surface adhesion of the coating on carbon steel is more than 6 MPa. Under the condition of 750 g/1000 r, the abrasive weight loss of the coating surface is less than 30 mg. The coating has good insulation, the surface resistivity higher than 8.04×1010 Ω. After 1 000 h of salt spray test, the coating on the three plates has no blisters, rust and peeling off. The electrochemical impedance value test is carried out under the condition of 0.01 Hz low frequency impedance (|Z|0.01 Hz), and the electrochemical impedance value of the coating drops from 1.38×109 Ω·cm2 before the salt spray resistance test to above 8.11×107 Ω·cm2 after the test, showing that the coating has high impedance value and good protection performance. Besides, the coating is applied into the track anti-corrosion insulation protection of the test section of Jiaxing light rail, and the impedance value of the track with coating is 26.25 Ω·km while that of the track with no coating is 15 Ω·km, improving that coating has excellent insulation performance.

     

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