NDLI: Reinforced Superhydrophobic Anti-Corrosion Epoxy Resin Coating by Fluorine–Silicon–Carbide Composites

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Reinforced Superhydrophobic Anti-Corrosion Epoxy Resin Coating by Fluorine–Silicon–Carbide Composites

Content Provider	MDPI
Author	Zhang, Zhicai Zhao, Nie Qi, Fugang Zhang, Biao Liao, Bin Ouyang, Xiaoping
Copyright Year	2020
Description	SiC was modified by fluorine-containing organic substance 1H,1H,2H,2H-trifluoro-noctyltriethoxysilane (FAS) to change its hydrophilicity from hydrophilic to superhydrophobic nanoparticles, and the optimum conditions for hydrophobicity were effectively explored. Then, different content of fluorine-modified SiC (F–SiC) nanoparticles were added to the epoxy resin (EP) matrix to prepare composite coating samples. The results showed that the surface of SiC was modified by FAS to show superhydrophobicity, and the dispersion in EP was significantly improved. After adding F–SiC, the hydrophobicity, wear resistance and corrosion resistance of the coating were significantly improved. In addition, the corrosion resistance of the composite coating containing different contents of F–SiC was analyzed through electrochemical and salt spray tests. The results showed that the corrosion resistance of the coating was the best when the addition amount was 3 wt %. In general, the composite coating with 3 wt % F–SiC had the best overall performance. Compared with the EP coating, the water contact angle of 3 wt % F–SiC/EP composite coating was increased by 62.9%, the friction coefficient was reduced by 73.5%, and the corrosion current was reduced by three orders of magnitude. This study provides a new idea for the development of ultra-wear-resistant and anti-fouling heavy-duty coatings.
Starting Page	1244
e-ISSN	20796412
DOI	10.3390/coatings10121244
Journal	Coatings
Issue Number	12
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2020-12-17
Access Restriction	Open
Subject Keyword	Coatings Coatings and Films Superhydrophobic Nanoparticles Composite Coating Friction Corrosion
Content Type	Text
Resource Type	Article

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