The preparation of CB/SiO2 nano-filled fluorocarbon/epoxy resin blend coating and its durable anticorrosion and anti-ice properties

To prepare coatings with excellent abrasion and strong corrosion resistance, we have taken advantage of the stable physicochemical properties of epoxy resin and its high compatibility with other substances to improve the fluorocarbon surface due to the low surface reactivity caused by the C–F bonding by a simple polymer blending method. The prepared CB/SiO₂-FEVE/EP nanocomposite coatings contain abundant C–F bonds and reactive O–H and epoxy groups, significantly improving the coating’s durable anticorrosive properties. The changes of polymer blending on the coating properties were observed by scanning electron microscopy, durability, Tafel, and electrochemical and self-cleaning tests on the experimental samples. The findings demonstrate that the coated surface characterized by SEM at FEVE: EP = 1:1 has superior interfacial compatibility and outstanding long-term corrosion prevention and self-cleaning qualities compared to the pure FEVE/EP coating. The Tafel and EIS fitting data demonstrate that the CB/SiO₂-FEVE/EP coating has a corrosion current density approximately three orders of magnitude lower than the aluminum sheet, and the former has exceptional corrosion resistance. The CB/SiO₂-FEVE/EP coatings prepared from FEVE: EP = 1:1 blends are of significant research value in solving the increasing corrosion cost problem in various industries.