TiO2/EP superhydrophobic composite coating with excellent mechanical and chemical stability

Liang, Ce; Liu, Xiaohu; Teng, Fei; Li, Yi; Gao, Shuang

doi:10.1016/j.surfcoat.2024.130641

Surface and Coatings Technology

2024

DOI: 10.1016/j.surfcoat.2024.130641

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TiO2/EP superhydrophobic composite coating with excellent mechanical and chemical stability

Ce Liang,

Xiaohu Liu,

Fei Teng

et al.

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2024

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Cited by 2 publications

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Waterborne robust superhydrophobic PFDTES@TiO2-PU coating with stable corrosion resistance, long-term environmental adaptability, and delayed icing functions on Al–Li alloy

Li,

Ma,

Shi

et al. 2024

Journal of Materials Research and Technology

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Waterborne robust superhydrophobic PFDTES@TiO2-PU coating with stable corrosion resistance, long-term environmental adaptability, and delayed icing functions on Al–Li alloy

Li,

Ma,

Shi

et al. 2024

Journal of Materials Research and Technology

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Anticorrosion Performance of Waterborne Coatings with Modified Nanoscale Titania under Subtropical Maritime Climate

Lyu,

Sun,

Feng

et al. 2024

Polymers

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Steel structures located in subtropical marine climates face harsh conditions such as strong sunlight and heavy rain, and they are extremely corroded. In this study, a waterborne coating with excellent corrosion resistance, hydrophobic ability, high-temperature resistance and high density was successfully prepared by using modified nanoscale titania powders and grafted polymers. The effects of three modifiers on titania nanoparticles and waterborne coatings’ properties were studied independently. The experimental results showed that the activation index of the modification employing methacryloxy silane reached 97.5%, which achieved the best modification effect at 64.4 °C for 43.3 min. The waterborne coating with nanoscale titania modified by methacryloxy silane exhibited the best hydrophobic effect, with a drop contact angle of 115.4° and excellent heat resistance of up to 317.2 °C. The application of the waterborne modified coating in steel structures under subtropical maritime climates showed that the waterborne titania coatings demonstrated excellent resistance to corrosion, high temperatures and harsh sunlight, with a maximum service life of up to five years. Economic analysis indicated that, considering a conservative three-year effective lifespan, this coating could save more than 50% in cost compared with conventional industrial coatings. Finally, the strengthening mechanism of the polymer coatings with modified nanoscale titania was analyzed.

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TiO2/EP superhydrophobic composite coating with excellent mechanical and chemical stability

Cited by 2 publications

References 30 publications

Waterborne robust superhydrophobic PFDTES@TiO2-PU coating with stable corrosion resistance, long-term environmental adaptability, and delayed icing functions on Al–Li alloy

Waterborne robust superhydrophobic PFDTES@TiO2-PU coating with stable corrosion resistance, long-term environmental adaptability, and delayed icing functions on Al–Li alloy

Anticorrosion Performance of Waterborne Coatings with Modified Nanoscale Titania under Subtropical Maritime Climate

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