Abstract
The environment-friendly water-based paint which can provide superhydrophobic coating surface is successfully prepared by using hydrophobic silica nanoparticles and polyvinylpyrrolidone (PVP) as a functional materials and a protected polymer, respectively, in a mixed solvent containing 58% water and 42% ethanol. The water-based paint contains colloidal particles with size of ca. 1000 nm which form by aggregation of primary particles with size of ca. 50 nm. And the dispersion in the paint showed good stability within 2 weeks. The solid surface coated on glass by using the water-based paint had the highest static contact angle of 151o and good environmental stability under atmosphere.
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Authors’ contributions
K.Z., X.Y., N.Z., and Z.W. did the experiments. K.Z. and H.Y. wrote the manuscript and H.Y. designed the project. All authors reviewed the manuscript.
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Zhang, K., Yang, X., Zhu, N. et al. Environmentally benign paints for superhydrophobic coatings. Colloid Polym Sci 295, 709–714 (2017). https://doi.org/10.1007/s00396-017-4053-5
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DOI: https://doi.org/10.1007/s00396-017-4053-5