Method for implementing hydrophobic surface using spray coating

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The present invention relates to a hydrophobic surface implementation method using spray coating. More particularly, the hydrophobic surface implementation method comprises the steps of : (a) mixing and reacting a rare earth metal oxide precursor solution with sodium hydroxide to obtain rare earth metal oxide nanoparticles; and (b) spray-coating the rare earth metal oxide nanoparticles onto a substrate. Through the method, the hydrophobic surface is realized by spray-coating the rare earth metal oxide nanoparticle solution onto the substrate, and a disadvantage of the coating using a conventional polymer material can be compensated.COPYRIGHT KIPO 2019