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    • Water-repellent Spray Coating Using Silica Nanoparticles Surface-treated by Non-solvent Vapor Deposition and Poly(methyl Methacrylate)

    So Jeong Park, Mina Park, Soo Been Jeong, Yerin Lee, Minsoo Jeong,Yeong Don ParkTop Scholar

    POLYMER-KOREA（2023）

    Incheon Natl Univ

    Cited 0|Views0
    Abstract
    Hydrophobic water-repellent coating is a key technology for controlling surface properties and protecting surfaces not only in industrial fields but also in everyday life. Since the hydrophobic surface has functionalities such as selfcleaning, anti-corrosion, and anti-fouling as well as waterproof, it plays a role in protecting the surface and increasing durability in various fields. In this study, the surface of hydrophilic silica nanoparticles was modified to be hydrophobic through non-solvent vapor deposition. A simple spray coating formulation was developed by dispersing silica nanoparticles in a solvent together with a polymer binder, poly(methyl methacrylate). The surface morphology, roughness, and transmittance were investigated with the silica nanoparticle size, solvent type, and polymer concentration, and the hydrophobic surface was optimized by measuring the water contact angle.
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    Key words
    hydrophobic,silica nanoparticle,poly(methyl methacrylate),trichloro(octyl)silane,spray coating
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