Multifunctional UV-curable two dimensional hBN/polyurethane acrylate nanocomposite coatings
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Multifunctional nanocomposite coatings with excellent mechanical and thermal properties have been increasingly demanded by many pioneering fields. This study deals with the organic-inorganic hybrid nanocomposite coatings based on the UV-curable polyurethane acrylate as a matrix and hexagonal boron nitride (hBN) as reinforcement were successfully fabricated. In this study, modified hBN added into the oligomeric formulation with different amounts, such as 0.1, 0.2, 0.5, and 1 wt% to increase mechanical properties, thermal properties, hardness, and water resistance. The structural, morphological, and thermal features of nanocomposite films were characterized by using FTIR, XRD, SEM, DSC, TGA, and water contact angle.