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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/116705


    Title: Preparation of Nanosilica/polyacrylate Antifog Coatings on Polycarbonate Substrates
    Authors: Chang, Chao-Ching;Tsai, Tsung-Ying;Cheng, Liao-Ping
    Keywords: Anti-fogging;Silica;Nanocomposite;Coatings
    Date: 2019-03
    Issue Date: 2019-05-18 12:10:46 (UTC+8)
    Publisher: 淡江大學
    Abstract: Superhydrophilic UV-curable nanosilica particles were synthesized through reaction of the surfactant, Tween-20, and the C=C containing silane, MSMA, with silica nanoparticles synthesized from hydrolysis and condensation of tetraethoxysilane in an acid catalyzed sol-gel process. The formed organic/inorganic hybrid nanoparticles were used to prepare antifog (AF) coatings with a special hydrophilic/hydrophobic bi-layer structure on polycarbonate (PC) substrates. The coatings were transparent, adhered strongly to the substrate, and demonstrated superb AF capability on steam tests. The hardness of the coatings reached 1H in the optimal case, considerably higher than that of the PC substrate (2B). After immersed in water for 24 h at 25 ℃, this coating still demonstrated good AF capability; however, it took longer time (2 min) to retain transparency on the steam test.
    Relation: Journal of Applied Science and Engineering 22 (1), p.153-162
    DOI: 10.6180/jase.201903_22(1).0015
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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