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    題名: Preparation and Characterization of Silica/Polymer Antifogging Coatings
    作者: Chang, Hsu-Hsien;Tsai,Chih-Hao;Wei, Hao-Cheng;Cheng, Liao-Ping
    關鍵詞: Antifogging;Colloidal silica;Nanocomposite;Hybrid coating;Plastic substrate
    日期: 2014-02-01
    上傳時間: 2016-04-22 13:46:23 (UTC+8)
    出版者: Smithers Rapra
    摘要: This research work concerns the preparation of a bi-layer antifogging (AF) coating on a polycarbonate plastic substrate. The bottom layer, serving as a mechanical support, is an organic-inorganic composite that is formed by embedding colloidal silica in a crosslinked network of γ glycidoxypropyltrimethoxysiline. Atop this layer, a
    coating formulation incorporating glycidylmethacrylate and poly(ethylene oxide)-based hydrophilic specieswas applied and thenUV-cured to yield a filmexhibiting theAF effect. Solid-state 29Si-NMRand FTIRwere employed to investigate the evolution of chemical bonds during the sol-gel and the UV-curing processes. Contact angles of water on the coatings were measured to examine the hydrophilicity of the coatings. Furthermore, industrial tests such as pencil hardness, tape adhesion, and steam tests were carried out to evaluate the performance of the coatings.
    關聯: Polymers and Polymer Composites 22(1), pp.39-44
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文

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