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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/100095

    Title: Preparation and characterization of silica/polymer antifogging coatings
    Authors: Chang, Chao-Ching;Wang, Kuan-Chung;Chen, Ching-Chung;Cheng, Liao-Ping
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Antifogging;Colloidal silica;Nanocomposite;Hybrid coating;Plastic substrate
    Date: 2014-02-01
    Issue Date: 2015-01-28 11:07:18 (UTC+8)
    Publisher: America: Academic Journal
    Abstract: 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 glycidyl methacrylate and poly(ethylene oxide)-based hydrophilic species was applied and then UV-cured to yield a film exhibiting the AF effect. Solid-state 29Si-NMR and FTIR were 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.
    Relation: Polymers & Polymer Composites 22(1), pp.39-44
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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