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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/96932


    Title: Preparation and characterization of highly transparent epoxy/inorganic nanoparticle hybrid thin films
    Authors: Yu, Yang-Yen;Rao, Yu-Cyuan;Chang, Chao-Ching
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Epoxy-titania hybrid materials;High transparent films;Thermal polymerization;Refractive index;Sol–gel method
    Date: 2013/11/01
    Issue Date: 2014-03-14 13:08:13 (UTC+8)
    Publisher: Lausanne: Elsevier S.A.
    Abstract: This paper presents the preparation of epoxy/inorganic-nanoparticle hybrid materials synthesized from diglycidyl ether of bisphenol A and colloidal titania (TiO2) with coupling agent, 3-isocyanatopropyltriethoxysilane, and curing agent, hexahydro-4-methylphthalic anhydride, by using a thermal polymerization. The precursor was spin-coated and thermal-cured to form hybrid films. The experimental results showed that the refractive index of hybrid films can be tuned by adding various solid contents of TiO2 to hybrid films. The refractive index at 633 nm increased from 1.450 to 1.639 as the TiO2 content increased from 0 to 50 wt.%. UV–vis analysis showed that the transparency of hybrid films was over 90%. L.a.b. color analysis indicated that the luminance of films was above 95%, and no yellowing was observed. In addition, the hybrid materials exhibited a low hydroscopic property under a high-humidity environment.
    Relation: Thin Solid Films 546, pp.236–241
    DOI: 10.1016/j.tsf.2013.05.038
    Appears in Collections:[化學工程與材料工程學系暨研究所] 期刊論文

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