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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/106342


    Title: Preparation and Characterization of Spironaphthooxazine/Polyacrylate Photochromic Hard Coatings on Plastic Substrates
    Authors: Chao-Ching Chang;Chih-Shing Wang;Yu-Chen Chen;Liao-Ping Cheng
    Keywords: Photochromic;Coatings;Spirooxazine;Polyacrylate
    Date: 2014-06-01
    Issue Date: 2016-04-22 13:46:45 (UTC+8)
    Publisher: 淡江大學
    Abstract: Optical coatings exhibiting photochromic effects were prepared by UV-curing of a coating formulation that incorporates a hexa-functional monomer, DPHA, and an organic dye, spironaphthooxazine. Spectroscopic studies of the coatings indicated efficient photochromic activities in response to UV irradiation. The depth of color and the rate of bleaching at 610 nm were found to depend on the UV dosage and the dye content; specifically, the transmittance returned from 42 to 82%
    and from 38 to 67% in 60 s. for the coating containing 3.7 wt% dye that received 0.45 and 3.6 of J/cm 2 of UV exposure, respectively. Furthermore, the coatings were very hard (7H, pencil hardness) and adhered perfectly (100%, peel test) on poly (methyl methacrylate) substrates.
    Relation: 淡江理工學刊=Journal of Applied Science and Engineering 17(2), pp.167-174
    DOI: 10.6180/jase.2014.17.2.07
    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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