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    • 6. 发明授权
    • Thermochromic laminate comprising light intercepting pigment and light
stabilizer
    • 包含遮光颜料和光稳定剂的热变色层压板
    • US5688592A
    • 1997-11-18
    • US425788
    • 1995-04-20
    • Yutaka ShibahashiKatsuyuki Fujita
    • Yutaka ShibahashiKatsuyuki Fujita
    • B41M5/337B32B27/18B44F1/08B32B5/16
    • B32B27/18B41M5/30B41M5/42B44F1/08B41M2205/04B41M2205/40B41M5/305B41M5/423B41M5/426Y10S428/913Y10S428/914Y10T428/25Y10T428/251Y10T428/256Y10T428/2991
    • A thermochromic laminate is provided which comprises a thermochromic layer, and a coating layer or layers laminated thereon containing a light-intercepting pigment and a light stabilizer; the coating layer or layers containing the light-intercepting pigment and the light stabilizer dispersed and fixed in a first film-forming material, and the thermochromic layer constituted of a homogeneous solid composed of an electron-donating coloring organic compound, an electron-accepting compound, and an organic compound medium for adjusting color reaction temperature dispersed and fixed in a second film forming material; the light-intercepting pigment being one or more pigments selected from metallic luster pigments, transparent titanium dioxide, transparent iron oxide, transparent cesium oxide, and transparent zinc oxide; and the light stabilizer being one or more chemicals selected from ultraviolet absorbers, antioxidants, singlet oxygen quenchers, superoxide anion quenchers, ozone quenchers, visible light absorbers, and infrared absorbers. The thermochromic laminate has remarkably improved light-fastness.
    • 提供了一种热致变色层压板,其包括热变色层,以及层压在其上的包含遮光颜料和光稳定剂的涂层; 包含遮光颜料的涂层或分散固定在第一成膜材料中的光稳定剂的层,以及由供电子着色有机化合物,电子接受性化合物 和用于调节分散固定在第二成膜材料中的显色反应温度的有机化合物介质; 遮光颜料是选自金属光泽颜料,透明二氧化钛,透明氧化铁,透明氧化铯和透明氧化锌中的一种或多种颜料; 光稳定剂是选自紫外线吸收剂,抗氧化剂,单线态氧猝灭剂,超氧化物阴离子猝灭剂,臭氧猝灭剂,可见光吸收剂和红外线吸收剂中的一种或多种化学物质。 热变色层压板具有显着提高的耐光性。