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    • 5. 发明申请
    • DISPERSED CARBON-COATED METAL PARTICLES, ARTICLES AND USES
    • 分散的碳涂层金属颗粒,文章和用途
    • WO2016060856A1
    • 2016-04-21
    • PCT/US2015/053428
    • 2015-10-01
    • EASTMAN KODAK COMPANY
    • KOSYDAR, Karen M.SLATER, Gary L.BRICK, Mary ChristineLANDRY-COLTRAIN, Christine JoanneRECZEK, James Albert
    • C09D11/03H05K1/00C09D11/037
    • C09D11/037C09D11/03
    • A non-aqueous composition contains dispersed carbon-coated metal particles in an organic diluent in an amount of at least 10 weight %. The dispersed carbon-coated metal particles have a median diameter equal to or less than 0.6 μm, and are dispersed using a particle dispersing agent that has a weight average molecular weight (M w ) of at least 2,000 and up to and including 100,000 and comprises nitrogen-containing units. The median diameter of the dispersed particles is determined using a dynamic light scattering method. Moreover, when the non- aqueous composition contains up to and including 25 weight % of the dispersed carbon-coated metal particles, it exhibits no visual settling when subjected to a settling test of at least 24 hours at 20°C. Such non-aqueous compositions can include photocurable components and are useful to prepare photocurable and photocured electrically-conductive patterns and layers in various articles, including touch screen devices having touch screen displays.
    • 非水性组合物在有机稀释剂中含有至少10重量%的分散的碳涂覆的金属颗粒。 分散的碳涂覆的金属颗粒的中值直径等于或小于0.6μm,并且使用重均分子量(Mw)至少为2,000且至多并包括100,000的颗粒分散剂分散,并且包含氮 包含单位。 使用动态光散射法测定分散颗粒的中值粒径。 此外,当非水组合物含有至多并且包括25重量%的分散的碳涂覆的金属颗粒时,当在20℃进行至少24小时的沉降试验时,其表现出没有目视沉降。 这种非水性组合物可以包括光固化组分,并且可用于制备各种制品中的光固化和光固化的导电图案和层,包括具有触摸屏显示器的触摸屏装置。