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    • 63. 发明授权
    • Simulated weathered-copper coatings for metal
    • 金属模拟风化铜涂层
    • US4416940A
    • 1983-11-22
    • US325653
    • 1981-11-30
    • Kenneth LoyeGary Julian
    • Kenneth LoyeGary Julian
    • B05D5/06B44F9/10B32B5/16B32B19/02B32B27/20
    • B44F9/10B05D5/068Y10S428/913Y10T428/251Y10T428/256
    • Processes for the application of new water-reducible and solvent-based coatings to various substrates to simultaneously impart copper-like metal and patina coloration to achieve a simulated weathered copper appearance are described, as well as the articles produced thereby. The coatings are preferably applied to a primed metal substrate, especially coil coating stock, in a two-step process comprising a first application of a base coat containing a dominant patina-color-producing colorant followed by application of a top coat applied to the cured base coat, the top coat containing a copper-color-producing colorant. After final cure, the substrate exhibits both a copper metallic appearance by reflection of incident light from the top coat and a patina appearance by transmission of light to and reflection from the base coat.
    • 描述了将新的可水稀释和溶剂型涂料应用于各种基材以同时赋予铜样金属和铜绿色以实现模拟风化铜外观的方法,以及由此制备的制品。 涂层优选以两步法施加到底漆金属基材,特别是卷材涂料原料上,该方法包括首先施加含有主要产生彩色彩色产生着色剂的着色剂的底涂层,然后施加涂覆于固化的 底涂层,该外涂层含有产铜色的着色剂。 在最终固化之后,通过反射来自顶部涂层的入射光以及通过透射光并从基底涂层反射而显示出铜的外观。