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    • 6. 发明授权
    • Abradable dry film lubricant and the method for applying same and article made therefrom
    • 可磨性干膜润滑剂及其制备方法及制品
    • US09534119B2
    • 2017-01-03
    • US12443690
    • 2007-10-30
    • Andrew W. Suman
    • Andrew W. Suman
    • F16J1/08C09D5/03
    • C09D5/033F04C2230/91F05B2220/302F05B2220/40F05C2251/14F05C2253/12
    • An article with an abradable dry powder coating thereon comprises an abradably coated article with a substrate surface and having at least one coating of a liquid primer on the substrate surface and then coating with at least one abradable dry powder coating on the surface of the liquid primer. The sequence of layers may also be reversed, or additional layers may be useful. The abradable dry powder coating is formed of a dry powder coating composition including a thermoset resin having a cure temperature combined with at least one filler material, wherein the filler is formed of a material which does not melt substantially at or below the cure temperature of the resin, whereby an abradable coating results employing a filler to make the coating. A method of making a composition for coating an article with a coating curable into an abradable coating is also disclosed, comprising melt-mixing an evaporative carrier-free mixture of a dry powder thermoset resin having a cure temperature, to form a mass composite, wherein the filler is formed of a material which does not substantially melt at or below the cure temperature of the resin, cooling the mass composite, and breaking the cooled mass composite into powder particles, thereby forming the composite powder composition.
    • 具有可磨损的干粉末涂层的物品包括具有基底表面的耐磨涂层制品,并且在基底表面上具有至少一层液体底漆涂层,然后在液体底漆的表面上涂覆至少一种可磨损的干粉末涂料 。 层的顺序也可以颠倒,或者附加层可能是有用的。 可磨损的干粉末涂层由干粉涂料组合物形成,所述干粉涂料组合物包括具有与至少一种填充材料组合的固化温度的热固性树脂,其中所述填料由基本不熔化或低于所述固化温度的材料形成 树脂,由此使用填料制成涂层的可磨损涂层。 还公开了一种制备用于涂覆可固化到可磨损涂层中的涂层的组合物的方法,其包括熔融混合具有固化温度的干粉末热固性树脂的无蒸发载体的混合物以形成质量复合材料,其中 填料由在树脂的固化温度以下不实质熔融的材料形成,冷却组合物,将冷却的复合材料破碎成粉末颗粒,从而形成复合粉末组合物。