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    • 3. 发明授权
    • Polymer-coated metal strip and method of production
    • 聚合物涂层金属带和生产方法
    • US07279225B2
    • 2007-10-09
    • US10233369
    • 2002-08-31
    • James E. Velliky
    • James E. Velliky
    • B32B15/04
    • B32B37/153B29C47/0014B29C47/0021B29C47/025B29C47/8805B29C47/8845B29C47/8895B29K2023/06B29K2023/086B29K2023/12B29K2077/00B32B15/08B32B37/085B32B37/203B32B38/0008B32B2309/02B32B2309/14B32B2310/0445B32B2311/00Y10T428/31678Y10T428/31692
    • The present invention provides for a polymer metallic strip and an improved rapid process for the continuous extrusion coating layer of the surface of a metal strip. The present invention provides for moving a metal strip by a multiplicity of rolls, pre-treating at least one and perhaps both sides of the metal strip using an oxidizing flame, coating layer the pre-treated strip surface(s) with a liquid primer, drying the primer, and activating the primer with an oxidizing flame, and or an oven and/or a corona discharge. The primed, activated, metal strip is then extrusion coated with a polymeric extrudate, passed over a temperature-controlled, chilled roll of a specific surface roughness to achieve the desired surface properties wherein such steps are performed with an edge containment system. The activation and extrusion coating layer steps may be repeated to coat the second side. Further, one may optionally subsequently re-heat the coated strip to about the polymeric melting temperature and follow such reheating with a rapid quench or a stepped surface quench followed by a rapid quench.
    • 本发明提供一种聚合物金属带和用于金属带表面的连续挤出涂层的改进的快速方法。 本发明提供了通过多个辊移动金属带,使用氧化火焰预处理金属带的至少一个可能的两侧,或者使用液体底漆涂覆预处理的带材表面, 干燥底漆,并用氧化火焰和/或烘箱和/或电晕放电活化底漆。 然后,用聚合物挤出物挤出涂底漆的活化的金属条,通过温度控制的具有特定表面粗糙度的冷却辊以达到所需的表面性质,其中这种步骤用边缘容纳系统进行。 可以重复激活和挤出涂布层步骤以涂覆第二面。 此外,可以任选地随后将涂覆的带重新加热至约聚合物熔融温度,并且通过快速淬火或阶梯表面淬火,随后快速淬火来跟随这种再加热。