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2. 发明授权

US07011869B2 Multi-stage processes for coating substrates with multi-component composite coating compositions 失效
标题翻译：用多组分复合涂料组合物涂覆基材的多阶段方法
公开(公告)号：US07011869B2
公开(公告)日：2006-03-14
申请号：US10653335
申请日：2003-09-02
申请人： Donaldson J. Emch
发明人： Donaldson J. Emch
IPC分类号： B05D1/38 , B05D3/02 , B05D3/04 , C08J7/18 , G08F2/46
CPC分类号： B05D7/534 , B05D3/0209 , B05D3/0254 , B05D3/0263 , B05D3/0413 , B05D7/14 , B05D7/52 , F26B3/283 , F26B2210/12
摘要： A process for coating a substrate is provided which includes the following steps: (a) applying a waterborne base coat composition to a surface of the substrate; (b) applying infrared radiation at a power density of 1.5–30.0 kW/m2 and a first air stream simultaneously to the base coat composition such that a pre-dried base coat is formed upon the surface of the substrate; and (c) applying a second air stream in the absence of infrared radiation to the base coat composition such that a dried base coat is formed upon the surface of the substrate. Various embodiments of the invention are disclosed including continuous, batch, and semi-batch processes, which may include additional process steps, such as subsequent application of a topcoat. The process may be used to coat a variety of metal and polymeric substrates, for example, those associated with the body of a motor vehicle.
摘要翻译：提供一种涂布基材的方法，其包括以下步骤：（a）将水性底漆组合物涂布在基材的表面上; （b）以1.5-30.0kW / m 2的功率密度和第一空气流同时向基底涂层组合物施加红外辐射，使得预干燥的基底涂层形成在基材; 和（c）在没有红外辐射的情况下将第二空气流施加到底涂层组合物，使得在基材表面上形成干燥的基底涂层。公开了本发明的各种实施方案，包括连续的，分批的和半间歇的方法，其可以包括额外的工艺步骤，例如后涂涂层。该方法可以用于涂覆各种金属和聚合物基底，例如与机动车辆的身体相关的基底。

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