A method of preparing a multilayer coating is described. The method comprises the steps of:
(1) applying onto a substrate a first curable coating composition comprising two components that are reactive with one another to form urethane linkages and a third component that includes one or more epoxy groups,
(2) curing the first curable coating composition to form a cured coating,
(3) applying a second curable coating composition onto the surface of the coating from step (2), and
(4) curing the second curable coating composition.
描述了一种制备多层涂层的方法。该方法包括以下步骤
(1) 将第一种可固化涂层组合物涂在基底上,该组合物包括两种相互反应形成聚
氨酯连接的成分和包括一个或多个环氧基团的第三种成分、
(2) 固化第一固化涂层组合物,形成固化涂层、
(3) 将第二固化涂料组合物涂在步骤(2)的涂层表面上,以及
(4) 固化第二固化涂层组合物。