The present invention provides a coated product having excellent corrosion resistance and excellent finish by a 3-coat 1-bake method;
the method including the steps of forming cured coating film (A1) comprising cationic electrodeposition coating composition (A) on a metal object to be coated; forming first colored coated film (B1) by coating first colored aqueous coating composition (B); forming second colored coated film (C1) by coating second colored aqueous coating composition (C) on uncured first colored coated film (B1); forming clear coated film (D1) by coating clear coating composition (D) on uncured second colored coated film (C1); and simultaneously curing uncured first colored coated film (B1), uncured second colored coated film (C1), and uncured clear coated film (D1).
本发明提供了一种采用3层1烘烤法制备的具有优异耐腐蚀性和优异涂装效果的涂层产品;该方法包括以下步骤:在待涂覆的
金属物体上形成固化涂层膜(A1),该涂层膜包括阳离子电泳涂料组成物(A);通过涂覆第一彩色
水性涂料组成物(B)形成第一彩色涂层膜(B1);在未固化的第一彩色涂层膜(B1)上涂覆第二彩色
水性涂料组成物(C),形成第二彩色涂层膜(C1);通过涂覆清漆组成物(D)在未固化的第二彩色涂层膜(C1)上形成清漆涂层膜(D1);同时固化未固化的第一彩色涂层膜(B1)、未固化的第二彩色涂层膜(C1)和未固化的清漆涂层膜(D1)。