| 摘要 |
PURPOSE:To obtain a coated film having excellent resistance to chipping and corrosion, physical properties, etc. by coating a cationic electrodeposition paint on a steel sheet, then painting a barrier coat having specified composition and properties, and coating a liq. finishing paint thereon. CONSTITUTION:A cationic electrodeposition paint is coated on a steel sheet, a barrier coat having -30--60 deg.C static glass-transition temp. of the coated film and consisting essentially of a modified polyolefin resin is painted thereon, and then a liq. finishing paint is coated. Consequently, a coated film having remarkably excellent resistance to chipping, corrosion, and weather, physical properties, etc., can be formed.
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