GALVANIZED STEEL SHEET COVERED WITH ALKALI-SOLUBLE RESIN COATING FILM HAVING EXCELLENT ADHESIVENESS BY ADHESIVE

摘要

PROBLEM TO BE SOLVED: To provide a galvanized steel sheet covered with a resin coating film in which the resin coating film is excellent in adhesiveness regardless of kind of an adhesive and is removable by an alkaline solution. SOLUTION: On a surface of the galvanized steel sheet, 0.5 to 5μm thickness coating film of an acrylic resin consisting of a copolymer of acrylic acid and/or methacrylic acid and acrylic acid ester and/or methacrylic acid ester and having 40 to 100 acid value and 30 to 60 deg.C glass transition temperature is formed or 1 to 25wt.% synthetic resin powder of 0.1 to 3μm average particle size is contained in the coating film.