| abstract |
PROBLEM TO BE SOLVED: To improve the corrosion resistance of unpainted (blackening resistance to boiling water in the case of aluminum DI can), to improve the lubricity (lubricity) of metal surface, adhesion of coating film, and after coating. Provided are a metal surface treatment agent having improved corrosion resistance and a treatment method. A metal surface treatment agent comprising a water-soluble, water-dispersible or emulsion organic polymer compound and an oxidizing agent, wherein the organic polymer compound is represented by the following chemical formula (1) or (2). Nitrogen-containing resin. Embedded image Embedded image |