| abstract |
The present invention provides a solution composition having excellent acid corrosion resistance and adhesion to a steel sheet, a steel sheet surface-treated using the same, and a method for manufacturing the same. Specifically, the present invention relates to a solution composition for surface treatment of a steel sheet comprising colloidal silica, an alkoxysilane, a solvent, an acidity control agent, an adhesion enhancer including a backbone made of an acrylate-based monomer, a siloxane bond, and a metal chelate curing agent, and a surface treatment using the same A treated steel sheet and a method for manufacturing the same are provided. |