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 same, and a manufacturing method of same. Specifically, the present invention provides a solution composition for surface treatment of a steel sheet, comprising a colloidal silica, an alkoxy silane, a solvent, an acidity control agent, an acrylate monomer, an adhesion improving agent including a backbone made of siloxane bonds, and a metal chelate curing agent, a steel sheet surface-treated using same, and a manufacturing method of same. |