| 摘要 |
Provided are: a surface treatment agent for metal bases, which is used for a pretreatment of a metal base, and which enables drawing of a high-definition patterned coating film that is free from blurring when the patterned coating film is formed by an inkjet method; and a method for forming a patterned coating film. A surface treatment agent for metal bases, which is used in advance of the formation of a patterned coating film on a metal base by application of an ink by an inkjet method. This surface treatment agent for metal bases is composed of a composition that contains phosphoric acid, a surfactant other than a metal salt of a fatty acid, and water. |
