| abstract |
A surface-treated metal plate for polyolefin bonding, provided with a metal plate and a resin layer provided on at least one face of the metal plate, the resin layer including an acid-modified polyolefin, the acid-modified polyolefin including a first acid-modified polyolefin having an acid value of 5 mg KOH/g or less and a second acid-modified polyolefin having an acid value of 20 mg KOH/g or greater and a melting point of more than 90°C, and the difference between the melting point of the first acid-modified polyolefin and the melting point of the second acid-modified polyolefin being 0°C to less than 40°C. |