| abstract |
The present invention includes a polyolefin resin, a polyurethane resin and a polyester resin, the polyurethane resin includes a first polyurethane resin and a second polyurethane resin, and the first polyurethane resin has a weight average molecular weight of 38,000 to 50,000 g/mol, and the second polyurethane resin relates to an aqueous base coating composition having a weight average molecular weight of 20,000 to 35,000 g/mol. |