| abstract |
(57) [Summary] [Purpose] A polyester film that has excellent can-making processability, for example, deep-drawing processability after being attached to a metal plate, and also has excellent impact resistance after can-making and the aroma retaining property of the contents. I will provide a. [Structure] A polyester for laminating and forming metal plates, characterized in that the melting point of the polymer is 210 to 245 ° C. and the glass transition temperature is 50 ° C. or less, and the acetaldehyde content of the film is 20 ppm or less. Film. |