| 摘要 |
PURPOSE:To obtain the title film excellent in deep drawing properties, impact resistance and heat resistance and useful for a metal container comprising a specified copolyester containing a lubricant and having specified properties. CONSTITUTION:This film comprises a copolyester of an m.p. of 210-245 deg.C (e.g. polyethylene terephthalate), contains a lubricant (e.g. silica) of a mean particle diameter of 2.5mum or below, and has a refractive index along the thickness of film of 1.505-1.545, a refractive index along the surface of film of 1.61-1.66 (in all directions) and a subpeak in DSC of 150-205 deg.C. |
