| 摘要 |
PURPOSE:To obtain a polyester film in which generation of powder due to scraping of a surface, damage of the surface extremely scarcely occur even if the film is contact fed at a high speed. CONSTITUTION:A polyester film is obtained by laminating polyester composition containing particles in a thickness of 0.01-3mum on at least one side surface of the composition in such a manner that 90% or more of protrusions each having a height of 0.1mum are those due to cause except the particle. |
