| 摘要 |
PROBLEM TO BE SOLVED: To provide a biaxially-oriented laminated polyester film utilizable effectively for various applications, since a frictional coefficient of the polyester film surface is extremely low, and a coarse projection does not exist on the polyester film surface.SOLUTION: A biaxially-oriented laminated polyester film does not substantially contain particles in a film. In the biaxially-oriented laminated polyester film, a lubricant is contained in some of outermost layers of the laminated polyester film.SELECTED DRAWING: None |
