| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminated polyester film excellent in adhesion between a polyethylene naphthalate film and coat layers.SOLUTION: The laminated film has, on both surfaces of a polyethylene naphthalate film, coat layers formed of a composition containing an alkoxysilane having an epoxy group and an alkoxysilane having no epoxy group. The polyethylene naphthalate film contains a germanium compound. The amount of the germanium compound contained in the polyethylene naphthalate film is preferably 50-130 ppm as germanium atoms.SELECTED DRAWING: None |
