| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminated polyester film, in which the generation of a coarse projection caused by the deposition of an oligomer and the generation of a stain on a surface are extremely little and heat resistance is excellent. SOLUTION: The laminated polyester film is provided with a heat resistant resin layer on both sides of a polyester film and haze value is <=5%. When heat treatment is performed at 200 deg.C for 6 hours, rise in haze value is <=1%.
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