BIAXIALLY DRAWN LAMINATED POLYESTER FILM

摘要

PROBLEM TO BE SOLVED: To obtain a biaxially drawn laminated polyester film with excellent weatherability, excellent transparency and good color appearance (transparent). SOLUTION: A biaxially drawn laminated polyester film consisting of a layer A and a layer B is provided and 0.01-10 wt.% ultraviolet light absorber is incorporated in at least one layer (the layer A) and thickness of the layer A contg. the ultraviolet light absorber is at least 1/2 of the thickness of the whole laminated polyester film and the whole haze (on 25μm basis) is at most 2.5%.