LAMINATED POLYESTER FILM AND SOLAR PANEL MADE THEREOF

摘要

This invention discloses a laminated film comprising two thermoplastic polyester outer layers of identical polytrimethylene terephthalates, different polytrimethylene terephthalates, identical blends of polytrimethylene terephthalate or different blends of polytrimethylene terephthalate and a middle layer selected from a metal foil, polyethylene-vinyl acetate, and a thermoplastic polymer comprising thermoplastic polyester different from the thermoplastic polyester of the two outer layers, wherein the middle layer is laminated between the two outer layers. This invention also discloses a solar panel comprising a back sheet made of the laminated film.