| 摘要 |
PROBLEM TO BE SOLVED: To provide a backside protective film for a solar battery which has excellent low heat storage, heat resistance, and flexibility, when receiving sun light on a surface of an infrared ray permeable colorant resin layer, excellent adhesiveness to a member containing ethylene-vinyl acetate copolymer, and excellent durability to a thermal cycle, high moisture permeability resistance, and high weatherability, and a solar battery module.SOLUTION: A backside protective film (1) for a solar battery consists of a stacked body in which an infrared ray permeable colorant resin layer having an infrared ray permeable colorant resin layer (11), a white system resin layer (12), a reinforcement layer (13), and a weather resistance-improving layer (14) in this order, and the weather resistance-improving layers are used as the outermost layer of each surfaces. The infrared ray permeable colorant resin layer (11) contains aromatic vinyl resin and an infrared ray permeable colorant, the white system resin layer (12) contains aromatic vinyl resin and a white system colorant, the reinforcement layer (13) contains saturation polyester resin, and the weather resistance-improving layer (14) contains fluororesin. |
