| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a back sheet for a solar battery which keeps an excellent adhesiveness between an easily stickable layer and an adhesive layer adjacent to the easily stickable layer even in a situation such that it is in a humid and hot environment over an extended period of time. <P>SOLUTION: The back sheet for a solar battery comprises: a base material including a biaxially stretched polyester film; and an easily stickable layer which is provided on at least one side of the base material and which includes a binder including a thermoplastic resin having, in its molecule, a carboxy group, a cross-linked structure part originating from a carbodiimide crosslinking agent, and a wax including an ester of higher fatty acid and higher alcohol in a range of 1.0 mass% to 20 mass% to the total mass of the easily stickable layer. <P>COPYRIGHT: (C)2013,JPO&INPIT |
