| abstract |
[Problem] The object of the present invention is to provide a film-shaped battery packaging material that can replace the adhesive layer and base material layer in the conventional film-shaped battery packaging material, and provide a coating layer as the outermost surface. The surface layer, thereby achieving thinning, this film-shaped battery packaging material has chemical resistance, moldability, and interlayer adhesion between the barrier layer and the coating layer, and can shorten the production cycle. [Solution] In a battery packaging material including a laminate having at least a coating layer, a barrier layer, and a sealing layer in this order, the coating layer has at least a first coating layer, a second coating layer, and a third coating layer. The coating layer has three layers, the first coating layer is located on the outermost surface layer, the third coating layer is arranged on the barrier layer side, and the cured products of the resin composition containing a thermosetting resin and a curing accelerator are respectively used to form the third coating layer. The first coating layer, the second coating layer, and the third coating layer, and making it satisfy a specific hardness, thereby enabling thinning, chemical resistance, moldability, and interlayer density between the barrier layer and the coating layer It has excellent compatibility and can be manufactured efficiently with a shortened production cycle. |