abstract |
It has a structure in which at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer are laminated in this order, and the substrate protective layer is It is a cargo, and a polyester resin or an acrylic resin has a reactive group which reacts with a hardening|curing agent in the terminal or a side chain, or both, and a hardening|curing agent contains isocyanate other than alicyclic isocyanate and alicyclic isocyanate, Other than alicyclic isocyanate A packaging material for an electrical storage device, wherein the ratio ([a]/[b]) of the weight [a] of the isocyanate to the weight [b] of the alicyclic isocyanate is 99/1 to 80/20. |