POLYURETHANE ADHESIVE FOR PACKAGING MATERIALS FOR BATTERIES AND PACKAGING MATERIAL FOR BATTERIES INCLUDING THE SAME

Provided is a polyurethane adhesive for a battery packaging material, the polyurethane adhesive including a main agent and a polyisocyanate curing agent, wherein the main agent includes polyester polyol of which number-average molecular weight (Mn) is 20,000 to 33,000 g/mol and a glass transition temperature is 1 to 18° C., and provided is a packaging material for batteries including the polyurethane adhesive.