Adhesive, laminate, packaging material for battery casing, battery case, and method of producing battery case

An adhesive for laminating a metal foil and a resin film, comprising:

• (A) 1% to 20% by mass of polyurethane which has at least one functional group selected from the group consisting of a hydroxy group, an acryloyl group, and a carboxy group;
• (B) 30% to 90% by mass of a monomer which does not has an active hydrogen group and has two or more ethylenically unsaturated bonds;
• (C) 1% to 55% by mass of an aliphatic monomer which has one ethylenically unsaturated bond;
• (D) 1% to 15% by mass of a polyisocyanate compound;
• and
• (E) 0.5% to 5% by mass of a photoinitiator,
• wherein the (B) has at least one cyclic structure selected from the group consisting of an alicyclic structure, an aromatic ring structure, and a heterocyclic structure, and
• the (C) has at least one group selected from the group consisting of an open chain hydrocarbon group having 1 to 12 carbon atoms and an alicyclic group having 5 to 10 carbon atoms.