| abstract |
A multilayer film including: an A layer composed of a thermoplastic resin; and a B layer disposed on at least one of the surfaces of the A layer, the B layer being composed of a material Y that contains as a main component a polymer having a glass transition temperature of −50 to 40° C., and a thickness Ta of the A layer, a thickness Tb of the B layer, a planar orientation coefficient P of the A layer, a loss modulus Ea″ of the A layer, a loss modulus Eb″ of the B layer, a storage modulus Ea′ of the A layer, and a storage modulus Eb′ of the B layer satisfying following formulae (1) to (4):n n2.5×10 −3 <Tb/Ta <1.0×10 −1 (1)n n P >1.0×10 −3 (2)n n Eb″>Ea ″+0.01 GPa (3)n n Eb′<Ea ′−1 GPa. (4) |