Multilayer label, container using same, and method for manufacturing container

摘要

The present invention provides a multilayer label which has an excellent gas barrier property and which is capable of maintaining the gas barrier property at a high level even when the multilayer label is subjected to physical stress such as deformation or impact. The present invention pertains to a multilayer label for in-mold label molding, comprising: a base material (X); a layer (Z) containing aluminum atoms; and a layer (Y) containing a polymer (A) having a functional group containing a phosphorus atom.