Patent ID: 7799396

Claim:
A gas barrier layered product comprising a base material and a layer stacked on at least one surface of the base material, wherein the layer is formed of a composition comprising: a hydrolyzed and condensed product of at least one compound (L) comprising a metal atom to which at least one group selected from a halogen atom and an alkoxy group is bonded, and at least one compound (A) in which an organic group having at least one characteristic group, selected from a halogen atom, a mercapto group and a hydroxyl group, is further bonded to the metal atom; a neutralized product of a polymer comprising at least one functional group selected from a carboxyl group and a carboxylic anhydride group, wherein at least 40 mol % of a —COO— group contained in the at least one functional group has been neutralized with a metal ion having a valence of two or more; and a compound (D) bonded to both the —COO— group contained in the at least one functional group and a group on the surface of the hydrolyzed and condensed product of the compound (L).