Patent ID: 7271224

Claim:
A composition for coating having a gas barrier property consisting essentially of coating-forming components of an epoxy resin and an amine curing agent, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylenediamine and said amine curing agent consists of a reaction product obtained from reactants consisting of the following (A) and (B) in a molar ratio [(B)/(A)] of 0.3:1 to 0.95:1: (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound of acrylic acid, methacrylic acid and/or derivative thereof, fumaric acid, malic acid, tartaric acid, pyromellitic acid, trimellitic acid or derivatives thereof, having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer.