Patent ID: 6010759
Filing Date: 2000-01-04
Classification: B32B,B65D,Y10T

Abstract:
A composite container having a barrier property and comprising a packaging material which comprises:an inner surface layer comprising a polyolefin resin,a barrier layer, anda base material layer wherein at least an outermost layer thereof comprises an olefin resin,wherein the barrier layer consists essentially of polyamide resin, said polyamide resin being a copolymer comprising an aromatic polyamide forming component of 60 to 100 weight % and an aliphatic polyamide forming component of 0 to 40 weight %, the aromatic polyamide forming component comprising an aliphatic diamine and at least one of isophthalic acid and terephthalic acid, the aliphatic polyamide forming component comprising a lactam or an aliphatic diamine and an aliphatic dicarboxylic acid, said barrier layer having a thickness effective for being provided with a sufficient oxygen barrier property.