Composite container having barrier property

Details Composite container having barrier property Composite container having barrier property

1997-10-07

2000-01-04

Dye, Rena L.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 342, 428339, 4284763, 229 584, B65D 540, B32B 102

Patent

active

060107596

ABSTRACT:
A composite container having a barrier property and comprising a packaging material which comprises an inner surface layer, a barrier layer, and a base material layer wherein the barrier layer comprises one selected from nylon MXD 6 and a semi-aromatic polyamide resin, which is a copolymer comprising an aromatic polyamide forming component and an aliphatic polyamide forming component wherein the aromatic polyamide forming component comprises an aliphatic diamine and isophthalic acid and/or terephthalic acid, and the aliphatic polyamide forming component comprises a lactam or an aliphatic diamine, and an aliphatic dicarboxylic acid. The above packaging material may also comprise an inner surface layer having a barrier property and a base material layer wherein the inner surface layer having a barrier property comprises the above semi-aromatic polyamide resin. Such a composite container having a barrier property has both of a good barrier property and a sufficient strength, and is capable of being produced at a low cost without complicating the production process to be used therefor.

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