Multilayer structure
AssigneeMitsubishi Chemical Corporation
InventorsAyano NAKASHIMA, Yoshitaka MATSUMURA, Michael L. OPACICH
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Abstract
The present invention provides a multilayer structure including a semi-aromatic polyamide layer and an ethylene-vinyl alcohol copolymer layer, having a high gas barrier property after heat sterilization treatment and few curls, and easy to laminate, to be subjected to bag making processing and to be filled with contents. The multilayer structure according to the present invention includes the semi-aromatic polyamide layer, the ethylene-vinyl alcohol copolymer layer, and a thermoplastic resin layer between the semi-aromatic polyamide layer and the ethylene-vinyl alcohol copolymer layer.
Claims12
A multilayer structure, comprising:
- a semi-aromatic polyamide layer (A);
- an ethylene-vinyl alcohol copolymer layer (B);
- and
- a thermoplastic resin layer (C) between the semi-aromatic polyamide layer (A) and the ethylene-vinyl alcohol copolymer layer (B), the thermoplastic resin layer (C) containing a thermoplastic resin other than a semi-aromatic polyamide and an ethylene-vinyl alcohol copolymer.
Dependencies are inferred from the claim text.