| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a packing material excellent in a gas barrier property, moisture-proofness, fragrance holding performance, taste maintainability, a flavor barrier property and transparency after being molded by deep-drawing capable of keeping a high oxygen barrier property over a long period of time, and excellent in moldability, pinhole-proofness, moldability and rigidity. <P>SOLUTION: This gas barrier multilayered film is laminated at least with a hygroscopic gas barrier resin layer (b) and a heat-sealable thermoplastic resin (c), respectively, in an oxygen absorptive resin layer (a), and keeps 1 ml/m<SP>2</SP>-day-MPa or smaller of oxygen permeability at 23°C in 50% of RH for at least 180 days. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
