| 摘要 |
PROBLEM TO BE SOLVED: To provide a multilayer structure capable of inhibiting bag breakage by needling piecing during a retort treatment.SOLUTION: A multilayer structure having a cyclic olefin resin layer (γ) arranged on at least single surface of an ethylene-vinyl ester copolymer saponified article layer (α) through an acid modified olefin elastomer layer (β), uses one with glass transition point of 85°C to 130°C as the cyclic olefin and 5 to 1000 ppm of alkali metal is contained in the EVOH resin.SELECTED DRAWING: None |
