To provide a film which has good adhesiveness to other layers although it has a base material at least one side of which is subjected to no treatment for improving its adhesiveness; and a laminated product which is made with the film and is excellent in gas barrier performance.
The laminated product comprises being a film used for a base material 1, on which an excellently alkali-proof undercoat layer 2, a gas barrier layer 3, an excellently alkali-proof overcoat layer 4, an adhesive layer 5 and a sealant layer 6 are laminated according to this order, wherein the film comprises a polypropylene resin modified with a rosin having an introduced hydroxyl group; and the gas barrier layer 3 contains an alkaline metal polysilicate as a main component.
HAYASHI KENJI
SASAKI NOBORU
SUZUTA MASAYOSHI
