Abstract: The present invention relates to a gas-barrier laminate for hydrothermal treatment which comprises a base plastic film, a coating layer formed on at least one surface of the base plastic film, an inorganic thin film formed on a surface of the coating layer which is made of a metal compound, and a heat-sealable plastic film laminated on the inorganic thin film or the base plastic film, wherein the inorganic thin film before laminating the heat-sealable plastic film thereon has a rubbing strength of not less than 20 times as measured under a load of 70 g, and the coating layer has a hardness of 0.15 to 0.40 GPa. The laminate of the present invention is excellent in interlaminar bonding property, hardly undergoes breakage of the inorganic thin film owing to the hydrothermal treatment, and can maintain an excellent gas-barrier property even after subjected to the hydrothermal treatment.

Abstract: The gas barrier film having a thermoplastic polymer film, and an inorganic thin film provided on at least one surface of the thermoplastic polymer film, which gas barrier film is formed by applying, to the inorganic thin film, a solution which contains at least one ion species selected from the group consisting of alkali metal ions, alkaline earth metal ions, and ammonium ions and originating from a low-molecular-weight electrolyte having a molecular weight of 1,000 or less and which has a total ion concentration of the ion species of 1×10?5 mol/L or more and less than 10 mol/L and a solution concentration less than a saturation concentration.

Abstract: There is provided a gas-barrier laminate composed of a base film and an inorganic thin film layer formed on the base film which considerably enhanced in gas-barrier property and gelbo flex resistance. The present invention relates to a gas-barrier laminate comprising a base film containing at least one compound selected from the group consisting of polyvinyl alcohol and an ethylene-vinyl alcohol copolymer, and an anchor coat layer and an inorganic thin film layer successively formed on one surface of the base film in this order, wherein the base film is in the form of a biaxially stretched film having a variation in thickness of 3.5 ?m or less and a crystallinity of 30% or more.

Abstract: Provided is a film which can be industrially coated easily and exhibits excellent gas barrier performance without being subjected to a high-temperature heat treatment. The film exhibits good gas barrier performance immediately after the production, and maintains the excellent gas barrier performance while exhibiting excellent hot water resistance and printing resistance.

Abstract: Provided is a laminated film which exhibits high gas barrier performance immediately after the production and has excellent adhesive strength between constitutional layers, while maintaining the excellent gas barrier performance. The laminated film has at least one constitutional unit layer on an inorganic thin film formed at least on one surface of a base film. The constitutional unit layer is composed of an anchor coat layer having a thickness of 0.1 to 10 nm and an inorganic thin film formed on the anchor coat layer. A method for producing the laminated film is also provided.

Abstract: The gas barrier film of the present invention is a gas barrier film comprising a base material, and an inorganic thin film composed of a silicon oxide film formed on one or both surfaces of the base material, wherein radical density of the Pb center of the silicon oxide film observed by an electron spin resonance method (ESR method) is from 1×1016 to 1×1019 spins/cm3, or a gas barrier film comprising a base material, an inorganic thin film containing silicon oxide and the other metal component formed on one or both surfaces of the base material, wherein radical density of the Pb center of the silicon oxide in the inorganic thin film observed by an ESR method is from 13×1014 to 3×1017 spins/mol, and a laminate wherein at least one paper and/or plastic film is laminated on the gas barrier film.

Abstract: A gas-barrier laminate comprising a base film, a thin film formed on the base film and comprising a metal compound selected from the group consisting of oxides, carbides and nitrides of metals, and mixtures thereof, and a plastic film formed on the metal compound thin film in which a film obtained by forming the metal compound thin film on the base film is subjected to a heat treatment, and having an oxygen permeability of not more than 2 cc/m2/day/atm, wherein when the laminate is subjected to hydrothermal treatment at 120° C. for 30 min, a change in oxygen permeability of the laminate between before and after the hydrothermal treatment is not more than 5.

Abstract: A gas-barrier laminate with a plastic substrate, an inorganic thin film formed on at least one surface of the plastic substrate, and a coating layer formed by applying a coating material on a surface of the inorganic thin film, wherein said coating layer contains a polyester-based resin having a molecular weight of 3000 to 15000 and a polyurethane-based resin having a molecular weight of 8000 to 30000 at a weight ratio of 5/95 to 95/5, and said gas-barrier laminate has an oxygen permeability of not more than 25 fmol/m2/s/Pa; and a gas-barrier laminate comprising a plastic substrate, an inorganic thin film formed on at least one surface of the plastic substrate, and a coating layer formed by applying a coating material on a surface of the inorganic thin film, wherein the gas-barrier laminate exhibits an oxygen permeability of not more than 50 fmol/m2/s/Pa as measured with respect to a gas-barrier film obtained by laminating an unstretched polypropylene film having a thickness of 60 ?m on the coating layer of t

Abstract: A gas-barrier laminate comprising a base film, a thin film formed on the base film and comprising a metal compound selected from the group consisting of oxides, carbides and nitrides of metals, and mixtures thereof, and a plastic film formed on the metal compound thin film in which a film obtained by forming the metal compound thin film on the base film is subjected to a heat treatment, and having an oxygen permeability of not more than 2 cc/m2/day/atm, wherein when the laminate is subjected to hydrothermal treatment at 120° C. for 30 min, a change in oxygen permeability of the laminate between before and after the hydrothermal treatment is not more than 5.

Abstract: The gas barrier film having a thermoplastic polymer film, and an inorganic thin film provided on at least one surface of the thermoplastic polymer film, which gas barrier film is formed by applying, to the inorganic thin film, a solution which contains at least one ion species selected from the group consisting of alkali metal ions, alkaline earth metal ions, and ammonium ions and originating from a low-molecular-weight electrolyte having a molecular weight of 1,000 or less and which has a total ion concentration of the ion species of 1×10?5 mol/L or more and less than 10 mol/L and a solution concentration less than a saturation concentration.

Abstract: A gas-barrier laminate comprises a plastic substrate (A), an inorganic thin film (B) formed on at least one surface of the plastic substrate (A), and a polyester-based resin layer (C) formed by applying a coating material containing a polyester-based resin on a surface of the inorganic thin film (B), wherein the polyester-based resin has a glass transition temperature of 50 to 70° C., a molecular weight of 1500 to 15000 and a hydroxyl value of 10 to 60 mg KOH/g, and the gas-barrier laminate has an oxygen permeability of not more than 5 cc/m2/day/atm and a water vapor permeability of not more than 5 g/m2/day.

Abstract: A gas-barrier laminate comprising a base film, a thin film formed on the base film and comprising a metal compound selected from the group consisting of oxides, carbides and nitrides of metals, and mixtures thereof, and a plastic film formed on the metal compound thin film in which a film obtained by forming the metal compound thin film on the base film is subjected to a heat treatment, and having an oxygen permeability of not more than 2 cc/m2/day/atm, wherein when the laminate is subjected to hydrothermal treatment at 120° C. for 30 min, a change in oxygen permeability of the laminate between before and after the hydrothermal treatment is not more than 5.

Abstract: A gas-barrier laminate comprising a base film, a thin film formed on the base film and comprising a metal compound selected from the group consisting of oxides, carbides and nitrides of metals, and mixtures thereof, and a plastic film formed on the metal compound thin film in which a film obtained by forming the metal compound thin film on the base film is subjected to a heat treatment, and having an oxygen permeability of not more than 2 cc/m2/day/atm, wherein when the laminate is subjected to hydrothermal treatment at 120° C. for 30 min, a change in oxygen permeability of the laminate between before and after the hydrothermal treatment is not more than 5.