Gas barrier film

Stock material or miscellaneous articles – Composite – Of silicon containing

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428451, 428458, 4284735, 4284755, 428480, 428482, 428500, 428522, B32B 0000

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057259585

ABSTRACT:
The present invention provides a gas barrier film including a plastic film and a thin film which is made of a composition containing an oxide as a main component and is formed on at least one surface of the plastic film. A specific gravity of the thin film is 55% or more and 100% or less of a specific gravity of the oxide in the form of a crystal generally present at room temperature and under atmospheric pressure. Thus, the invention provides a gas barrier film having an excellent gas barrier and retort properties and bending resistance; a gas barrier film suitably used in a wrapping material for dried food, liquid food or food containing liquids, frozen food and retort food; a gas barrier film that can be used in an electronic oven, can be sterilized by micro waves end can contain a free-oxygen absorber; a gas barrier film suitably used in a paper carton, a tube, a lid and the like; and a gas barrier film suitably used for cutting off gas for industrial use.

REFERENCES:
patent: 3442686 (1969-05-01), Jones et al.
patent: 4404257 (1983-09-01), Olson
patent: 4963419 (1990-10-01), Lustig
patent: 5084356 (1992-01-01), Deak
patent: 5100720 (1992-03-01), Sawada
patent: 5112673 (1992-05-01), Sawada
patent: 5122410 (1992-06-01), Lofgren
patent: 5279873 (1994-01-01), Oike
Communication from European Patent Office in counterpart application. (Jan. 11, 1995).
Thin Solid Films vol. 199, No. 2, Apr. 15, 1991, Lausanne, CH pp. 247-257.

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