LAMINATE FILM AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide a laminate film that serves as a moist heat-resistant gas barrier film having good gas barrier properties and high transparency by grasping an accurate composition of an aluminum oxide vapor deposition film.SOLUTION: The laminate film has an aluminum oxide film lamin...

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Bibliographische Detailangaben
Hauptverfasser:	MUROFUSHI YOSHIRO, FUKUDA KAZUO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DIFFUSION TREATMENT OF METALLIC MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a laminate film that serves as a moist heat-resistant gas barrier film having good gas barrier properties and high transparency by grasping an accurate composition of an aluminum oxide vapor deposition film.SOLUTION: The laminate film has an aluminum oxide film laminated on at least one surface of a polymer film. In the laminate film, when respective fractions of aluminum atomic numbers derived from metal aluminum, aluminum oxide and aluminum hydroxide in the aluminum oxide film are represented as a, b and c, respectively, (a+b+c=1), a is in the range of 0 to 0.07 and c is in the range of 0 to 0.17; and the aluminum oxide film has a density of 2.5 g/cmor more.SELECTED DRAWING: Figure 1 【課題】酸化アルミニウム蒸着膜の正確な組成を把握して、良好なガスバリア性と高い透明性の耐湿熱性ガスバリアフィルムとなる積層フィルムを提供する。【解決手段】高分子フィルムの少なくとも片側の表面に酸化アルミニウム膜が積層され、該酸化アルミニウム膜中の金属アルミニウム、酸化アルミニウムおよび水酸化アルミニウムに起因するアルミニウム原子数の分率をそれぞれａ、ｂ、ｃ（ａ＋ｂ＋ｃ＝１）と表したとき、ａが０〜０．０７の範囲にあり、ｃが０〜０．１７の範囲にあり、かつ該酸化アルミニウム膜の密度が２．５ｇ／ｃｍ３以上であることを特徴とする積層フィルム。【選択図】図１