RESIN COMPOSITION, LAMINATE, AND LAMINATED FILM

A resin composition comprising polyvinyl alcohol and an inorganic layered compound having an aspect ratio of from 50 to 5,000, wherein the volumetric ratio of the inorganic compound to the polyvinyl alcohol ranges from 5/95 to 30/70; and a laminate and a laminated film each having a layer (1) compri...

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Bibliographische Detailangaben
Hauptverfasser:	KAWAKITA, TOSHIO, SAKAYA, TAIICHI, KOTANI, KOZO, KURODA, TOSHIYA
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A resin composition comprising polyvinyl alcohol and an inorganic layered compound having an aspect ratio of from 50 to 5,000, wherein the volumetric ratio of the inorganic compound to the polyvinyl alcohol ranges from 5/95 to 30/70; and a laminate and a laminated film each having a layer (1) comprising the above composition or a part of the layer in at least part of the same. The composition, laminate and laminated film exhibit good gas-barrier properties while substantially retaining the good film strength. L'invention concerne une composition de résine comprenant de l'alcool polyvinylique ainsi qu'un composé inorganique en couches dont le rapport d'élancement est compris entre 50 et 5.000, dans alaquelle le rapport volumétrique entre le composé inorganique et l'alcool polyvinylique est compris entre 5/95 et 30/70, ainsi qu'un stratifié et un film stratifié comportant chacun une couche (1) comprenant la composition précitée, ou une partie de ladite couche renfermant au moins une partie de ladite composition. La composition, le stratifié et le film stratifié présentent de bonnes propriétés de barrage aux gaz tout en conservant sensiblement la bonne résistance du film.