GAS-BARRIER MATERIAL, GAS-BARRIER MOLDED ARTICLE, AND METHOD FOR PRODUCING THE GAS-BARRIER MOLDED ARTICLE

The present invention provides the gas barrier molded article having high permeation barrier properties against oxygen gas, water vapor and the like. A gas barrier material containing cellulose fibers having an average fiber diameter of not more than 200 nm wherein the content of carboxyl group in a...

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Bibliographische Detailangaben
Hauptverfasser:	MUKAI, KENTA, UGAJIN, TORU, MEIWA, ZENBEI, KUMAMOTO, YOSHIAKI, MAEZAWA, TAKAHIRO, ISOGAI, AKIRA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING IMPREGNATING OR COATING OF PAPER INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides the gas barrier molded article having high permeation barrier properties against oxygen gas, water vapor and the like. A gas barrier material containing cellulose fibers having an average fiber diameter of not more than 200 nm wherein the content of carboxyl group in a cellulose ranges from 0.1 to 2 mmol/g; and further a cross-linking agent having a reactive functional group or the cellulose fibers being dried or heated or a gas barrier molded article containing a molded substrate and a layer composed of the gas barrier material on the surface of the molded substrate.