PAPER BARRIER MATERIAL

An object is to provide a paper barrier material resistant to fractures due to water vapor expansion when heated. As a solution, a paper barrier material is provided, which is characterized in that it comprises a gas barrier layer, a seal layer, a paper base material, and a pigment coating layer, be...

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Bibliographische Detailangaben
Hauptverfasser:	KOYAMOTO Hiroshi, OKAMOTO Masashi, MIYAJIMA Akio, FUKUNAGA Masaaki, OISHI Yuri, KATO Masatsugu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR 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 HANDLING THIN OR FILAMENTARY MATERIAL IMPREGNATING OR COATING OF PAPER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PACKAGES PACKAGING ELEMENTS PACKING PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS STORING TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	An object is to provide a paper barrier material resistant to fractures due to water vapor expansion when heated. As a solution, a paper barrier material is provided, which is characterized in that it comprises a gas barrier layer, a seal layer, a paper base material, and a pigment coating layer, being stacked in this order, wherein the laminate consisting only of the paper base material and pigment coating layer has an air permeation resistance of 2,500 seconds or lower as measured based on JAPAN TAPPI No. 5-2: 2000.