PAPER LAMINATE AND METHOD FOR PRODUCING THE SAME

To provide a paper laminate having a barrier property and excellent recyclability.SOLUTION: The paper laminate has, on at least one surface of a paper base, a clay-coat layer, an undercoat layer, a vapor deposition layer, an overcoat layer, and a heat-sealing layer in this order. The vapor depositio...

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Bibliographische Detailangaben
Hauptverfasser:	NOISHIKI YASUTOMO, WAKABAYASHI MISAKI, SHAMOTO YUTA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS 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 CORRECTING FLUIDS DYES FILLING PASTES HANDLING THIN OR FILAMENTARY MATERIAL 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 PACKAGES PACKAGING ELEMENTS PACKING 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 STORING TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide a paper laminate having a barrier property and excellent recyclability.SOLUTION: The paper laminate has, on at least one surface of a paper base, a clay-coat layer, an undercoat layer, a vapor deposition layer, an overcoat layer, and a heat-sealing layer in this order. The vapor deposition layer contains at least one selected from the group consisting of metals and ceramics, and has a thickness from 1 nm to 1000 nm inclusive. The pulp recovery rate after re-pulping the paper laminate is at least 80%.SELECTED DRAWING: None 【課題】バリア性を有し、かつリサイクル性に優れる紙積層体の提供。【解決手段】紙基材の少なくとも一方の面上に、クレーコート層、アンダーコート層、蒸着層、オーバーコート層およびヒートシール層をこの順に有する紙積層体であって、前記蒸着層は、金属及びセラミックからなる群から選択される少なくとも１種を含み、厚さが１ｎｍ以上１０００ｎｍ以下であり、前記紙積層体を再離解した後のパルプ回収率が８０％以上である、紙積層体。【選択図】なし