PACKAGING MATERIAL, PACKAGING CONTAINER, AND METHOD FOR PRODUCING RECYCLING BASE MATERIAL

To provide a packaging material and a packaging container excellent in a quality of a printing layer, capable of removing not only a printing layer outside the package but also a printing layer in the inside, having excellent detachability of the printing base material, and suited to plastic recycli...

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Bibliographische Detailangaben
Hauptverfasser:	HAYASAKA YUKA, YAMAGAMI TOMOE
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 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 PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES STORING TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide a packaging material and a packaging container excellent in a quality of a printing layer, capable of removing not only a printing layer outside the package but also a printing layer in the inside, having excellent detachability of the printing base material, and suited to plastic recycling.SOLUTION: The packaging material includes at least a first base material, a primer layer for detaching the first base material and a printing layer in this order; the primer layer contains a cured product of a hydroxyl group-containing resin and polyisocyanate; the primer layer is disposed in contact with the first base material, and the printing layer is disposed at a side opposite to the first base material in the primer layer.SELECTED DRAWING: None 【課題】印刷層の画質に優れた包装材であって、且つ、パッケージ外側の印刷層だけでなく内側の印刷層の除去が可能で印刷基材の脱離性に優れた、プラスチックリサイクルに適した包装材及び包装容器の提供。【解決手段】上記課題は、少なくとも、第１の基材、第１の基材を脱離するためのプライマー層及び印刷層をこの順に備えた包装材であって、前記プライマー層が、水酸基含有樹脂とポリイソシアネートとの硬化物を含み、前記第１の基材に接して前記プライマー層が設けられており、かつ、前記プライマー層の第１の基材と反対の側に印刷層が設けられている、包装材によって解決される。【選択図】なし