LAMINATE FOR PACKAGING MATERIAL AND PACKAGING MATERIAL

To provide a laminate for a packaging material capable of realizing a packaging material excellent in recyclability while having strength and barrier properties as a packaging material.SOLUTION: A laminate for a packaging material includes a base material and a heat seal layer. The heat seal layer i...

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA KENICHI, YONEMOTO TOMOHIRO
Format:	Patent
Sprache:	eng ; jpn
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 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 PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a laminate for a packaging material capable of realizing a packaging material excellent in recyclability while having strength and barrier properties as a packaging material.SOLUTION: A laminate for a packaging material includes a base material and a heat seal layer. The heat seal layer includes a gas barrier resin layer and a polyolefin resin layer. The base material and the polyolefin resin layer are composed of the same polyolefin. The base material is a stretched resin film composed of a polyolefin. The thickness of the gas barrier resin layer is smaller than the thickness of the polyolefin resin layer.SELECTED DRAWING: Figure 1 【課題】包装材料としての強度やバリア性を備えながらリサイクル性にも優れる包装材料を実現することができる包装材料用積層体の提供。【解決手段】本発明の包装材料用積層体は、基材と、ヒートシール層とを備え、ヒートシール層が、ガスバリア性樹脂層と、ポリオレフィン樹脂層とを備え、基材およびポリオレフィン樹脂層が同一のポリオレフィンにより構成され、基材が、ポリオレフィンにより構成される延伸樹脂フィルムであり、ガスバリア性樹脂層の厚みが、ポリオレフィン樹脂層の厚みよりも小さいことを特徴とする。【選択図】図１