HEAT-FUSIBLE LAMINATE FILM

To provide a heat-fusible laminate film which is suitably used for a lid material of a resin coat paper container, can achieve adequate heat sealability between a resin coat paper container and the laminate film, and is also excellent in film formation property.SOLUTION: A laminate film has (A) a se...

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Bibliographische Detailangaben
Hauptverfasser:	MIYAJIMA NORIYUKI, HASHIZUME KAZUKI
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 heat-fusible laminate film which is suitably used for a lid material of a resin coat paper container, can achieve adequate heat sealability between a resin coat paper container and the laminate film, and is also excellent in film formation property.SOLUTION: A laminate film has (A) a seal layer, (B) a core layer and (C) a laminate layer, where (A) the seal layer contains polypropylene and an ethylene-1-butene copolymer, (B) the core layer and (C) the laminate layer each contains linear low-density polyethylene, and the content of the ethylene-1-butene copolymer of (A) the seal layer is 35-70 mass%.SELECTED DRAWING: None 【課題】樹脂コート紙容器の蓋材において好適に用いられ、特に樹脂コート紙容器との間で適切なヒートシール性能を実現できるとともに、成膜性にも優れる、熱融着性の積層フィルムを提供する。【解決手段】（Ａ）シール層、（Ｂ）コア層、及び（Ｃ）ラミネート層を有する積層フィルムであって、（Ａ）シール層がポリプロピレン及びエチレン－１－ブテン共重合体を含有し、（Ｂ）コア層、及び（Ｃ）ラミネート層がそれぞれ直鎖状低密度ポリエチレンを含有し、（Ａ）シール層の上記エチレン－１－ブテン共重合体の含有量が、３５から７０質量％である、上記積層フィルム。【選択図】なし