HEAT-FUSIBLE LAMINATE FILM

To provide a polyolefin-based laminate film containing polypropylene and having reduced environmental loads by using a biomass-derived resin, which has improved 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...

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Bibliographische Detailangaben
Hauptverfasser:	ENDO TAKUO, MIYAJIMA NORIYUKI, YAMAMOTO KEIICHI
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 polyolefin-based laminate film containing polypropylene and having reduced environmental loads by using a biomass-derived resin, which has improved 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 and (C) the laminate layer contain polypropylene, (B) the core layer contains linear low-density polyethylene and biomass-derived low density polyethylene, and crystal heat of fusion ΔH observed in a temperature range of 90-110°C in a second heating process of a DSC curve is 4.8 to 23.2 J/g.SELECTED DRAWING: None 【課題】ポリプロピレンを含有するポリオレフィン系の積層フィルムであって、バイオマス由来の樹脂を使用することにより環境負荷が低減された積層フィルムにおいて、更に製膜性等が向上した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、及び（Ｃ）ラミネート層がポリプロピレンを含有し、（Ｂ）コア層が直鎖状低密度ポリエチレン及びバイオマス由来の低密度ポリエチレンを含有し、ＤＳＣ曲線の第２回昇温行程の９０から１１０℃の温度範囲で観測される結晶融解熱量ΔＨが４．８～２３．２Ｊ／ｇである、上記積層フィルム。【選択図】なし