PACKAGING FILM AND PACKAGE

To provide a packaging film having improved blocking resistance and oxygen barrier property, which have been defects in a film consisting of a single polyethylene layer, and a package composed of the packaging film and having excellent openability.SOLUTION: A packaging film has a base material layer...

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Hauptverfasser:	SAKURAI MASAYUKI, HARANO IZUMI, MATSUO YUJI, YAMAMOTO KEIICHI, HARA TSUTOMU, TAKEISHI KAZUMICHI, MORITA RYOSUKE, HAKAMATA TOMONOBU, WAKAGI HIROYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON 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 GENERAL PROCESSES OF COMPOUNDING 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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a packaging film having improved blocking resistance and oxygen barrier property, which have been defects in a film consisting of a single polyethylene layer, and a package composed of the packaging film and having excellent openability.SOLUTION: A packaging film has a base material layer including polyethylene, and a coating layer including at least one resin selected from the group consisting of polyurethane, polyvinyl alcohol and polyvinylidene chloride, provided in contact with one side of the base material layer or provided via an anchor coating layer. The coating layer is thinner than the base material layer in thickness.SELECTED DRAWING: Figure 1 【課題】ポリエチレン単層のフィルムでは不十分な、耐ブロッキング性および酸素バリア性が改善された包装用フィルム、および、そのような包装用フィルムにより構成された、開封性の優れた包装体を提供する。【解決手段】ポリエチレンを含む基材層と、ポリウレタン、ポリビニルアルコールおよびポリ塩化ビニリデンからなる群より選ばれる１種以上の樹脂を含み、かつ、基材層の片面に接して設けられているかまたはアンカーコート層を介して設けられているコーティング層と、を備え、コーティング層の厚みは基材層の厚みより小さい、包装用フィルム。【選択図】図１