BIAXIALLY ORIENTED POLYPROPYLENE FILM, PACKAGE FOR FOOD, AND FOOD PACKAGE

To provide a biaxially oriented polypropylene film with improved thermal dimensional stability.SOLUTION: A biaxially oriented polypropylene film 100 comprises a biaxially oriented film layer 101 comprising homo polypropylene (A) and at least one polymer (B) that is selected from the group consisting...

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Bibliographische Detailangaben
Hauptverfasser:	MASAMOTO TAKUMI, WAKAGI HIROYUKI, TAMURA TAKUYA
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 COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 biaxially oriented polypropylene film with improved thermal dimensional stability.SOLUTION: A biaxially oriented polypropylene film 100 comprises a biaxially oriented film layer 101 comprising homo polypropylene (A) and at least one polymer (B) that is selected from the group consisting of random polypropylene (B1) and α-olefin copolymer (B2). As measured at 230°C and a 2.16 kg load in accordance with ASTM D1238, the polymer (B) has an MFR of 0.01 g/10 min or more and 30 g/10 min or less.SELECTED DRAWING: Figure 1 【課題】熱寸法安定性が向上した二軸延伸ポリプロピレンフィルムを提供する。【解決手段】ホモポリプロピレン（Ａ）と、ランダムポリプロピレン（Ｂ１）およびα-オレフィン共重合体（Ｂ２）からなる群から選択される少なくとも一種の重合体（Ｂ）と、を含む二軸延伸フィルム層１０１を備え、ＡＳＴＭＤ１２３８に準拠し、２３０℃、２．１６ｋｇ荷重の条件で測定される、前記重合体（Ｂ）のＭＦＲが０．０１ｇ／１０分以上３０ｇ／１０分以下である、二軸延伸ポリプロピレンフィルム１００。【選択図】図１