STRETCHED FILM, LAMINATE AND PACKAGE

To provide a film for use as a substrate for packaging materials, exhibiting an optimal balance of rigidity, low shrinkage and transparency.SOLUTION: A stretched film comprises a polyethylene resin composition that satisfies following requirements (1)-(3): (1) a melt flow rate (190°C, 2.16 kg load)...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	SEKIYA KEIKO, OGUNI MICHIHIKO, TATSUMI SHUHEI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING 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 PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	To provide a film for use as a substrate for packaging materials, exhibiting an optimal balance of rigidity, low shrinkage and transparency.SOLUTION: A stretched film comprises a polyethylene resin composition that satisfies following requirements (1)-(3): (1) a melt flow rate (190°C, 2.16 kg load) is 0.1 g/10 min or more and 5.0 g/10 min or less; (2) density is 935 kg/m3 or more and 970 kg/m3 or less; (3) a ratio between a melt index (I21: 190°C, 21.6 kg load) and a melt index (I2: 190°C, 2.16 kg load), expressed as I21/I2, is 40 or more and 200 or less.SELECTED DRAWING: None 【課題】剛性、低収縮性および透明性のバランスに優れた包装材の基材として使用可能なフィルムを提供することを課題とする。【解決手段】本発明の延伸フィルムは、下記要件（１）～（３）を満たすポリエチレン系樹脂組成物からなる：（１）メルトフローレート（１９０℃、２．１６ｋｇ荷重）が０．１ｇ／１０ｍｉｎ以上５．０ｇ／１０ｍｉｎ以下である；（２）密度が９３５ｋｇ／ｍ3以上９７０ｋｇ／ｍ3以下である；（３）メルトインデックス（Ｉ21：１９０℃、２１．６ｋｇ荷重）とメルトインデックス（Ｉ2：１９０℃、２．１６ｋｇ荷重）の比Ｉ21／Ｉ2が４０以上２００以下である。【選択図】なし