LAMINATED RESIN UNIAXIALLY STRETCHED FILM

PROBLEM TO BE SOLVED: To provide a laminated resin uniaxially stretched film which has a polyethylene resin layer and shows excellent tear strength in a longitudinal direction (MD), and a packaging material made of this film. SOLUTION: This laminated resin uniaxially stretched film has a resin layer...

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Bibliographische Detailangaben
Hauptverfasser:	TAZAKI TSUTOMU, INOUE HIROSHI
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a laminated resin uniaxially stretched film which has a polyethylene resin layer and shows excellent tear strength in a longitudinal direction (MD), and a packaging material made of this film. SOLUTION: This laminated resin uniaxially stretched film has a resin layer (α) composed of (i) 10 to 85 pts.wt ethylene/α-olefin copolymer with 0.01 to 10 g/10 min melt flow rate and 880 to 925 Kg/m3density, obtained using a metallocene catalyst, (ii) 10 to 85 pts.wt ethylene/α-olefin copolymer with 1 to 100 g/10 min melt flow rate and 926 to 960 Kg/m3density and 5 to 40 pts.wt at least one kind selected from (iii) and (iv). (iii) is a high density polyethylene with 0.01 to 20 g/10 min melt flow rate and 940 to 970 Kg/m3density and (iv) is a high-pressure-processed low density polyethylene with 910 to 930 Kg/m3density. COPYRIGHT: (C)2006,JPO&NCIPI