LAMINATED FILM

PROBLEM TO BE SOLVED: To provide a film having excellent gas barrier properties by preventing occurrence of pinhole due to wear or piercing in the step of packaging foods or chemicals or transporting distributing step. SOLUTION: This laminated film is obtained by superposing surfaces of vinylidene c...

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Bibliographische Detailangaben
1. Verfasser:	IMAMURA MITSUNOBU
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 HANDLING THIN OR FILAMENTARY MATERIAL INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a film having excellent gas barrier properties by preventing occurrence of pinhole due to wear or piercing in the step of packaging foods or chemicals or transporting distributing step. SOLUTION: This laminated film is obtained by superposing surfaces of vinylidene chloride copolymer layers of two biaxially oriented plastic films each having the vinylidene chloride copolymer layer on at least one side surface, and thermally press bonding them so that adhesive strengths of the two plastic films become 10 to 50 gf/15 mm. As the copolymer, vinylidene chloride, acrylic acid, acrylic acid ester, methacrylic acid, methacrylic acid ester copolymer is used, and 90 mol.% or more of the vinylidene chloride is preferably copolymerized. The biaxially oriented plastic film is plastic film normally used as packaging material. For example, a polyester film, polyamide film, or ethylene-vinyl acetate copolymer film is used.