POLYPROPYLENE MULTILAYER BLOW-MOLDED BOTTLE EXCELLENT IN SHELF LIFE OF CONTENT, AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide a polypropylene multilayer blow-molded bottle which improves transparency, moisture-proof properties, drop impact resistance, etc., and which has the excellent shelf life of contents and good moldability, and an efficient manufacturing method therefor. SOLUTION: In t...

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Bibliographische Detailangaben
Hauptverfasser:	IMOTA DAISUKE, SAKANO KOZABURO, TAIRA KAZUO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING 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 polypropylene multilayer blow-molded bottle which improves transparency, moisture-proof properties, drop impact resistance, etc., and which has the excellent shelf life of contents and good moldability, and an efficient manufacturing method therefor. SOLUTION: In this polypropylene multilayer blow-molded bottle comprising an oxygen barrier resin layer and at least one polypropylene resin layer, the polypropylene resin layer is composed of a resin composition containing a polypropylene resin and a hydrogenerated petroleum resin with a molecular weight of 500-1300. COPYRIGHT: (C)2004,JPO&NCIPI