POLYPROPYLENE RESIN FOAMED SHEET AND MOLDED PRODUCT

PROBLEM TO BE SOLVED: To provide a lightweight polypropylene resin foamed sheet or polypropylene resin foamed laminated sheet which is excellent in heat resistance, oil resistance and heat insulation property and is especially excellent in impact resistance at a low temperature and smoothness, and t...

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1. Verfasser:	FUSHIMI TATSURO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON 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:	PROBLEM TO BE SOLVED: To provide a lightweight polypropylene resin foamed sheet or polypropylene resin foamed laminated sheet which is excellent in heat resistance, oil resistance and heat insulation property and is especially excellent in impact resistance at a low temperature and smoothness, and to provide a polypropylene resin expansion molded container obtained by molding the same. SOLUTION: The foamed sheet is the polypropylene resin foamed sheet comprising a resin wherein an ethylene/α-olefin having a specific melt flow rate is mixed into a polypropylene resin as a base resin. The obtained foamed sheet has density, closed cell percentage and cell number within specific ranges. The obtained polypropylene resin foamed sheet or polypropylene resin foamed laminated sheet is capable of yielding the molded product showing the above-mentioned characteristics. COPYRIGHT: (C)2006,JPO&NCIPI