FOAMED POLYPROPYLENE SHEET

Foamed polypropylene sheet, which sheet is composed of a blend of polypropylene and a vegetable filler, to be added with a gas or any other foaming agent. The blend contains 49 to 71% by weight polypropylene and 29 to 51% by weight vegetable filler, foaming being so performed that the sheet has a de...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MARCARINO, SANDRO, FOGLIATI, MASSIMILIANO, ODINO, ADRIANO, VAN DER STEEN, STEPHAN, GIOVANNINI, RAFFAELLA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	Foamed polypropylene sheet, which sheet is composed of a blend of polypropylene and a vegetable filler, to be added with a gas or any other foaming agent. The blend contains 49 to 71% by weight polypropylene and 29 to 51% by weight vegetable filler, foaming being so performed that the sheet has a density below 1, and preferably about 0,9 or less. La présente invention concerne un feuillet de polypropylène expansé, le feuillet étant composé d'un mélange de polypropylène et d'une charge végétale, auxquels doit être ajouté un gaz ou un quelconque autre agent moussant. Le mélange contient de 49 à 71 % en poids de polypropylène et de 29 à 51 % en poids de charge végétale, le moussage étant effectué de sorte que le feuillet ait une densité inférieure à 1, et de préférence d'environ 0,9 ou moins.