HMS PP FOAM SHEET WITH GOOD COMPRESSIVE STRENGTH AND RECOVERABILITY

The present invention relates to a foamed sheet consisting of a polypropylene composition comprising at least 85 wt. %, e.g. from 85 to 99.5 wt.-%, of a high melt strength polypropylene (HMS-PP) and 0.5 to 15 wt. % of a nucleating agent (NA), wherein the foamed sheet has a thickness of below 0.5 mm...

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Bibliographische Detailangaben
Hauptverfasser:	Tynys, Antti, Lin, Yi An, Reichelt, Norbert
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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a foamed sheet consisting of a polypropylene composition comprising at least 85 wt. %, e.g. from 85 to 99.5 wt.-%, of a high melt strength polypropylene (HMS-PP) and 0.5 to 15 wt. % of a nucleating agent (NA), wherein the foamed sheet has a thickness of below 0.5 mm or a thickness of 2.0 mm or more. The present invention further relates to a foamed material consisting of a polypropylene composition as well as the use of a polypropylene composition comprising at least 85 wt. %, e.g. from 85 to 99.5 wt.-%, of a high melt strength polypropylene (HMS-PP) and 0.5 to 15 wt. % of a nucleating agent (NA) for producing foamed material.