Foamed Polyolefin Composition

A foamed polyolefin composition comprising (all percent amounts being by weight): A) 50%-90% of a polypropylene component; and B) 10%-50% of a copolymer component of ethylene and at least one C3-C10 α-olefin, the copolymer containing from 15% to 50% of ethylene, and optionally minor amounts of a die...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MEDRI ALESSANDRO, LUNGHI LUCA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BUILDING CEILINGS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS GENERAL PROCESSES OF COMPOUNDING INSULATION OR OTHER PROTECTION OF BUILDINGS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS ROOFS THEIR PREPARATION OR CHEMICAL WORKING-UP WALLS, e.g. PARTITIONS WORKING-UP
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Beschreibung
Zusammenfassung:	A foamed polyolefin composition comprising (all percent amounts being by weight): A) 50%-90% of a polypropylene component; and B) 10%-50% of a copolymer component of ethylene and at least one C3-C10 α-olefin, the copolymer containing from 15% to 50% of ethylene, and optionally minor amounts of a diene; the said amounts of (A) and (B) being referred to the total weight of (A) and (B); said composition having at least one of the following features i) and ii), or both: i) a Polydispersity Index of component (A) of 4 or more; ii) a value of viscosity [ ] of the fraction soluble in xylene at room temperature equal to or higher than 3.5 dl/g.