Soft and flexible polyolefin compositions

Soft and flexible polyolefin compositions

A polyolefin composition having unusually low values of flexural modulus and shore hardness and comprising, in percent by weight: A) 15-40% of a copolymer of propylene with hexene-1 containing from 2.5 to 10% of hexene-1 and having Melt Flow Rate (MFR, measured according to ISO 1133, 230° C./2.16 Kg...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: GOBERTI PAOLO, PELLEGATTI GIAMPAOLO
Format: Patent
Sprache:eng
Schlagworte:
BUILDING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
FIXED CONSTRUCTIONS
GUTTERS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
ROOF COVERINGS
ROOF-WORKING TOOLS
SKY-LIGHTS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:A polyolefin composition having unusually low values of flexural modulus and shore hardness and comprising, in percent by weight: A) 15-40% of a copolymer of propylene with hexene-1 containing from 2.5 to 10% of hexene-1 and having Melt Flow Rate (MFR, measured according to ISO 1133, 230° C./2.16 Kg) from 0.5 to 100 g/10 min.; and B) 60-85% of an ethylene copolymer containing ethylene in a quantity equal to or lower than 40%, and having solubility in xylene at room temperature greater than 70%.