HETEROPHASIC POLYPROPYLENE WITH EXCELLENT CREEP PERFORMANCE

Heterophasic propylene copolymer comprising (a) a matrix (M) being a polypropylene (PP), said polypropylene (PP) has a polydispersity index (PI) of at least 5.0, and (b) an elastomeric propylene copolymer (EC) dispersed in said matrix (M), wherein (i) said heterophasic propylene copolymer has a melt...

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Bibliographische Detailangaben
Hauptverfasser:	MALM, Bo, TRANNINGER, Cornelia, BERGSTRA, Michiel, LESKINEN, Pauli
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Heterophasic propylene copolymer comprising (a) a matrix (M) being a polypropylene (PP), said polypropylene (PP) has a polydispersity index (PI) of at least 5.0, and (b) an elastomeric propylene copolymer (EC) dispersed in said matrix (M), wherein (i) said heterophasic propylene copolymer has a melt flow rate MFR 2 (230 °C) of equal or below 1.0 g/10min, (ii) the amorphous phase (AM) of the xylene cold soluble fraction (XCS) of the heterophasic propylene copolymer has an intrinsic viscosity (IV) of at least 3.5 dl/g.