SCHLAGFESTES ETHYLEN/PROPYLEN-BLOCKMISCHPOLYMER UND VERFAHREN ZUR HERSTELLUNG DIESES BLOCKMISCHPOLYMERS

Present invention pertains to a novel impact-resistant ethylene-propylene block copolymer that at least consists of an at least almost completely homopolymeric propylene part and a copolymeric ethylene-propylene part, the weight ratio between the at least almost completely homopolymeric propylene pa...

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Bibliographische Detailangaben
Hauptverfasser:	REPIN, JOHANNES FREDERICUS, KISTERS, MATHIJS JOSEPH M.G
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Present invention pertains to a novel impact-resistant ethylene-propylene block copolymer that at least consists of an at least almost completely homopolymeric propylene part and a copolymeric ethylene-propylene part, the weight ratio between the at least almost completely homopolymeric propylene part and the copolymeric ethylene-propylene part being between 3 : 2 and 4 : 1, that contains a total amount of 14-20 % (wt) ethylene groups, that has an Izod value measured according to ISO-R-180 at 296 K of at least 30 kJ/m , that has an E-modulus measured according to ASTM-D-790 at 296 K of at least 900 N/mm and that has a melt index measured according to ASTM-D-1238 at 503 K and 21.6 N of 4-20 dg/min and to a process for preparing such an impact-resistant ethylene-propylene block polymer.