OIL EXTENDED ETHYLENE-ALPHA-OLEFIN-NON-CONJUGATED DIENE COPOLYMER

The invention relates to an oil extended ethylene-a-olefin-non-conjugated-diene copolymer composition consisting of i) 100 parts of at least one ethylene-a-olefin-non-conjugated-diene copolymer having - a weight average molecular weight (Mw) of at least 300,000 g/mol. - an intrinsic viscosity higher...

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Bibliographische Detailangaben
Hauptverfasser:	BEELEN, HENRI JACOB HUBERT, FRENZEL, ULRICH, GOGELEIN, CHRISTOPH, WRANA, CLAUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to an oil extended ethylene-a-olefin-non-conjugated-diene copolymer composition consisting of i) 100 parts of at least one ethylene-a-olefin-non-conjugated-diene copolymer having - a weight average molecular weight (Mw) of at least 300,000 g/mol. - an intrinsic viscosity higher than 4, preferably higher than 4.2 measured in Xylene at 70 °C and - a polydispersity (Mw/Mn) smaller than 3, preferably smaller than 2.8, in particular smaller than 2.6; ii) 30 to 70 parts by weight per 100 parts by weight of the ethylene-a-olefin-non- conjugated-diene copolymer (i) of an extender oil and iii) up to 5 parts by weight per 100 parts by weight of the ethylene-a-olefin-non- conjugated-diene copolymer (i) of auxiliary agents, whereby the oil extended copolymer composition has a phase angle Omin of lower than 2.5.