PROCESS FOR PREPARING BITUMEN COMPOSITIONS

The present invention provides a process for preparing a bitumen composition which comprises mixing at an elevated temperature an oxidised bitumen having a penetration index of at least 0 with a thermoplast ic rubber which is present in an amount of less than 5 wt.%, based on total bitumen compositi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VAN GOOSWILLIGEN, GERRIT, STEERNBERG, KOEN, BAANDERS, RUDOLF
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 present invention provides a process for preparing a bitumen composition which comprises mixing at an elevated temperature an oxidised bitumen having a penetration index of at least 0 with a thermoplast ic rubber which is present in an amount of less than 5 wt.%, based on total bitumen composition; bitumen compositions obtainable by such process; and the use of such bitumen compositions in asphalt mixtures for road applications.