PROCESSO PARA A PREPARACAO DE COMPOSICOES DE BETUME

PROCESSO PARA A PREPARACAO DE COMPOSICOES DE BETUME

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 thermoplastic rubber which is present in an amount of less than 5% wt., based on total bitumen compositio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOEN STEERNBERG, RUDOLF BAANDERS, GERRIT VAN GOOSWILLIGEN
Format: Patent
Sprache:por
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 thermoplastic 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.