Rubber composition including a specific hydrocarbon resin

A rubber composition is based on at least one elastomer, a reinforcing filler, a crosslinking system and an optionally hydrogenated hydrocarbon-based resin, predominantly composed of units selected from the group consisting of cyclopentadiene, dicyclopentadiene, methylcyclopentadiene and mixtures th...

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Bibliographische Detailangaben
Hauptverfasser:	De Gaudemaris, Benoit, Hut, Alain
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A rubber composition is based on at least one elastomer, a reinforcing filler, a crosslinking system and an optionally hydrogenated hydrocarbon-based resin, predominantly composed of units selected from the group consisting of cyclopentadiene, dicyclopentadiene, methylcyclopentadiene and mixtures thereof, said hydrocarbonbased resin having an average molecular weight Mz of less than 2000 g/mol and a glass transition temperature Tg, expressed in ° C., such that: Tg≥80−2*(% HA), wherein % HA represents the content of aromatic protons of said resin, the content of said hydrocarbon-based resin being within a range extending from 15 to 150 phr.