RUBBER COMPOSITION AND TIRE WITH TREAD CONTAINING VEGETABLE OIL EXTENDED HIGH TG STYRENE/BUTADIENE ELASTOMER AND TRACTION RESIN

A rubber composition for use in a pneumatic tire, preferably in a tread of such a tire is disclosed. The rubber composition comprises, based on parts by weight per 100 parts by weight elastomer (phr):(A) one or more conjugated diene-based elastomers comprising:(1) from 75 to 100 phr of at least one...

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Bibliographische Detailangaben
Hauptverfasser:	WESTERMANN, Stephan Franz, MEYER, Mathias, WEYDERT, Marc, DELVILLE, Jerome, MILAN, Marie-Laure Stéphanie
Format:	Patent
Sprache:	eng ; fre ; ger
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 for use in a pneumatic tire, preferably in a tread of such a tire is disclosed. The rubber composition comprises, based on parts by weight per 100 parts by weight elastomer (phr):(A) one or more conjugated diene-based elastomers comprising:(1) from 75 to 100 phr of at least one styrene/butadiene elastomer (SSBR) pre-extended with a vegetable triglyceride oil, wherein said at least one SSBR has a Tg in a range of from -20°C to +10°C and a bound styrene content in a range of from 25 to 50 percent,(2) from zero to 25 phr of at least one additional conjugated diene-based elastomer comprising at least one of polybutadiene, cis 1,4-polyisoprene rubber and a further styrene/butadiene elastomer different from said at least one SSBR;(B) from 80 to 200 phr of a reinforcing filler; and(C) from 10 to 70 phr of a resin comprising at least one of styrene/alphamethylstyrene copolymer resin, terpene-phenol resin, coumarone-indene resin, petroleum hydrocarbon resin, terpene polymer resin, rosin derived resin, rosin acid resin, and modified rosin acid resin.