TIRE RUBBER COMPOSITION, TREAD RUBBER, AND TIRE

The technical problem of this disclosure is to provide a tire rubber composition capable of achieving a high degree of compatibility between the wet gripping performance and the fuel efficiency of a tire. The solution is a tire rubber composition containing: a rubber component containing an isoprene...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ITO, Nahoko
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 VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The technical problem of this disclosure is to provide a tire rubber composition capable of achieving a high degree of compatibility between the wet gripping performance and the fuel efficiency of a tire. The solution is a tire rubber composition containing: a rubber component containing an isoprene skeleton rubber and a modified styrene-butadiene rubber with a bound styrene content of 30% by mass or more; a hydrogenated resin having a softening point of higher than 100° C. and a weight-average molecular weight in terms of polystyrene (g/mol) of greater than 1200 and 1600 or less; silica; and carbon black, wherein a percentage of silica in the total amount of said silica and said carbon black is 50% by mass or more and less than 100% by mass.