Provided is a rubber composition for tire that can prevent discoloration of tire appearance while improving the wet grip performance and reducing the rolling resistance of a tire. The rubber composition for tire contains a rubber component, a filler, a silane coupling agent, and a fatty acid metal salt, where the rubber component contains isoprene skeleton rubber and styrene-butadiene rubber, the filler contains at least silica, the silane coupling agent has a thiol group, the content of the silane coupling agent is 1 part by mass or more and 10.5 parts by mass or less with respect to 100 parts by mass of the silica, and the content of the fatty acid metal salt is 0.1 parts by mass or more and 3.5 parts by mass or less with respect to 100 parts by mass of the rubber component.
RUBBER COMPOSITION FOR TIRES, TREAD RUBBER, AND TIRE
KAUTSCHUKZUSAMMENSETZUNG FÜR REIFEN, LAUFFLÄCHENKAUTSCHUK UND REIFEN
COMPOSITION DE CAOUTCHOUC POUR PNEUS, GOMME DE BANDE DE ROULEMENT ET PNEU
2025-03-19
Patent
Electronic Resource
English
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
RUBBER COMPOSITION FOR TIRES, TREAD RUBBER FOR TIRES, AND TIRE
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