The present invention provides a rubber composition for tires capable of improving handling stability, fuel economy, wet grip performance, elongation at break, and abrasion resistance together while maintaining the balance between them. The present invention also provides a pneumatic tire including the rubber composition. The present invention relates to a rubber composition for tires containing a diene rubber, silica having a BET specific surface area of 170 to 270 m 2 /g, sulfur, and a liquid resin having a softening point of -20 to 45°C, wherein the amount of the liquid resin is 0.5 to 20 parts by mass, and the amount of the silica is 40 to 120 parts by mass, each per 100 parts by mass of the rubber component of the rubber composition.
RUBBER COMPOSITION FOR TIRES AND PNEUMATIC TIRE
KAUTSCHUKZUSAMMENSETZUNG FÜR REIFEN UND LUFTREIFEN
COMPOSITION DE CAOUTCHOUC POUR PNEUS ET PNEU
2020-05-20
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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