Provided is a rubber composition for tire capable of highly balancing wet grip performance with fuel efficiency and wear resistance in a tire. The present disclosure provides a rubber composition containing a rubber component and a filler containing at least silica, where the rubber component contains a styrene-butadiene rubber (A) having a glass transition temperature of -50 °C or lower, which is obtained by modifying a compound represented by the formula (1) with a modifying agent, and an unmodified styrene-butadiene rubber (B) whose glass transition temperature is 30 °C or more higher than that of the styrene-butadiene rubber (A).
TIRE RUBBER COMPOSITION, TREAD RUBBER, AND TIRE
REIFENKAUTSCHUKZUSAMMENSETZUNG, LAUFFLÄCHENKAUTSCHUK UND REIFEN
COMPOSITION DE CAOUTCHOUC POUR PNEU, CAOUTCHOUC DE BANDE DE ROULEMENT ET PNEU
2024-04-10
Patent
Elektronische Ressource
Englisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
Europäisches Patentamt | 2021
|Europäisches Patentamt | 2021
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