The present invention provides a rubber composition for tires capable of improving discoloration resistance and tire appearance while maintaining or improving good fuel economy, good abrasion resistance, and good performance on ice, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing a Pluronic nonionic surfactant in an amount of 0.1 to 6.0 parts by mass relative to 100 parts by mass of the rubber component, the rubber composition having a combined amount of polybutadiene rubber, natural rubber, and polyisoprene rubber of 70% by mass or more based on 100% by mass of the rubber component, and the rubber composition containing sulfur.
TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE
REIFENKAUTSCHUKZUSAMMENSETZUNG UND LUFTREIFEN
COMPOSITION DE CAOUTCHOUC POUR PNEUMATIQUE, ET PNEUMATIQUE
26.09.2018
Patent
Elektronische Ressource
Englisch
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 |