The present invention provides a rubber composition for studless winter tires that provides a balanced improvement of performance on ice and wet grip performance, regardless of temperature, and a studless winter tire including the rubber composition. The present invention relates to a tread rubber composition for studless winter tires, containing: a rubber component including an isoprene-based rubber and a polybutadiene rubber; a water-soluble fine particle; a resin; and a liquid plasticizer, the resin being present in an amount of 5 parts by mass or more, the liquid plasticizer being present in an amount of more than 30 parts by mass, each per 100 parts by mass of the rubber component.
TREAD RUBBER COMPOSITION FOR STUDLESS WINTER TIRES
LAUFFLÄCHENKAUTSCHUKZUSAMMENSETZUNG FÜR SPIKELOSE WINTERREIFEN
COMPOSITION DE CAOUTCHOUC POUR BANDE DE ROULEMENT POUR PNEUS D'HIVER NON CLOUTÉS
12.05.2021
Patent
Elektronische Ressource
Englisch
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 |