Provided are a cap tread and a passenger car tire which provide improved handling stability over a wide range of temperatures. Included is a cap tread of a passenger car tire, including a rubber composition A phase and a rubber composition B phase which are independent of and share a boundary with each other, the rubber composition A phase having a silica content of 135 parts by mass or more and a carbon black content of 10 parts by mass or less, each per 100 parts by mass of the rubber components, the rubber composition B phase having a carbon black content of 20 parts by mass or more and a silica content of 10 parts by mass or less, each per 100 parts by mass of the rubber components, the rubber composition B phase having a continuous surface in the tire circumferential direction and/or the tire radial direction without being divided by the rubber composition A phase.
CAP TREAD AND PASSENGER CAR TIRE
KAPPENLAUFFLÄCHE UND PKW-REIFEN
BANDE DE ROULEMENT ET PNEU DE VÉHICULE DE TOURISME
2022-12-14
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 |
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