Tire combining low elastic modulus at low temperatures with high hysteresis loss at low temperatures having excellent on-ice brake performance, and vulcanized rubber and a rubber composition from which the tire is obtained. A rubber composition comprising rubber component comprising a natural rubber, a polybutadiene rubber, and a styrene-butadiene copolymer rubber, and 50 to 90 parts by mass of a filler comprising silica relative to 100 parts by mass of the rubber component, wherein the mass n of the natural rubber in the rubber component is 40% by mass or more, the mass n, the mass b of the polybutadiene rubber, and the mass s of the styrene-butadiene copolymer rubber satisfy the relation: s≤b≤n, provided that when n=b, s
RUBBER COMPOSITION, VULCANIZED RUBBER, AND TIRE
2019-06-20
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08J Verarbeitung , WORKING-UP / 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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