A vulcanizable rubber composition for use in a tire tread is disclosed. The rubber composition comprises 50 to 70 parts by weight per hundred parts rubber (phr) of polybutadiene rubber; 30 to 50 phr of a solution-polymerized styrene butadiene rubber with a styrene content of from 5 to 15 wt. % and a Tg in a range of from -70°C to -50°C; at least 90 phr of silica, alternatively at least 100 phr of silica or from 90 to 160 phr of silica; at least 6 parts by weight per hundred parts of the silica of an organosilane coupling agent; at least 2 phr of processing oil; at least 40 phr of resin, the resin comprising a hydrocarbon traction resin and a tackifier resin; and a cure package including a sulfur-based curing agent, zinc oxide, optionally a fatty acid, and a cure accelerator.
RUBBER COMPOSITION AND ALL-SEASON TIRE TREAD
KAUTSCHUKZUSAMMENSETZUNG UND ALLWETTERREIFENLAUFFLÄCHE
COMPOSITION DE CAOUTCHOUC ET BANDE DE ROULEMENT DE PNEU TOUTES SAISONS
02.04.2025
Patent
Elektronische Ressource
Englisch
IPC: | 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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