Tire sidewall
AssigneesCompagnie Generale Des Etablissements Michelin, Michelin Recherche et Technique S.A.
InventorsCécile BELIN, Olivier GONCALVES
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Abstract
A tire sidewall, having a rubber composition based on at least a blend of polyisoprene, natural rubber or synthetic polyisoprene, and polybutadiene BR, a reinforcing filler comprising carbon black and silica, and a crosslinking system is provided. The reinforcing filler predominantly comprises silica, that the content of silica ranges from 20 to 40 parts per hundred parts of elastomer, phr, and the content of carbon black is less than or equal to 5 phr and that the total content of reinforcing filler is less than or equal to 45 phr.
Claims10
A tire sidewall, having a rubber composition based on at least a blend of polyisoprene, natural rubber or synthetic polyisoprene, and polybutadiene BR, a reinforcing filler comprising carbon black and silica, and a crosslinking system, wherein the reinforcing filler predominantly comprises silica, the content of silica ranges from 20 to 40 parts per hundred parts of elastomer, phr, and the content of carbon black is less than or equal to 5 phr, and the total content of reinforcing filler is less than or equal to 45 phr.
Dependencies are inferred from the claim text.