The present invention relates to a tread of a tyre having a tread pattern with a longtotal index (As) equal to or less than 17; said tread being characterized in that it is made up of a rubber composition comprising: (a) a crosslinkable unsaturated chain polymer base comprising from 10 to 50 phr of a modified styrene-butadiene copolymer rubber having a glass-transition temperature (Tg), measured by differential scanning calorimetry, of -50 ° C or less; (b) a filler comprising 40 to 100 phr of silica; (c) a plasticizer system comprising a hydrocarbon resin and from 8 to 25 phr of octyloleate; and (d) a vulcanization system; said hydrocarbon resin having a softening point of 110 °C or higher, and an average molecular weight comprised between 700 and 1500 g/mol.
TYRE TREAD
REIFENLAUFFLÄCHE
BANDE DE ROULEMENT DE PNEUMATIQUE
2023-10-11
Patent
Elektronische Ressource
Englisch