The invention relates to a pneumatic tyre for a vehicle carrying heavy loads, said tyre having a tread comprising a rubber composition on the basis of at least: - an elastomer matrix comprising a styrene-butadiene copolymer in emulsion as the major constituent, said copolymer containing more than or equal to 50% by weight butadiene units in relation to the total weight of the copolymer, preferably from 55 to 80% by weight in relation to the total weight of the copolymer; - a reinforcing filler comprising silica as the major constituent, - a chemical crosslinking system, - a crosslinking agent for crosslinking the silica with the elastomer matrix, and - a plasticizer system comprising 2 to 15 phr, preferably 2 to 10 phr, of at least one plasticizing resin with a glass transition temperature Tg greater than or equal to 20°C, the total concentration of the plasticizer system in the composition being from 2 to 17 phr, preferably from 2 to 12 phr.
PNEUMATIQUE POUR VEHICULE PORTANT DES LOURDES CHARGES COMPRENANT UNE NOUVELLE BANDE DE ROULEMENT
PNEUMATIC TYRE FOR A VEHICLE CARRYING HEAVY LOADS, COMPRISING A NEW TREAD
LUFTREIFEN MIT NEUER LAUFFLÄCHE FÜR EIN SCHWERLASTFAHRZEUG
19.05.2021
Patent
Elektronische Ressource
Französisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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