The invention concerns a rubber composition based on an elastomer matrix containing 25 to 95 parts per hundred parts by weight of rubber, phr, of a butadiene- and styrene-based copolymer having a glass transition temperature lower than -64° C; 5 to 75 phr of polybutadiene modified with a functional group capable of interacting with silica; at least one reinforcing filler containing silica; at least one coupling agent for coupling the silica to a diene elastomer; 25 to 150 phr of at least one plasticising resin having a glass transition temperature higher than 20° C; and a crosslinking system. The invention also relates to a rubber article and to a pneumatic or non-pneumatic tyre comprising this composition.
COMPOSITION DE CAOUTCHOUC DE BANDE DE ROULEMENT DE PNEUMATIQUE
RUBBER COMPOSITION FOR A TYRE TREAD
KAUTSCHUKZUSAMMENSETZUNG FÜR EINE REIFENLAUFFLÄCHE
2023-09-13
Patent
Electronic Resource
French
IPC: | C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / 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 / 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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