A rubber composition is based on at least one non-functionalized first diene elastomer E1 having a glass transition temperature TgE1, one functionalized second diene elastomer E2 having a glass transition temperature TgE2, a reinforcing filler capable of interacting with the functionalized diene elastomer E2 and a crosslinking system, in which: the glass transition temperature TgE1 is above or equal to -50° C., the glass transition temperature TgE2 satisfies the mathematical relationship TgE2 ≤ TgE1-23° C., and the content of the non-functionalized diene elastomer E1 is greater than or equal to 50 phr. A tread and/or a pneumatic or non-pneumatic tire may comprise at least one composition as defined above.
COMPOSITION DE CAOUTCHOUC
RUBBER COMPOSITION
KAUTSCHUKZUSAMMENSETZUNG
2023-04-12
Patent
Elektronische Ressource
Französisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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