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US 9,175,154 B2Granted
Tire of which the tread comprises a thermoplastic vulcanizate (TPV) elastomer
AssigneesCompagnie Generale Des Etablissements Michelin, Michelin Recherche et Technique S.A.
InventorBéatrice Lopez
Life of this patent
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Abstract
A tire, the tread of which comprises a rubber composition comprising at least a diene elastomer, such as for example, an SBR or BR elastomer, a thermoplastic elastomer vulcanizate of EPDM and polypropylene, at a content preferably of greater than 5 phr, and a reinforcing filler, such as silica and/or carbon black. Such a composition confers, on the tire, an improvement in the wet grip.
Claims7
A tire, the tread of which comprises a rubber composition comprising:
- a diene elastomer;
- a reinforcing filler;
- and
- a thermoplastic elastomer vulcanizate (TPV) of EPDM and polypropylene,
- wherein the diene elastomer is selected from the group consisting of polybutadienes (BR), butadiene/styrene copolymers (SBR), and a mixture thereof,
- wherein the reinforcing filler is selected from the group consisting of carbon black, silica, and a mixture thereof, and
- wherein the content of the TPV elastomer is between 10 and 50 phr.
4 more elements
Dependencies are inferred from the claim text.