RUBBER COMPOSITION INCLUDING CONJUGATED DIENE POLYMER AND OLEFIN POLYMER AND TIRE USING SAME

The present invention relates to: a rubber composition comprising a matrix of a nonpolar conjugated diene polymer in which domains formed from an olefin polymer are dispersed, the matrix and the domain having an interface therebetween in which a chemical bond exists after vulcanization, the domain h...

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Bibliographic Details
Main Author KOTANI, Kyohei
Format Patent
LanguageEnglish
French
German
Published 15.11.2017
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
DEVICES OR ARRANGEMENTS RELATED TO TYRES
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
TYRE CHANGING OR REPAIRING
TYRE INFLATION
VEHICLE TYRES
VEHICLES IN GENERAL
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Summary:The present invention relates to: a rubber composition comprising a matrix of a nonpolar conjugated diene polymer in which domains formed from an olefin polymer are dispersed, the matrix and the domain having an interface therebetween in which a chemical bond exists after vulcanization, the domain having a dynamic compressive complex elastic modulus (E c *) of 10 MPa or less; or a rubber composition comprising a matrix of a nonpolar conjugated diene polymer in which domains formed from an olefin polymer are dispersed, the matrix and the domain having an interface therebetween in which a chemical bond exists after vulcanization, with an average distance between the domains of 2 µm or less. A rubber composition for improving the ozone resistance and a tire having improved ozone resistance are provided.
Bibliography:Application Number: EP20150877102