RUBBER COMPOSITION FOR TIRE, AND TIRE

There is provided a rubber composition for a tire excellent in the low heat generating property and abrasion resistance. To achieve the above object, the rubber composition for a tire according to the present disclosure is a rubber composition comprising a rubber component containing a diene rubber,...

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Bibliographic Details
Main Authors SAIKI Aya, HAMATANI Satoshi
Format Patent
LanguageEnglish
French
German
Published 25.11.2020
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
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
VEHICLE TYRES
VEHICLES IN GENERAL
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Summary:There is provided a rubber composition for a tire excellent in the low heat generating property and abrasion resistance. To achieve the above object, the rubber composition for a tire according to the present disclosure is a rubber composition comprising a rubber component containing a diene rubber, a carbon black, and a silica, and further comprising a carbon black dispersant composed of a compound represented by the formula (I) or the like, and a compound having a Hansen solubility parameter (HSP) of 27 or more:wherein A is an aryl group, and the aryl group has at least two polar group, the polar groups may be the same or different; and R1and R2are each independently at least one substituent selected from the group consisting of a hydrogen atom, an acyl group, an amide group, an alkyl group, a cycloalkyl group and an aryl group, and the substituent may contain one or more of oxygen, sulfur and nitrogen atoms.
Bibliography:Application Number: EP20180801509