TIRE RUBBER COMPOSITION

The present invention is to provide a tire rubber composition by which wet grip performance and low rolling resistance are enhanced equal to or beyond conventional levels while mechanical properties, such as tensile stress, tensile strength at break, and tensile elongation at break, are maintained o...

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Bibliographic Details
Main Authors KIMURA Kazushi, SHIMADA Genichiro, MIHARA Satoshi, KAGEYAMA Hirokazu
Format Patent
LanguageEnglish
French
German
Published 12.02.2020
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:The present invention is to provide a tire rubber composition by which wet grip performance and low rolling resistance are enhanced equal to or beyond conventional levels while mechanical properties, such as tensile stress, tensile strength at break, and tensile elongation at break, are maintained or enhanced. The tire rubber composition is formed by blending a microparticle composite, which is formed from a solid component of a mixture containing an emulsion of an organic microparticle and a rubber latex, in a sulfur vulcanizable rubber; the emulsion of the organic microparticle being an emulsion containing a microparticle obtained by polymerizing and/or crosslinking at least one selected from the group consisting of polymerizable monomers, and oligomers, prepolymers, and polymers having a reactive functional group and having a molecular weight from 500 to 50000 simultaneously or stepwise in water; and an average particle size of the microparticle being from 0.001 to 100 µm.
Bibliography:Application Number: EP20170799468