RUBBER COMPOSITION, AND TIRE USING IT

PROBLEM TO BE SOLVED: To provide such a rubber composition for use in the reinforcing layer member of a run-flat tire as has, together on a high level, the high hardness, low heat build-up and high resistance to fatigue property and to provide a run-flat tire in which the above rubber composition is...

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Bibliographic Details
Main Author FUKUTOMI TAKAYUKI
Format Patent
LanguageEnglish
Published 18.05.2006
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:PROBLEM TO BE SOLVED: To provide such a rubber composition for use in the reinforcing layer member of a run-flat tire as has, together on a high level, the high hardness, low heat build-up and high resistance to fatigue property and to provide a run-flat tire in which the above rubber composition is used in the reinforcing layer member. SOLUTION: The rubber composition for use in the reinforcing layer member of a run-flat tire comprises a blend of 100 parts by weight of a rubber component consisting of 50-80 parts by weight of a butadiene rubber (BR) and at least one kind of a diene-based rubber except the above butadiene rubber (BR), 5-10 parts by weight of silica as a part of the reinforcing agent, 1-5 parts by wight of a phenol-based antiaging agent as an antiaging agent, 2-15 parts by weight of pentamethoxymethylmelamine as a resorcin-formalin (RF) resin, and 1-10 parts by weight of m-cresol resin. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040317994