RUBBER COMPOSITION FOR TIRE AND METHOD FOR PRODUCING THE SAME, AND PNEUMATIC TIRE USING THE SAME

PROBLEM TO BE SOLVED: To provide a rubber composition for tires, capable of obtaining pneumatic tires with improved fuel economy performance, and to provide a method for producing the rubber composition, sufficiently reducing the unreacted percentage of a silane coupling agent without the need of an...

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Bibliographische Detailangaben
Hauptverfasser:	HIRAYAMA MICHIO, KAWASE MASATO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE 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 WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rubber composition for tires, capable of obtaining pneumatic tires with improved fuel economy performance, and to provide a method for producing the rubber composition, sufficiently reducing the unreacted percentage of a silane coupling agent without the need of any new plant and equipment investment and without causing the decline in its own productivity.SOLUTION: The rubber composition for tires is such as to include: 5-100 mass% of a terminal-modified styrene-butadiene rubber of a molecular weight distribution of 2.3 or less; and/or 10-60 pts.mass of a tin-modified polybutadiene rubber of a molecular weight distribution of 2.0 or less, in 100 pts.mass of a feedstock rubber. The method for producing this rubber composition is also provided, comprising: a kneading step of kneading such a rubber material that 100 pts.mass of the feedstock rubber and 5-150 pts.mass of silica have been compounded together, with a silane coupling agent, using a hermetic kneader; and a holding step of holding rubber mass obtained by the kneading, for a defined period of time in a high-temperature atmosphere beneath the hermetic kneader to feed the rubber mass with a quantity of heat necessary for reaction between the silica and the silane coupling agent.