RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE

PROBLEM TO BE SOLVED: To provide a rubber composition for a tire and a pneumatic tire, capable of enhancing an elastic modulus, fatigue resistance and a failure resistant characteristic, with satisfactory balance, without worsening rubber physical properties of vulcanized rubber, and capable of redu...

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Bibliographische Detailangaben
1. Verfasser:	UNO HITOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS THEREOF DEVICES OR ARRANGEMENTS RELATED TO TYRES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS 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
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rubber composition for a tire and a pneumatic tire, capable of enhancing an elastic modulus, fatigue resistance and a failure resistant characteristic, with satisfactory balance, without worsening rubber physical properties of vulcanized rubber, and capable of reducing rolling resistance by enhancing a low heating property.SOLUTION: The rubber composition for the tire contains at least a rubber component, and an inorganic filler. In the inorganic filler, a repose angle is 40° or more, a Mohs' hardness is 2.0 or less, a BET specific surface area (BET 5)(m/g) is 10 m/g or more, a ratio (DBP)/(BET 5) of a dibutyl phthalate (DBP) absorption amount (ml/100g) to the BET specific surface area (BET 5)(m/g) is 2.0 or more, and a content of the inorganic filler is 0.5-50 pts.mass with respect to 100 pts.mass of the rubber component.