RUBBER COMPOSITION, AND PNEUMATIC TIRE

PROBLEM TO BE SOLVED: To provide a rubber composition for a chafer pad, improved well balancedly in breaking resistance, fatigue resistance and cut resistance while maintaining low heat buildup, and to provide a pneumatic tire.SOLUTION: The rubber composition for a chafer pad contains at least a rub...

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Bibliographische Detailangaben
1. Verfasser:	UNO HITOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rubber composition for a chafer pad, improved well balancedly in breaking resistance, fatigue resistance and cut resistance while maintaining low heat buildup, and to provide a pneumatic tire.SOLUTION: The rubber composition for a chafer pad contains at least a rubber component and an inorganic filler. The inorganic filler has an angle of repose of ≥40°, a Mohs' hardness of ≤2.0, a BET specific surface area (BET5)(m/g) of ≥10 m/g, and a ratio (DBP)/(BET5) of an absorbing amount (ml/100 g) of dibutyl phthalate (DBP) and the BET specific surface area (BET5)(m/g) of ≥2.0. The content of the inorganic filler is 3 to 30 pts.mass based on 100 pts.mass of the rubber component.