RUBBER COMPOSITION AND PNEUMATIC TIRE

PROBLEM TO BE SOLVED: To provide a rubber composition excellent in low-exothermic property and also in wet gripping property, and to provide a pneumatic tire using the rubber composition in a tread. SOLUTION: The rubber composition includes 100 pts.mass of a rubber component, 1-8 pts.mass of a mixtu...

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Bibliographische Detailangaben
1. Verfasser:	KAMISAKA KENICHI
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 excellent in low-exothermic property and also in wet gripping property, and to provide a pneumatic tire using the rubber composition in a tread. SOLUTION: The rubber composition includes 100 pts.mass of a rubber component, 1-8 pts.mass of a mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid, and 10-150 pts.mass of silica, wherein the rubber component contains a styrene-butadiene rubber modified by a compound represented by formula (1), wherein R1, R2, and R3are the same or different and independently represent alkyl, alkoxy, silyloxy, acetal, carboxyl, mercapto, or a derivative thereof; R4and R5are the same or different and independently represent H or alkyl; and n represents an integer. COPYRIGHT: (C)2010,JPO&INPIT