MANUFACTURING METHOD FOR MANUFACTURING RUBBER COMPOSITION FOR TIRE AND TIRE MANUFACTURING METHOD

Provided are a method for manufacturing a rubber composition for a tire and a tire manufacturing method that allow good processability to be obtained also when a silane coupling agent having a mercapto group is blended. A method, for manufacturing a rubber composition, for a tire, which contains a r...

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Bibliographische Detailangaben
Hauptverfasser:	NAGASE, Takayuki, IKEDA, Keiji, TANAKA, Tatsuhiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES GENERAL PROCESSES OF COMPOUNDING 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 VEHICLE TYRES VEHICLES IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	Provided are a method for manufacturing a rubber composition for a tire and a tire manufacturing method that allow good processability to be obtained also when a silane coupling agent having a mercapto group is blended. A method, for manufacturing a rubber composition, for a tire, which contains a rubber component (A) having at least two kinds of rubber components, a compound (B) represented by Formula (1), and a silane coupling agent (C) having a mercapto group, includes: a step X1 of kneading a first rubber component of the rubber component (A) and the compound (B); a step X2 of kneading the silane coupling agent (C) with a kneaded product obtained in the step X1; and a step X3 of kneading a second rubber component of the rubber component (A) with a kneaded product obtained in the step X2. In the method, the first rubber component has a lower activating ability with respect to a mercapto group than the second rubber component. The tire manufacturing method includes the method for manufacturing the rubber composition. (In the Formula, R 1 to R 4 each independently represent a predetermined group.)