As a rubber composition excellent in fatigue resistance and a method for producing the same, this disclosure provides a rubber composition containing a zinc oxide, wherein: a total volume of aggregates of the zinc oxide with a diameter of 20 µm or more is 0.008 or less in the rubber composition by volume fraction; and a method for producing the rubber composition, comprising: preparing a wet masterbatch by using a carbon black with a surface average acidic functional group amount (µeq/m 2 ) of 0.15 or more and less than 3.00, preferably 0.40 or more and less than 1.50; and compounding a zinc oxide with the wet masterbatch.
RUBBER COMPOSITION AND METHOD FOR MANUFACTURING SAME, CROSSLINKED RUBBER COMPOSITION, AND TIRE
KAUTSCHUKZUSAMMENSETZUNG UND VERFAHREN ZUR HERSTELLUNG DAVON, VERNETZTE KAUTSCHUKZUSAMMENSETZUNG UND REIFEN
COMPOSITION DE CAOUTCHOUC ET SON PROCÉDÉ DE FABRICATION, COMPOSITION DE CAOUTCHOUC RÉTICULÉE, ET PNEU
2018-02-21
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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