A method for producing a rubber wet master batch is disclosed including: producing a carbon black-containing rubber latex solution by mixing carbon black, a dispersion solvent and a rubber latex solution; producing a carbon black-containing rubber coagulum by coagulating the thus-obtained carbon black-containing rubber latex solution; and producing a rubber wet master batch by dehydrating and drying the thus-obtained carbon black-containing rubber coagulum. With respect to this method for producing a rubber wet master batch, the carbon black satisfies conditions such that: the DBP oil absorption is 105-230 mL/100 g; STSA is 90-205 m2/g; and the value obtained by subtracting the value of STSA from the value of DBP oil absorption is 15 or more. This method for producing a rubber wet master batch enables the achievement of a vulcanized rubber that has wear resistance and low heat generation properties.
Method for producing rubber wet masterbatch and method for producing rubber composition
2022-10-04
Patent
Electronic Resource
English
IPC: | C08J Verarbeitung , WORKING-UP / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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