| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a wet master batch making filler dispersibility good in a rubber wet master batch and a rubber composition.SOLUTION: There is provided a manufacturing method of a wet master batch including a manufacturing process of dispersing a filler in water to manufacture a slurry solution, a mixing process for mixing the slurry solution and a rubber latex solution and an agitating process for agitating the slurry solution and the rubber latex solution in a liquid phase with time t (min) from contacting the filler and the rubber latex in the mixing process to initiating agitation in the agitating process and temperature T (°C) of the slurry solution added in the mixing process satisfying following formulae (1) and (2): T<-1.7 t+95 (1); 0≤t≤10 (2).SELECTED DRAWING: None |
