| 摘要 |
PROBLEM TO BE SOLVED: To provide a process for producing a silica-filled rubber comprising a rubber, such as an SBR, containing a highly dispersed silica with good productivity without the necessity for an operation such as a special mechanical kneading. SOLUTION: A mixture of a rubber latex and silica is mixed with a cationic compound to solidify them together. It is desirable that the silica used comprises a wet-type silica in the form of an aqueous suspension and that the wet-type silica is obtained in the form of a slurry or a wet cake without drying, which is used to prepare an aqueous dispersion. |
