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|1. (WO2018181224) RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME|
|Applicants:||NIPPON PAPER INDUSTRIES CO., LTD.
|Title:||RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME|
The purpose of the present invention is to provide: a rubber composition which contains a rubber component and cellulose fibers, and which is able to have a good strength under a high strain; and a method for producing this rubber composition. Specifically, the present invention provides a rubber composition which contains modified cellulose nanofibers (component (A)), a rubber component (component (B)) and a surfactant (component (C)); a method for producing a rubber composition, which comprises a step [I] for obtaining a mixture by mixing the component (A) and the component (B), namely the rubber component, and a step [II] for obtaining a rubber composition by adding the component (C) to the thus-obtained mixture and kneading the resulting mixture; and a method for producing a rubber composition, which comprises a step [i] for obtaining a mixture by mixing the components (A), (B) and (C), and a step [ii] for obtaining a rubber composition by kneading the thus-obtained mixture.