Diene rubber composition and method for producing same

The present invention addresses the problem of providing: a conjugated diene rubber composition having excellent resilience and wear resistance, good processability during rubber kneading, and excellent wet grip performance; and a method for producing the conjugated diene rubber composition. A mixture of a diene rubber component (1) in which a conjugated diene polymer (1) is terminal-modified with at least one silicon compound represented by formula (1) and/or formula (2) and a diene rubber component (2) in which a conjugated diene polymer (2) is terminal-modified with at least one silicon compound represented by formula (1) and/or formula (2) is supplied to a hydrolysis step and then dried. Thus, the diene rubber composition is obtained. 本发明的课题在于，提供一种回弹性和耐磨性优异，橡胶混炼时的加工性良好，湿抓地性能也优异的共轭二烯类橡胶组合物及其制造方法。将共轭二烯聚合物1经由式(1)和/或式(2)表示的至少一种硅化合物进行末端改性而成的二烯类橡胶成分1与共轭二烯聚合物2经由式(1)和/或式(2)表示的至少一种硅化合物进行末端改性而成的二烯类橡胶成分2的混合物提供给水解工序，接着进行干燥，从而得到二烯类橡胶组合物。