A rubber composition obtained by kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component and a filler, and a method of improving the viscoelastic property of vulcanized rubber, comprising a first step of kneading at least one selected from the group consisting of (A1), (B1), (C1) and (D1), a rubber component, a filler and a sulfur component and a second step of thermally treating the kneaded material obtained in the previous step.
(A1): a compound represented by formula (I)
(B1): a salt of a compound represented by formula (I)
(C1): a solvate of a compound represented by formula (I)
(D1): a solvate of a salt of a compound represented by formula (I).
一种由至少选自(A1)、(B1)、(C1)和(D1)组成的群体中的至少一种、橡胶成分和填充剂混合而成的橡胶组合物,以及一种改善
硫化橡胶的粘弹性能的方法,包括第一步,将至少选自(A1)、(B1)、(C1)和(D1)组成的群体中的至少一种、橡胶成分、填充剂和
硫化剂混合,并进行第二步热处理,处理前一步中获得的混合材料。(A1):
化学式(I)所代表的化合物;(B1):
化学式(I)所代表的化合物的盐;(C1):
化学式(I)所代表的化合物的溶剂化物;(D1):
化学式(I)所代表的化合物的盐的溶剂化物。