申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:US20150251992A1
公开(公告)日:2015-09-10
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)
通过将至少从(A1)、(B1)、(C1)和(D1)组成的群体中选择的至少一种、橡胶成分和填料混炼而得到的橡胶组合物,以及一种改善硫化橡胶的粘弹性能的方法,包括第一步骤:混炼至少从(A1)、(B1)、(C1)和(D1)组成的群体中选择的至少一种、橡胶成分、填料和硫化物成分,以及第二步骤:对在前一步骤中获得的混炼材料进行热处理。(A1):由式(I)表示的化合物(B1):由式(I)表示的化合物的盐(C1):由式(I)表示的化合物的溶剂(D1):由式(I)表示的化合物的盐的溶剂