申请人:Sumitomo Rubber Industries, Ltd.
公开号:EP3825145A1
公开(公告)日:2021-05-26
Rubber compositions and tires having improved abrasion resistance are provided. Included is a tire rubber composition containing a rubber component, sulfur, carbon black, and a hydrazide compound, the hydrazide compound being a benzohydrazide compound having two or more hydroxy groups, the rubber composition having a ratio of the amount of the sulfur to the amount of the hydrazide compound of less than 1.5.
本发明提供了具有更好耐磨性的橡胶组合物和轮胎。轮胎橡胶组合物中含有橡胶成分、硫磺、炭黑和酰肼化合物,酰肼化合物是一种具有两个或两个以上羟基的苯并酰肼化合物,橡胶组合物中硫磺的含量与酰肼化合物的含量之比低于 1.5。