申请人:THE YOKOHAMA RUBBER CO., LTD.
公开号:US20180118856A1
公开(公告)日:2018-05-03
The present invention provides a rubber composition and a tire, which provides superior wear resistance and processability while maintaining the wet performance. The present invention provides a rubber composition for a tire including a rubber component including a modified diene rubber with carboxy group modification, silica and a predetermined polysiloxane; wherein the content of the silica is from 60 to 200 parts by mass per 100 parts by mass of the rubber component, the content of the polysiloxane is from 1 to 20 mass % based on the content of the silica, and the content of the modified diene rubber is from 10 to 100 parts by mass per 100 parts by mass of the rubber component. The present invention also provides a tire using the rubber composition.
本发明提供了一种橡胶组合物和轮胎,该组合物在保持良好湿地性能的同时,提供了优异的耐磨性和加工性能。本发明提供了一种用于轮胎的橡胶组合物,包括一种带有羧基改性的改性二烯基橡胶、二氧化硅和预定聚硅氧烷的橡胶组分;其中,二氧化硅的含量为橡胶组分的100份质量中的60至200份质量,聚硅氧烷的含量为二氧化硅含量的1至20质量%,改性二烯基橡胶的含量为橡胶组分的100份质量中的10至100份质量。本发明还提供了使用该橡胶组合物的轮胎。