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PNEUMATIC TIRE 发明申请

2023-02-20 3420 820K 0

专利信息

申请日期 2025-07-01 申请号 WOJP14077883
公开(公告)号 WO2015076049A1 公开(公告)日 2015-05-28
公开国别 WO 申请人省市代码 全国
申请人 SUMITOMO RUBBER INDUSTRIES LTD
简介 Provided is a pneumatic tire which comprises a tread produced using a specific rubber composition and has greatly improved wear resistance, while maintaining good wet grip performance and durability. The present invention relates to a pneumatic tire which comprises a tread produced using a rubber composition that contains a specific oil-extended butadiene rubber, an isoprene-based diene rubber and/or a styrene butadiene rubber, a specific carbon black and stearic acid, respectively in predetermined amounts. The oil-extended butadiene rubber is a butadiene rubber synthesized using a rare earth element-based catalyst, and the amount of a process oil blended in this rubber composition is not more than a predetermined amount.


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