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Tire rubber composition and heavy 发明授权

2023-09-16 3970 91K 0

专利信息

申请日期 2025-08-04 申请号 JP2010132244
公开(公告)号 JP5567401B2 公开(公告)日 2014-08-06
公开国别 JP 申请人省市代码 全国
申请人 Sumitomo Rubber Industries Ltd183233
简介 PROBLEM TO BE SOLVED : To provide a rubber composition for a tire, which can be well balancedly improved in a low fuel consumption performance, a wear resistance performance and a degradation resistance performance; and to provide a tire for a heavy load, which is fabricated using the same and having a tread.SOLUTION : The rubber composition for a tire comprises a rubber component and a compound represented by formula (1), wherein 100 mass% of the rubber component contains 40 to 95% of a modified natural rubber having a phosphorus content of ≤200 ppm, and 5 to 60 mass% of a butadiene rubber synthesized using a rare earth element-based catalyst. In the formula, A denotes a 2-10C alkylene group; and Rand Rare identical or different, and denote a monovalent organic group containing a nitrogen atom.


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