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A pneumatic tire and tire rubber composition 发明授权

2023-10-23 4760 119K 0

专利信息

申请日期 2025-07-04 申请号 JP2011181869
公开(公告)号 JP5731321B2 公开(公告)日 2015-06-10
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 capable of improving low fuel consumption and mechanical strength after heat deterioration, and to provide a pneumatic tire in which the rubber composition for a tire is used for tire members (particularly, sidewall packing).SOLUTION : The rubber composition for a tire includes a natural rubber, a compound represented by formula (1) and/or formula (2), a carbon black, and a compound represented by formula (A). In formula (1), p represents an integer of 2-8. In formula (2), q represents an integer of 2-8, Mrepresents a metal ion, and r represents the valence of M. In formula (A), Y represents a 2-10C alkylene group, and Rand Rare the same or different and represent a nitrogen atom-containing monovalent organic group.


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