发明名称 空気入りタイヤ
摘要 The present invention provides a pneumatic tire capable of preventing discoloration while exhibiting good TGC resistance even after the tire having a reduced sub-tread thickness at the base of the tread main groove is stored. The present invention relates to a pneumatic tire including a tread portion, the tread portion including a jointless band and at least two tire components selected from the group consisting of a cap tread, a base tread, and an undertread, the rubber composition for cap treads having an amount of phenylenediamine antioxidant of a specific value or less, the cap tread, the base tread, the undertread, and the upper layer of the jointless band having amounts of phenylenediamine antioxidant satisfying a specific relational expression, the rubber composition for undertreads containing a specific amount of sulfur, the pneumatic tire having a sub-tread thickness at the base of the tread main groove of 0.5 to 2.0 mm.
申请公布号 JP6063043(B2) 申请公布日期 2017.01.18
申请号 JP20150525122 申请日期 2014.06.13
申请人 住友ゴム工業株式会社 发明人 宮崎 達也
分类号 B60C11/00;B60C1/00;B60C9/22;C08K5/18;C08L21/00;C08L61/06;C08L71/02 主分类号 B60C11/00
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