| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition made serviceable for a longer period by enhancing heat resistance and, particularly, suppressing hardening and degradation of rubber without increasing the amount of antioxidants; and a pneumatic tire using the composition in each member thereof. SOLUTION: This rubber composition includes a rubber component containing 20 mass% or more isoprene-based rubber, silica and a bis(benzothiazolyl)disulfide-based and/or mercaptobenzothiazole-based compound. COPYRIGHT: (C)2010,JPO&INPIT
|
