| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire that reduces brown discoloration of the tire and improves ozone durability. SOLUTION: The tire includes a side wall 1, a case 2 and an inner liner 3. The side wall 1 consists of rubber composition for the side wall containing 1.0-2.2 pts.mass of phenylenediamine system antioxidant relative to 100 pts.mass of rubber component. The case 2 is covered by rubber composition for covering a case cord 9 containing 0.3-1.5 pts.mass of phenylenediamine system antioxidant relative to 100 pts.mass of rubber component. COPYRIGHT: (C)2010,JPO&INPIT |
