| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing a fuel cost without reducing grip performance, and capable of being degraded by microorganisms after use. SOLUTION: The rubber composition contains a biodegradable aliphatic polyester within a range of 0.5-80 pts.mass based on 100 pts.mass of a rubber component comprising a natural rubber and/or a diene rubber. The biodegradable aliphatic polyester is preferably one or more kinds selected from a polylactic acid, a polycaprolactone and a polyalkylene succinate. COPYRIGHT: (C)2007,JPO&INPIT |
