| abstract |
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing fuel consumption without causing deterioration in grip performance and capable of being decomposed by microorganisms after use. The rubber composition contains a biodegradable aliphatic polyester within a range of 0.5 to 80 parts by mass with respect to 100 parts by mass of a rubber component including natural rubber and / or diene rubber. The biodegradable aliphatic polyester is preferably at least one selected from polylactic acid, polycaprolactone, and polyalkylene succinate. [Selection] Figure 1 |