| abstract |
(A) derived from a conjugated diene having a carbon number of 12 or less and a monomer unit (b) derived from a parnesene. Wherein the copolymer is copolymerized with at least a conjugated diene having a carbon number of 12 or less and parnesene. A rubber composition comprising the copolymer (A), the rubber component (B) and the carbon black (C). A rubber composition comprising the copolymer (A), the rubber component (B) and the silica (D). A rubber composition comprising the copolymer (A), the rubber component (B), the carbon black (C) and the silica (D). A tire using at least a part of the rubber composition. |