| abstract |
Provided is a production method for a conjugated diene rubber, the method provided with: a first step that is for using a polymerization initiator to polymerize a compound represented by formula (1) and obtain a polymer block of the compound that is represented by formula (1), the polymer block having a reactive end; and a second step that is for polymerizing from the reactive end of the polymer block a monomer that comprises at least a conjugated diene compound. (In formula (1), R 1 is a hydrogen atom or a C1-20 hydrocarbon group, R 2 is a C3-20 hydrocarbon group that contains a ring structure, R 3 and R 4 are each independently a hydrogen atom or a C1-20 hydrocarbon group, and X is an arbitrary monovalent group.) |