| 摘要 |
A process for hydrogenation of conjugated diene polymers comprises hydrogenating said polymer in the presence of hydrogen and a hydrogenation catalyst composition comprising:(a) at least one titanium compound represented by the following formula (a):wherein R1 and R2, which may be the same or different, represent a halogen atom, an alkyl group, an aryl group, an arakyl group, a cycloalkyl group, an aryloxy group, an alkoxy group or a carbonyl group,and Cp* represents a cyclopentadienyl group or a derivative having the formula of C5R5, and R5, which may be the same or different, represents a hydrogen atom, an alkyl group an aralkyl group and an aryl group; and(b) at least one silyl hydride.
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