METHOD OF HYDROGENATING CONJUGATED DIENE POLYMER, HYDROGENATION CATALYST SYSTEM, AND COMPOSITION OF BASIC CONJUGATED DIENE POLYMER

摘要

A hydrogenation method in which a conjugated diene polymer is hydrogenated in the presence of both a catalyst comprising a platinum-group metal or compound thereof and a basic compound. Specifically, 1 hydrogenation is conducted in a reaction system obtained by adding the catalyst and a basic compound to a solution or latex of the conjugated diene polymer 2 hydrogenation is conducted in a reaction system obtained by adding a hydrogenation catalyst system comprising a combination of the catalyst and a basic compound to a solution or latex of the conjugated diene polymer or 3 hydrogenation is conducted in a reaction system obtained by adding the catalyst to a solution of a conjugated diene polymer composition containing a basic compound. Thus, a conjugated diene polymer can be efficiently and industrially advantageously produced using a small amount of a catalyst.