A CATION-EXCHANGE RESIN CATALYST WITH A POLYSTYRENE POLYMER SKELETON

摘要

A cation-exchange resin catalyst consisting of a cation-exchange resin, wherein a sulfonic acid group is introduced into a syndiotactic polystyrene polymer, the amount of acid is from 0.8 to 3.7 milliequivalent/g, and the crystallinity is from 5% to 50%.