S-PPESK exhibits good catalytic activity, excellent dimerization selectivity and high thermal stability in isobutene oligomerization.It is a promising resin catalyst.

• S-PPESK在异丁烯的低聚反应中表现出了良好的催化活性、优良的二聚反应选择性和很好的热稳定性能，其应用前景广泛。