Citation: An Zeng-Jian, Zhou Peng, Jian Xi-Gao, Cai Tian-Xi. Sulfonated Poly (phthalazinone ether sulfone ketone) Catalyst with High Thermal Stability[J]. Acta Physico-Chimica Sinica, ;2003, 19(07): 654-656. doi: 10.3866/PKU.WHXB20030718
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A new solid acid resin catalyst with high thermal stability——sulfonated poly (phthalazinone ether sulfone ketone) (S-PPESK) resin was prepared through sulfonation method and applied to isobutene oli merization. S-PPESK showed high catalytic activity and excellent dimerization selectivity under low reaction temperature conditions. The thermal stability of S-PPESK was measured by pretreatment method, the pretreatment temperature was 180 ℃ which was about 40 ℃ higher than that for with commercial sulphuric acid resin catalyst. S-PPESK exhibits od catalytic activity, excellent dimerization selectivity and high thermal stability in isobutene oli merization. It is a promising resin catalyst.
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