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Beta zeolite obtained from seeded synthesis without the use of organic structure directing agents (OSDAs) has been used as a catalyst in different types of reactions. The large number of strong acid sites resulted in a high activity for the alkylation of benzene with ethene and a high cracking activity in the hydroconversion of n-decane. However, the high framework polarity resulted in fast deactivation...
Efficient and stable solid acid catalysts, sulfonic groups functional swelling mesoporous polydivinylbenzenes (PDVB-x-SO 3 Hs), were synthesized from sulfonation of swelling mesoporous polydivinylbenzenes (PDVB-xs) by chlorosulfonic acid in CH 2 Cl 2 . Nitrogen adsorption–desorption isotherms showed that PDVB-x-SO 3 Hs have high surface area and abundant mesoporosity...
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