Sulfonic SBA-15 silica with amphiphilic properties: Effect of incorporating hydrophobic groups on the esterification of glycerine with fatty acids

IF 4.7 2区化学 Q2 CHEMISTRY, PHYSICAL

Applied Catalysis A: General Pub Date : 2025-01-08 DOI:10.1016/j.apcata.2025.120115

L.G. Tonutti, M.A. Maquirriain, C.A. Querini, M.L. Pisarello, B.O. Dalla Costa

引用次数: 0

Abstract

Heterogeneous catalysts with amphiphilic properties were studied for the esterification of glycerine with fatty acids, with the aim of developing materials that are preferentially located at the interface of immiscible reactants, and thus, potentially more active than a catalyst concentrated in the bulk of one of the phases. This was tested using SBA-15 functionalized with sulfonic groups, as well as methyl or octyl groups to provide the amphiphilic character. More hydrophobic catalysts presented higher affinity for the interface and led to higher reaction rates. However, the production of secondary products was also higher and influenced by the phase that initially filled the pores.

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来源期刊

Applied Catalysis A: General 化学-环境科学

CiteScore

9.00

自引率

5.50%

发文量

415

审稿时长

24 days

期刊介绍： Applied Catalysis A: General publishes original papers on all aspects of catalysis of basic and practical interest to chemical scientists in both industrial and academic fields, with an emphasis onnew understanding of catalysts and catalytic reactions, new catalytic materials, new techniques, and new processes, especially those that have potential practical implications. Papers that report results of a thorough study or optimization of systems or processes that are well understood, widely studied, or minor variations of known ones are discouraged. Authors should include statements in a separate section "Justification for Publication" of how the manuscript fits the scope of the journal in the cover letter to the editors. Submissions without such justification will be rejected without review.