Macrocellular Titanosilicate Monoliths as Highly Efficient Structured Olefin Epoxidation Catalysts

Valentin Smeets, Ludivine van den Biggelaar, Tarek Barakat, Eric M. Gaigneaux, Damien P. Debecker

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

Self-standing macrocellular titanosilicate monolith foams are obtained using a one-pot sol-gel route and show excellent performance in the epoxidation of cyclohexene. Thanks to the High Internal Phase Emulsion (HIPE) templating method, the materials feature a high void fraction, a hierarchically porous texture and good mechanical strength. Highly dispersed Ti species can be incorporated in tetrahedral coordination in the silica matrix. These characteristics allow the obtained ‘SiTi(HIPE)’ materials to reach high catalytic turnover in the epoxidation of cyclohexene. The monoliths can advantageously be used to run the reaction in continuous flow mode.

langue originaleAnglais
Pages (de - à)1593-1597
Nombre de pages5
journalChemCatChem
Volume11
Numéro de publication6
Les DOIs
Etat de la publicationPublié - 20 mars 2019

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