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Issue 5, 2019
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An amphiphilic organosilicon framework (AOF): a new solid Pickering catalyst carrier

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Abstract

Amphiphilic solid nanoparticles can stabilize a biphasic system to form a Pickering emulsion like organic amphiphilic surfactants, and have profound implications for oil-aqueous biphasic reactions. In the current work, for the first time, we prepared an amphiphilic organosilicon framework (AOF) simply by hydrolysis and condensation of the amphiphilic organosiloxane precursor 2,5-bis[(E)-2-(triethoxysilyl)vinyl]pyridine [BTOSVP] which can be used as a Pickering emulsifier and a catalyst carrier for a W–O emulsion in various systems. After catalyst TS-1 was implanted in the amphiphilic AOF carrier, it turned into a solid Pickering catalyst, yolk–shell TS-1@AOF, that can stabilize water–oil emulsions and catalyze reactions at the liquid/liquid interface. The obtained Pickering catalyst showed remarkable activity toward the epoxidation reaction of 1-hexene in water with hydrogen peroxide (H2O2) as oxidant.

Graphical abstract: An amphiphilic organosilicon framework (AOF): a new solid Pickering catalyst carrier

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Article information


Submitted
19 Feb 2019
Accepted
21 Mar 2019
First published
25 Mar 2019

Inorg. Chem. Front., 2019,6, 1253-1260
Article type
Research Article

An amphiphilic organosilicon framework (AOF): a new solid Pickering catalyst carrier

H. Yu, H. Zou, J. Dai, Z. Shi, R. Wang, Z. Zhang and S. Qiu, Inorg. Chem. Front., 2019, 6, 1253
DOI: 10.1039/C9QI00165D

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