Journal
INORGANIC CHEMISTRY FRONTIERS
Volume 6, Issue 5, Pages 1253-1260Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qi00165d
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Funding
- National Natural Science Foundation of China [21390394]
- National Basic Research Program of China [2012CB821700, 2011CB808703]
- NSFC [21261130584, 91022030]
- 111 project [B07016]
- KAUST [CRG-1-2012-LAI-009]
- Ministry of Education, Science and Technology Development Center [20120061130012]
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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.
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