High Internal Phase Emulsions Stabilized Solely by Functionalized Silica Particles

Small but mighty: Oleic acid functionalized silica particles possess adequate hydrophobicity to stabilize water/oil Pickering high internal phase emulsions. The particles adsorb irreversibly at the aqueous/organic interface and prevent droplet coalescence and phase inversion. Polymerization of the e...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2008-10, Vol.47 (43), p.8277-8279
Main Authors: Ikem, Vivian O, Menner, Angelika, Bismarck, Alexander
Format: Article
Language:English
Subjects:
Adsorption
colloids
Colloids - chemistry
emulsions
Emulsions - chemical synthesis
Emulsions - chemistry
Hydrophobic and Hydrophilic Interactions
Nanoparticles
Oleic Acid - chemistry
Particle Size
polymerization
Polymers - chemistry
silica
Silicon Dioxide - chemistry
Surface Properties
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Summary:Small but mighty: Oleic acid functionalized silica particles possess adequate hydrophobicity to stabilize water/oil Pickering high internal phase emulsions. The particles adsorb irreversibly at the aqueous/organic interface and prevent droplet coalescence and phase inversion. Polymerization of the emulsions produced highly porous polymer foams.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200802244