Smart Foams: Switching Reversibly between Ultrastable and Unstable Foams

Smart Foams: Switching Reversibly between Ultrastable and Unstable Foams

Smart foams: Ultrastable foams with an optimal foamability are obtained using hydroxy fatty acids tubes (see picture). The stabilization results from the adsorption of monomers at the air–water interface and from the presence of tubes in the plateau borders. Upon heating, tubes transform to micelles...

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Veröffentlicht in:Angewandte Chemie International Edition 2011-08, Vol.50 (36), p.8264-8269
Hauptverfasser: Fameau, Anne-Laure, Saint-Jalmes, Arnaud, Cousin, Fabrice, Houinsou Houssou, Bérénice, Novales, Bruno, Navailles, Laurence, Nallet, Frédéric, Gaillard, Cédric, Boué, François, Douliez, Jean-Paul
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
Air
Chemical Sciences
Condensed Matter
fatty acids
Fatty Acids - chemistry
foams
interfaces
Microscopy, Confocal
Neutron Diffraction
Physics
Polymers
Scattering, Small Angle
self-assembly
Soft Condensed Matter
Stearic Acids - chemistry
Temperature
tubes
Water - chemistry
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Beschreibung
Zusammenfassung:Smart foams: Ultrastable foams with an optimal foamability are obtained using hydroxy fatty acids tubes (see picture). The stabilization results from the adsorption of monomers at the air–water interface and from the presence of tubes in the plateau borders. Upon heating, tubes transform to micelles, leading to foam destabilization and thus to the first foams to exhibit temperature‐tuneable stability.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201102115