An Onion Phase in Salt-Free Zero-Charged Catanionic Surfactant Solutions

An Onion Phase in Salt-Free Zero-Charged Catanionic Surfactant Solutions

No added salt: Transmission electron microscopy and small‐angle X‐ray scattering studies have shown that uni‐ and multilamellar vesicles with radii of 25.5 and 366 nm (see schematic diagram; the hydrophilic cation/anion groups are shown as green spheres and the hydrocarbon chains in blue), respectiv...

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Veröffentlicht in:Angewandte Chemie International Edition 2005-06, Vol.44 (26), p.4018-4021
Hauptverfasser: Song, Aixin, Dong, Shuli, Jia, Xiangfeng, Hao, Jingcheng, Liu, Weimin, Liu, Tianbo
Format: Artikel
Sprache:eng
Schlagworte:
Cations
electron microscopy
Ethanol - chemistry
Ether - chemistry
Models, Chemical
Phase Transition
phase transitions
Solutions - chemistry
Surface-Active Agents - chemistry
surfactants
Trimethyl Ammonium Compounds - chemistry
X-ray spectroscopy
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Zusammenfassung:No added salt: Transmission electron microscopy and small‐angle X‐ray scattering studies have shown that uni‐ and multilamellar vesicles with radii of 25.5 and 366 nm (see schematic diagram; the hydrophilic cation/anion groups are shown as green spheres and the hydrocarbon chains in blue), respectively, are formed from trimethyltetradecylammonium hydroxide and oleic acid in water. The multilamellar phase consists of seven bilayers.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200500353