Hydrotropic solutions

Hydrotropes are a class of amphiphilic molecules that cannot form well organized structures, such as micelles, in water but do increase the aqueous solubility of organic molecules. Often strong synergistic effects are observed when hydrotropes are added to aqueous surfactant or polymer solutions. Re...

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Bibliographic Details
Published in:Current opinion in colloid & interface science 2007-06, Vol.12 (3), p.121-128
Main Authors: Hodgdon, Travis K., Kaler, Eric W.
Format: Article
Language:English
Subjects:
Branched micelle
Chemistry
Cloud point
Colloidal state and disperse state
Controlled release
Exact sciences and technology
General and physical chemistry
Hydrotrope
Micelle transition
Micelles. Thin films
Molecular probe
Phase behavior
Sodium salicylate
Sodium tosylate
Surface physical chemistry
Surfactant polymerization
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Summary:Hydrotropes are a class of amphiphilic molecules that cannot form well organized structures, such as micelles, in water but do increase the aqueous solubility of organic molecules. Often strong synergistic effects are observed when hydrotropes are added to aqueous surfactant or polymer solutions. Recent studies regarding the effects of hydrotropes on phase behavior, aggregation, surface tension, viscosity, solubility, and microstructure formation are reviewed. Novel applications of hydrotropes as molecular probes and for controlled release of pharmaceuticals are also discussed.
ISSN:1359-0294
1879-0399
DOI:10.1016/j.cocis.2007.06.004