Formation of Amphiphile Self-Assembly Phases in Protic Ionic Liquids

A range of protic ionic liquids (PILs) have been identified as being capable of supporting the self-assembly of the nonionic surfactants myverol 18−99K (predominantly monoolein) and phytantriol. PIL−surfactant penetration scans have provided a high throughput technique to determine which lyotropic l...

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Bibliographic Details
Published in:The journal of physical chemistry. B 2007-04, Vol.111 (16), p.4082-4088
Main Authors: Greaves, Tamar L, Weerawardena, Asoka, Fong, Celesta, Drummond, Calum J
Format: Article
Language:English
Subjects:
Ions
Surface-Active Agents - chemistry
Water - chemistry
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Summary:A range of protic ionic liquids (PILs) have been identified as being capable of supporting the self-assembly of the nonionic surfactants myverol 18−99K (predominantly monoolein) and phytantriol. PIL−surfactant penetration scans have provided a high throughput technique to determine which lyotropic liquid crystalline phases were formed in the 40 PIL−surfactant systems investigated. Lamellar, inverse hexagonal, and bicontinuous cubic phases that are stable in excess PIL have been observed in surfactant−PIL systems. The studied PILs possess a wide range of solvent properties, including surface tension and viscosity. The nature of the formed amphiphile self-assembly phases is discussed in terms of the PIL structure and solvent properties.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp066511a