Structure study of a microemulsion system with an ionic liquid (AH) 출판월 증빙: http://www.ncbi.nlm.nih.gov/pubmed/26439624

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We found that an ionic liquid (IL) with a long alkyl chain moiety, 1-tetradecyl-3-methylimidazolium chloride (C14MIM center dot Cl), forms a single crystal after the addition of octanol in an alkane solvent. But the solution exhibits a structural change after adding a small amount of water. An optically clear solution is found within limits, and it is stable for several months. Since the IL molecule has an amphiphilic property, it behaves as a surfactant in the microemulsion system. But the IL formed a single crystal rather than a lyotropic liquid crystalline structure, unlike a typical surfactant. Therefore, it is important to understand the structure of the microemulsion system. We used the small angle neutron scattering (SANS) technique to investigate the structure. The scattering intensity was analyzed using a spherical core-shell model with the Schultz size distribution, and a contrast matching method was used to study the internal structure. The structure of the solution is confirmed to be a water-in-oil microemulsion system, and the swelling law is obeyed in the microemulsion system.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2015-11
Language
English
Article Type
Article
Citation

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, v.17, no.41, pp.27833 - 27839

ISSN
1463-9076
DOI
10.1039/c5cp03939h
URI
http://hdl.handle.net/10203/207194
Appears in Collection
PH-Journal Papers(저널논문)
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