Phase Behavior of Commercial AES/Ethanol/H sub(2)O Ternary System

Phase behavior containing alkyl ethoxysulfates (AES), ethanol, and H sub(2)O over the whole concentration range was explored at 25 degree C. The system exhibited an isotropic solution phase (L), two different liquid crystalline phases: hexagonal phase (H), lamellar phase (L alpha ), and a biphasic r...

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Bibliographic Details
Published inJournal of dispersion science and technology Vol. 37; no. 5; pp. 633 - 639
Main Authors Liu, Yunling, Dang, Leping, Tan, Hongsing, Wei, Hongyuan
Format Journal Article
LanguageEnglish
Published 03.05.2016
Subjects
Concentration (composition)
Dispersions
Ethanol
Ethyl alcohol
Liquid crystals
Liquids
Spectrometry
Titration
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Summary:Phase behavior containing alkyl ethoxysulfates (AES), ethanol, and H sub(2)O over the whole concentration range was explored at 25 degree C. The system exhibited an isotropic solution phase (L), two different liquid crystalline phases: hexagonal phase (H), lamellar phase (L alpha ), and a biphasic region appearing with the ethanol concentration increasing. Polarized optical microscopy and small angle x-ray scattering were applied to characterize liquid crystalline phases. Direct two-phase titration and liquid chromatography-mass spectrometry (LC-MS) were employed to analyze the AES activity and homologues composition of the particles appearing in two-phase region.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
content type line 23
ObjectType-Feature-2
ISSN:0193-2691
1532-2351
DOI:10.1080/01932691.2015.1027910