Complex formation of sodium alkyl sulfates with chitosan in aqueous-ethanol solutions

被引：0
|
作者：
S. V. Shilova
A. Ya. Tret’yakova
V. P. Barabanov
机构：
[1] Kazan National Research University of Technology,
来源：
Russian Journal of Applied Chemistry | 2014年 / 87卷
关键词：
Surfactant; Chitosan; Ethanol Concentration; Surfactant Concentration; Solvent Composition;
D O I：
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学科分类号：
摘要：
The influence of the length of the hydrocarbon radical in sodium alkyl sulfates and of the solvent composition on the formation of polymer-colloid complexes with chitosan in aqueous-ethanol solution was studied. The critical association constants, binding cooperativity parameters, and dissociation constants of the complexes were determined. An increase in the length of the alkyl radical leads to enhancement of the association of sodium alkyl sulfates with chitosan at an ethanol concentration in solution of up to 30 vol %. In solutions with higher ethanol concentrations, the solvent composition becomes the decisive factor of the complex formation of chitosan with sodium alkyl sulfate.
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页码：1923 / 1929
页数：6
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