THERMODYNAMIC STUDY OF POLYETHYLENE-GLYCOLS IN MICELLAR SOLUTIONS WATER PLUS SODIUM DODECYL-SULFATE

被引：6

作者：

AUCOUTURIER, C

ROUXDESGRANGES, G

ROUX, AH

机构：

[1] U.R.A. C.N.R.S. 434, Laboratoire de Thermodynamique et Génie Chimique, Université Blaise Pascal, Aubiére Cedex

来源：

JOURNAL OF THERMAL ANALYSIS | 1994年 / 41卷 / 06期

关键词：

ENTHALPIES; HEAT CAPACITIES; POLYETHYLENEGLYCOLS; SODIUM DODECYL-SULFATE; SURFACTANT-POLYMER INTERACTIONS; VOLUMES;

D O I：

10.1007/BF02549924

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Interactions of a series of polyethyleneglycols (PEG) in aqueous micellar solutions of sodium dodecylsulfate (SDS) were investigated through thermodynamic properties. Volumes, heat capacities and enthalpies of dilution were measured at 25-degrees-C. The resulting transfer properties of PEG are reflecting hydrophobic interactions which increase with the polymer length and the hydrophilic interactions occurring in the aqueous polar layer of the micelles. Typically heat capacities clearly evidence various structural changes taking place in the micellar solutions.

引用

页码：1295 / 1303

页数：9

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