Ternary complexes involving a β-cyclodextrin polymer, a cationic surfactant and an anionic polymer

被引:4
|
作者
Amiel, C
Galant, C
Auvray, L
机构
[1] CNRS, UMR 7581, Lab Rech Polymeres, F-94320 Thiais, France
[2] Univ Evry, Lab Mat Polymeres Interfaces, F-91025 Evry, France
关键词
beta-cyclodextrin polymer; polyelectrolyte complexes; cationic surfactant; small-angle neutron scattering; viscometry;
D O I
10.1007/b93967
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Interpolyelectrolyte complexes have been prepared by mixing in aqueous solutions an anionic polymer, a neutral beta-cyclodextrin polymer and a cationic surfactant dodecyltrimethylammonium chloride. In this ternary system, electrostatic interactions are involved between the opposite charges of the surfactant and the anionic polymer, whereas inclusion complex interactions link the surfactant to the neutral beta-cyclodextrin polymer. The occurrence of these ternary complexes has been proved for three different anionic polymers: sodium polystyrene sulfonate, sodium dextran sulfate and herring sperm DNA fragments.
引用
收藏
页码:44 / 46
页数:3
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