Adsorption properties of polyethyleneimine on silica surfaces in the presence of sodium dodecyl sulfate

被引：35

作者：

Mészáros, R

Thompson, L

Varga, I

Gilányi, T

机构：

[1] Unilever Res Port Sunlight, Bebington CH63 3JW, England

[2] Eotvos Lorand Univ, Dept Colloid Chem, H-1518 Budapest 112, Hungary

来源：

LANGMUIR | 2003年 / 19卷 / 23期

关键词：

D O I：

10.1021/la0352218

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The adsorption features of aqueous PEI/SDS solutions on silica surfaces were investigated by ellipsometry. Results were compared with the interfacial behavior of the SDS solutions on preadsorbed PEI layers. It was shown that the properties of the mixed surface layers can be well interpreted via the individual adsorption properties of PEI as well as the characteristics of its interaction with SDS in the bulk solution.

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页码：9977 / 9980

页数：4

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