Interaction of poly(methacrylic acid) brushes with metal ions:: Swelling properties

被引：119

作者：

Konradi, R ^{[1
]}

Rühe, J ^{[1
]}

机构：

[1] Univ Freiburg, Inst Microsyst Technol, D-79110 Freiburg, Germany

来源：

MACROMOLECULES | 2005年 / 38卷 / 10期

关键词：

D O I：

10.1021/ma0486804

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The swelling behavior of poly(methacrylic acid) (PMAA) brushes in contact with aqueous solutions of sodium, silver, alkaline-earth metal, copper, and aluminum nitrate was studied by multiple angle null ellipsometry. Fundamentally different swelling behavior were found for the interaction of the polyacid brush with metal cations of increasing valency or when going from a main group to a transition metal ion at constant valency. The different cations were classified with respect to the nature of their interaction with the surface-attached poly(carboxylic acid), and the findings were compared to theoretical predictions as well as to experimental investigations of related systems, such as free polyacids in solution or polyacid gels interacting with different metal cations.

引用

页码：4345 / 4354

页数：10

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