Study of the influence of poly(acrylic acid) and polyacrylamide on the electrochemical properties of the ZrO2/solution interface

被引：11

作者：

Chibowski, S ^{[1
]}

Krupa, M ^{[1
]}

机构：

[1] Marie Curie Sklodowska Univ, Fac Chem, Dept Radiochem & Colloid Chem, PL-20031 Lublin, Poland

来源：

ADSORPTION SCIENCE & TECHNOLOGY | 1999年 / 17卷 / 10期

关键词：

D O I：

10.1177/026361749901701004

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The influence of the molecular weight of poly(acrylic acid) (PAA) and polyacrylamide (PAM) on the electrical properties of the ZrO2/polymer solution interface was examined. The main factors responsible for the observed zeta potential and surface charge changes of ZrO2 were defined. Changes in the ionic structure of the Stem layer depend on the number and distribution of -COOH groups in polymer macromolecules. These groups are responsible for the polymer chain conformation at the surface and have an influence on the amount of polyelectrolyte adsorbed. The thicknesses of the adsorption layers and the free energy of adsorption of the polymers examined were calculated.

引用

页码：813 / 825

页数：13

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