Adsorption of nonionic and anionic polymers on γ-alumina and Na-montmorillonite and their mixtures

被引：9

作者：

Bassmann, F ^{[1
]}

Séquaris, JM ^{[1
]}

Narres, HD ^{[1
]}

Schwuger, MJ ^{[1
]}

机构：

[1] Res Ctr Julich, Inst Appl Phys Chem, D-52425 Julich, Germany

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 1999年 / 20卷 / 1-2期

关键词：

D O I：

10.1080/01932699908943810

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：

Adsorption isotherms of nonionic polyvinylpyrrolidone (PVP) and anionic ionized polyacrylic acid (PAA) polymers on single Na-montmorillonite clay and gamma-alumina adsorbents in 0.01M NaCl and pH 5.6 are reported and compared to results obtained with aqueous adsorbent mixtures. Microelectrophoretic behaviours of adsorbents are also observed. It can be shown that antagonistic effects due to interactions between oppositely charged adsorbent surfaces largely limit the nonionic PVP adsorption.

引用

页码：607 / 620

页数：14

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