Acetic acid mediated interactions between alumina surfaces

被引：10

作者：

Sato, Kimiyasu ^{[1
]}

Yilmaz, Huseyin ^{[1
,2
]}

Ijuin, Atsuko ^{[1
]}

Hotta, Yuji ^{[1
]}

Watari, Koji ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Moriyama Ku, Nagoya, Aichi 4638560, Japan

[2] Gebze Inst Technol, Mat Sci & Engn Dept, TR-41400 Gebze, Turkey

来源：

APPLIED SURFACE SCIENCE | 2012年 / 258卷 / 08期

关键词：

Surface force; Alumina; Acetic acid; Atomic force microscope; Colloid-probe; IONIZATION-MASS-SPECTROMETRY; ALPHA-ALUMINA; AQUEOUS-ELECTROLYTE; LATERAL INTERACTION; INTERACTION FORCES; HYDRATION; PARTICLE; DLVO;

D O I：

10.1016/j.apsusc.2011.12.091

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：

Low-molecular-weight organic acids have been known to modify colloidal stability of alumina-based suspensions. We investigated interaction forces between alumina surfaces mediated by acetic acid which is one of the simplest organic acids. Forces between alumina surfaces were measured using the colloid-probe method of atomic force microscope (AFM). Repulsive forces attributed to steric repulsion due to adsorbed molecules and electrostatic repulsion dominated the interaction. Results of rheological characterization of the alumina slurry containing acetic acid supported the finding. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：4011 / 4015

页数：5

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