Substrate-induced coagulation (SIC) of nano-disperse alumina in non-aqueous media: The dispersibility and stability of alumina in N-methyl-2-pyrrolidinone

被引：4

作者：

Basch, Angelika ^{[1
]}

Strnad, Simona ^{[2
]}

机构：

[1] Australian Natl Univ, CSES Ctr Sustainable Energy Syst, Coll Engn & Comp, Canberra, ACT 0200, Australia

[2] Univ Maribor, Fac Mech Engn, SLO-2000 Maribor, Slovenia

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2011年 / 374卷 / 1-3期

基金：

奥地利科学基金会;

关键词：

Contact angle; Non-aqueous dispersions; Electrophoretic; Mobilities; Substrate-induced coagulation (SIC); Aluminiumoxide; Zeta potential; CARBON-BLACK; AEROSOL OT; SUSPENSIONS; ADSORPTION; SURFACES;

D O I：

10.1016/j.colsurfa.2010.10.026

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：

This work investigated colloidal properties such as the zeta-potential, the electrophoretic mobilities and the wetting behaviour of alumina dispersed in non-aqueous media. Non-aqueous dispersions of alumina were prepared in the solvent N-methyl-2-pyrrolidinone (NMP). The wetting behaviour of alumina in NMP was characterized by the powder contact angle method and the Wilhemy plate method. The behaviour of the dispersion should provide information for the development of a substrate-induced coagulation (SIC) coating process of nano-sized alumina in non-aqeous media. SIC is a dip-coating process that coats pretreated but chemically different surfaces with nano-sized particles. It was found that the anionic surfactant dioctyl sulfosuccinate (AOT) had no stabilizing effect on alumina dispersed in NMP. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：9 / 12

页数：4

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