Surfactant mediated adsorption of negatively charged latex particles to a cellulose surface

被引：13
|
作者：
Schaffner, L.
Brugger, G.
Nyffenegger, R.
Walter, R.
Ricka, J.
Kleimann, J.
Hotz, J.
Quellet, Ch.
机构：
[1] Univ Bern, Dept Biomed Photon, Inst Appl Phys, CH-3012 Bern, Switzerland
[2] Univ Geneva, Dept Inorgan Analyt & Appl Chem, CH-1211 Geneva 4, Switzerland
[3] Givaudan Schweiz AG, Fragrance Res Delivery Syst, CH-8600 Dubendorf, Switzerland
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2006年 / 286卷 / 1-3期
关键词：
cellulose; evanescent wave microscopy; particle deposition; cationic surfactant; adsorption; recharging; competitive adsorption;
D O I：
10.1016/j.colsurfa.2006.02.066
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：
The adsorption of anionic, carboxyl functionalized latex particles, recharged by a cationic surfactant acting as fabric softener/conditioner, to a cellulose surface was investigated with evanescent wave video microscopy. This technique allows to monitor the deposition and release of individual particles in real-time with an excellent selectivity and sensitivity. Since the recharged particles and the conditioner compete for the free surface, the initial deposition rate and final surface coverage are found to be strongly dependent on the ratio of particle and conditioner concentrations. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：39 / 50
页数：12
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