期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 195, 期 1-3, 页码 269-274出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0927-7757(01)00851-2
关键词
polyelectrolyte; film-forming substance; oligomer; electric conductivity; electrophoretic mobility; critical micelle concentration; electrodeposition
The specific electric conductivity and the electrophoretic mobility of two different polycondensed film-forming substances (alkyd and alkydepoxide oligomers) that are used as binders for anodic electrodeposition have been studied. These electric characteristics were investigated in a broad range of concentrations. By conductometric method the availability of four critical micelle concentrations (CMCs) in aqueous solutions of polyelectrolytes was shown. These CMCs are caused by structural transitions and intermicellar interactions in the oligomer solutions. Characteristic for these transitions alterations were also detected on concentration dependence of electrophoretic mobility. (C) 2001 Elsevier Science B.V. All rights reserved.
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