Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 195, Issue 1-3, Pages 269-274Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0927-7757(01)00851-2
Keywords
polyelectrolyte; film-forming substance; oligomer; electric conductivity; electrophoretic mobility; critical micelle concentration; electrodeposition
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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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