Polyelectrolyte-Cu(II) interactions studied by cyclic voltammetry

SUMMARYThe polymer-metal ion interactions were studied by cyclic voltammetry. These were carried out with poly(acrylic acid)-Cu(II) and poly(vinylsulfonic acid)-Cu(II) systems at different pH. At low pH, the polymer was adsorbed on the electrode surface increasing the irreversibility of the Cu2+/Cu(...

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Bibliographic Details
Published inPolymer bulletin (Berlin, Germany) Vol. 45; no. 3; pp. 259 - 265
Main Authors RIVAS, Bernabé L, SCHIAPPACASSE, Nicolas, BASAEZ, Luis A
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 09.11.2000
Berlin Springer Nature B.V
New York, NY
Subjects
Applied sciences
Complex formation
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polyacrylic acid
Polyelectrolytes
Polymers
Properties and characterization
Solution and gel properties
Voltammetry
Complexation
Electrostatic interaction
Metal ion
Experimental study
Polyelectrolyte
Cyclic voltammetry
Copper ion
Investigation method
Medium effect
Polyvinyl derivative
Acrylic acid polymer
pH
Polyacid
Aqueous solution
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Summary:SUMMARYThe polymer-metal ion interactions were studied by cyclic voltammetry. These were carried out with poly(acrylic acid)-Cu(II) and poly(vinylsulfonic acid)-Cu(II) systems at different pH. At low pH, the polymer was adsorbed on the electrode surface increasing the irreversibility of the Cu2+/Cu(s) redox system. At pH 2.7, it was possible to demonstrate that the interaction between Cu(II) and poly(vinylsulfonic acid) is basically electrostatic and with poly(acrylic acid) a complex formation also exists.
ISSN:0170-0839
1436-2449
DOI:10.1007/s002890070029