Structure and Electrocatalytic Properties of Copper-Containing Aniline–Melamine–Formaldehyde Polymer Composites

Mixed aniline–melamine–formaldehyde polymer was synthesized by parallel polycondensation of the monomers with formaldehyde. Copper(II) chloride and copper oxides (CuO, Cu 2 O) were introduced in situ the process. X-ray diffraction analysis revealed the presence of crystalline CuO phases at introduci...

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Bibliographic Details
Published in:Russian journal of applied chemistry 2018-03, Vol.91 (3), p.396-403
Main Authors: Ivanova, N. M., Visurkhanova, Ya. A., Soboleva, E. A.
Format: Article
Language:English
Subjects:
Aniline
Chemical reduction
Chemical synthesis
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Copper
Copper compounds
Copper oxides
Formaldehyde
Industrial Chemistry/Chemical Engineering
Macromolecular Compounds and Polymeric Materials
Melamine
Particulate composites
Phenylenediamine
Polymer matrix composites
Polymers
X-ray diffraction
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Summary:Mixed aniline–melamine–formaldehyde polymer was synthesized by parallel polycondensation of the monomers with formaldehyde. Copper(II) chloride and copper oxides (CuO, Cu 2 O) were introduced in situ the process. X-ray diffraction analysis revealed the presence of crystalline CuO phases at introducing CuCl 2 into the polymer and the appearance of copper particles in all the synthesized composites after using them as catalysts in electrohydrogenation of o -nitroaniline, which is caused by electrochemical reduction of copper cations from copper oxides. The use of the synthesized composites for the cathode activation in electrohydrogenation of o -nitroaniline increases the process rate by a factor of 1.5–2.5 compared to electrochemical reduction, and with 100% conversion to o -phenylenediamine.
ISSN:1070-4272
1608-3296
DOI:10.1134/S1070427218030096