| Journal of Advanced Catalysis Science and Technology (Volume 2 Issue 2) | |
| Nanoferrites as Catalysts and Fillers for Polyaniline/Nanoparticle Composites Preparation |  |
| Pages 8-16
E. Falletta, A. Ponti, A. Sironi, A. M. Ferretti and C. Della Pina DOI: http://dx.doi.org/10.15379/2408-9834.2015.02.02.02Published: 30 September 2015 |
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| Abstract | |
| In this paper, we report on the catalytic activity of MFe2O4 nanoparticles (M = Mn, Ni, Cu, Zn, Mg) in the oxidative polymerization of N-(4-aminophenyl)aniline yielding polyaniline/nanoparticle composites. Hydrogen peroxide is used as the oxidizing agent and ferrite nanoparticles play the dual role of reaction catalysts and fillers. The obtained polyaniline/MFe2O4 composites maintained the pristine size of the ferrite crystallites and showed a modest conductive behavior. Polyaniline/MFe2O4 (M = Mn, Ni) composites displayed good dispersion of the nanoparticles in the polyaniline matrix and magnetic hardness intermediate between those of soft M = Fe and hard M = Co composites, evidencing the tunability of the magnetic properties. | |
| Keywords | |
| catalysis, composites, ferrites, nanoparticles, polyaniline. | |
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