Artículo
Abstract:
In this work we report the covalent functionalization of multiwalled carbon nanotubes (MWCNTs) with polyacrylonitrile (PAN) and polyvinylpyridine (PVP) by the graft from method. Differences in the electronic distribution of both polymers resulted in different interaction between polymers and the nanotubes. It was found that PVP chains wrapped the nanotubes while nanotubes functionalized with PAN presented PAN chains forming amorphous entanglements on the nanoscale linked to the MWCNTs. Differences in the conformation between both polymers and the MWCNTs can be attributed to interactions between the aromatic groups in PVP and the MWCNTs through π-π stacking. The absence of aromatic groups in the case of the PAN chains favours the interaction between them. The functionalization efficiency was characterized using Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA) and UV-vis spectroscopy, while morphological changes were characterized by high resolution transmission electron microscopy. © 2011 Elsevier B.V. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Influence of the electronic distribution of polymers in the spatial conformation of polymer grafted carbon nanotube composites |
| Autor: | Garate, H.; De Falco, A.; Moreno, M.S.; Fascio, M.L.; Goyanes, S.; Daccorso, N.B. |
| Filiación: | Universidad de Buenos Aires, FCEyN, Depto. de Física IFIBA-CONICET LPyMC, Buenos Aires 1428, Argentina Centro Atómico Bariloche, 8400 S.C. de Bariloche, Argentina Universidad de Buenos Aires, FCEyN, Depto. de Química Orgánica, (CIHIDECAR-CONICET), Buenos Aires 1428, Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina |
| Palabras clave: | Carbon nanotubes; Functionalization; Polyacrylonitrile; Polyvinylpyridine; Aromatic group; Carbon-nanotube composites; Covalent functionalizations; Electronic distribution; Functionalizations; Functionalized; Graft-from; Morphological changes; Nano scale; Polymer-grafted; Polyvinylpyridine; Spatial conformation; UV-vis spectroscopy; Aromatic polymers; Carbon nanotubes; Fourier transform infrared spectroscopy; Grafting (chemical); High resolution transmission electron microscopy; Multiwalled carbon nanotubes (MWCN); Polyacrylonitriles; Thermogravimetric analysis; Ultraviolet visible spectroscopy; Polymers |
| Año: | 2012 |
| Volumen: | 407 |
| Número: | 16 |
| Página de inicio: | 3184 |
| Página de fin: | 3187 |
| DOI: | http://dx.doi.org/10.1016/j.physb.2011.12.060 |
| Título revista: | Physica B: Condensed Matter |
| Título revista abreviado: | Phys B Condens Matter |
| ISSN: | 09214526 |
| CODEN: | PHYBE |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09214526_v407_n16_p3184_Garate |
Referencias:
- Paradise, M., Goswami, T., (2007) Mater. Des., 28, p. 1477
- Martone, A., Formicola, C., Giordano, M., Zarrelli, M., (2010) Compos. Sci. Technol., 70, p. 1154
- Spitalskya, Z., Tasisb, D., Papagelisb, K., Galiotis, C., (2010) Prog. Polym. Sci., 35, p. 357
- Vigolo, B., Mamane, V., Valsaque, F., Le, T.N.H., Thabit, J., Ghanbaja, J., Aranda, L., McRae, E., (2009) Carbon, 47, p. 411
- Liu, Y.-T., Zhang, Z.-L., Zhao, W., Xie, X.-M., Ye, X.-Y., (2009) Carbon, 47, p. 1867
- Garate, H., Fascio, M., Mondragon, I., Daccorso, N., Goyanes, S., (2011) Polymer, 52, p. 2214
- Bellamy, L.J., (1975) The Infrared Spectra of Complex Molecules, 1. , Chapman London
- Sutasinpromprae, J., Jitjaicham, S., Nithitanakul, M., Meechaisue, C., Supaphol, P., (2006) Polym. Int., 55, p. 825
Citas:
---------- APA ----------
Garate, H., De Falco, A., Moreno, M.S., Fascio, M.L., Goyanes, S. & Daccorso, N.B. (2012) . Influence of the electronic distribution of polymers in the spatial conformation of polymer grafted carbon nanotube composites. Physica B: Condensed Matter, 407(16), 3184-3187.http://dx.doi.org/10.1016/j.physb.2011.12.060
---------- CHICAGO ----------
Garate, H., De Falco, A., Moreno, M.S., Fascio, M.L., Goyanes, S., Daccorso, N.B. "Influence of the electronic distribution of polymers in the spatial conformation of polymer grafted carbon nanotube composites" . Physica B: Condensed Matter 407, no. 16 (2012) : 3184-3187.http://dx.doi.org/10.1016/j.physb.2011.12.060
---------- MLA ----------
Garate, H., De Falco, A., Moreno, M.S., Fascio, M.L., Goyanes, S., Daccorso, N.B. "Influence of the electronic distribution of polymers in the spatial conformation of polymer grafted carbon nanotube composites" . Physica B: Condensed Matter, vol. 407, no. 16, 2012, pp. 3184-3187.http://dx.doi.org/10.1016/j.physb.2011.12.060
---------- VANCOUVER ----------
Garate, H., De Falco, A., Moreno, M.S., Fascio, M.L., Goyanes, S., Daccorso, N.B. Influence of the electronic distribution of polymers in the spatial conformation of polymer grafted carbon nanotube composites. Phys B Condens Matter. 2012;407(16):3184-3187.http://dx.doi.org/10.1016/j.physb.2011.12.060
