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Dispersion of TiO2 Nanotubes in a Chitosan Matrix

Published online by Cambridge University Press:  05 November 2018

B. Núñez Mendoza ,
S.R. Vasquez-García ,
N. Flores-Ramírez ,
J. L. Rico ,
L. Zamora Peredo  and
M.P. Zapata-Pérez
B. Núñez Mendoza
Affiliation:
Department of Chemical Engineering, Universidad Michoacana de San Nicolas de Hidalgo, Morelia, PA 58030, México
S.R. Vasquez-García*
Affiliation:
Department of Chemical Engineering, Universidad Michoacana de San Nicolas de Hidalgo, Morelia, PA 58030, México
N. Flores-Ramírez
Affiliation:
Department of Wood Engineering and Technology, Universidad Michoacana de San Nicolas de Hidalgo, Morelia, PA 58030, México
J. L. Rico
Affiliation:
Department of Chemical Engineering, Universidad Michoacana de San Nicolas de Hidalgo, Morelia, PA 58030, México
L. Zamora Peredo
Affiliation:
Research Center for Micro and Nanotechnology, Universidad Veracruzana, Boca del Rio, Veracruz, 94292, México
M.P. Zapata-Pérez
Affiliation:
Department of Chemical Engineering, Universidad Michoacana de San Nicolas de Hidalgo, Morelia, PA 58030, México
*
*(Email: salomon_vg@yahoo.com)
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Abstract

This work presents the synthesis and characterization of TiO2 nanotubes (NTT) with chitosan (CS). In a first stage, electrochemical anodization of titanium foils was used to generate NTT in a membrane-type arrangement. From these experiments, suitable experimental conditions were selected. In a second stage, the synthesized NTT were detached from the titanium foils by sonication. In the third stage, the detached NTT were dispersed in an acid solution containing CS in various concentrations. Finally, the nanotubes-chitosan (NTT/CS) samples were characterized by Scanning Electron Microscopy (SEM), X-ray diffraction (XRD), and Fourier Transform Infrared Spectrometry (FTIR). Our results showed that the NTT presented very regular tube morphology with -OH and Ti-O- functional groups on the surface. The interaction of NTT and chitosan was enhanced by increasing the time of contact during the synthesis of the titanium composites.

Keywords

nanostructurepolymerelectrodeposition
Type
Articles
Information
MRS Advances , Volume 3 , Issue 63: International Materials Research Congress XXVII , 2018 , pp. 3805 - 3810
Copyright
Copyright © Materials Research Society 2018 

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