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Revista mexicana de física E

Print version ISSN 1870-3542

Abstract

MENDOZA-BARRERA, C.; BAHENA-NAVARRO, L.A.; MELENDEZ-LIRA, M.A.  and  VELASQUILLO, C.. Diseño, construcción y aplicación de un sistema de electrodepósito químico: películas de quitosan sobre acero inoxidable. Rev. mex. fís. E [online]. 2006, vol.52, n.2, pp.244-250. ISSN 1870-3542.

Chemical electrodeposition is a cheap deposition technique with several advantages, between them we can mention: a wide range of low cost precursors available allowing easily to change pHs and concentration of the electrolyte, tight control of film thickness, uniformity, deposition rate and isothermal process. In the present work we report the design, construction and application of a low cost electrodeposition system. The performance of the system is tested depositing the biopolymer chitosan, the second most abundant natural biopolymer in nature, on stainless steel 316L. Deposited films were characterized with common techniques employed in non-biological materials studies. The vibrational, structural and chemical characteristics were obtained by infrared spectroscopy (IRS), scanning electron microscopy (SEM), and X-ray energy dispersive spectroscopy (EDS). Chitosan films were deposited on the negative electrode with their morphology depending on the pH and solution molalility.

Keywords : Chemical electrodeposition; Chitosan; polymeric films.

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