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Revista mexicana de ingeniería química
versão impressa ISSN 1665-2738
Resumo
SOTO-BORBON, M.A.; SANCHEZ-CORRALES, V.M. e TRUJILLO-CAMACHO, M.E.. Characterization of TiO2/alginate screenprinting films. Rev. Mex. Ing. Quím [online]. 2014, vol.13, n.1, pp.227-236. ISSN 1665-2738.
In this paper we report the characterization of screen printing films formed by TiO2 and a natural polymer (alginate) supported on glass substrates; in order to take advantage of the adhesive/adsorbents biopolymer properties, achieve a better semiconductor dispersion and a better adhesion to the substrate. The analysis of this material was accomplished by structural characterization of chemical and optical films of TiO2/alginato composites prepared in a ratio 90/10 by weight, by employing techniques such as profilometry, XRD, SEM, EDS, FT-IR and UV-Vis. When applied to the removal of Methyl Violet 2B (MV-2B) and Safranin O dyes, these films exhibited the same performance as TiO2 alone.
Palavras-chave : photocatalysis; TiO2; alginate; screen printing.