Material catalítico con estructura mesoporosa conteniendo galio, adsorción y polimerización de anilina.
Date
2018
Journal Title
Journal ISSN
Volume Title
Publisher
Univesidsad Tecnológica Nacional.
Abstract
En este trabajo estudiamos la polimerización de anilina sobre el galosilicato mesoporoso del tipo Ga-SBA-3.
Este material fue expuesto a vapores de anilina en equilibrio para obtener hospedajes saturados. La adsorción
de anilina sobre estos materiales, sintetizados en nuestro laboratorio se estudió por espectroscopia infrarroja.
La adsorción de anilina fue evaluada para luego polimerizar la anilina adsorbida para generar un composite de
polianilina-hospedaje y obtener composites con propiedades únicas. Composites de polianilina, obtenidos por
técnicas de polimerización in-situ, fueron caracterizados por espectroscopia infrarroja (FTIR), y difracción de
rayos X (XRD). Los análisis FTIR del composite polianilina/Ga-SBA-3 (PANI/Ga-SBA-3) muestra bandas
características de acuerdo a datos obtenidos en trabajos previos atribuidas al stretching quinoidal (N=Q=N) y
al stretching C-C de anillo bencénico. Los análisis de XRD muestran que la polianilina está dentro de los
canales del hospedaje.
Palabras clave: Galosilicato, Ga-SBA-3, anilina, polianilina, PANI/Ga-SBA-3
In this work we study the aniline polymerization onto mesoporous galliumsilicate -Ga-SBA-3-. The adsorption of aniline on Ga-SBA-3 material synthesized by us has been characterized by infrared spectroscopy analysis. The aniline adsorption on Ga-SBA-3 has been evaluated in order to allow the in-situ polymerization to generate an aniline-host composite with new properties. Polyaniline/Hosts (PANI/Hosts) composites, obtained by an in-situ polymerization technique, have been characterized by infrared spectroscopy, and X-ray diffraction (XRD) analysis. The FTIR analysis of polyaniline/Ga-SBA-3 (PANI/Ga-SBA-3) composite shows the characteristic bands ascribed to quinoid stretching (N=Q=N) and C-C ring stretching. The XRD analysis showed that the polyaniline is confined in the host channels
In this work we study the aniline polymerization onto mesoporous galliumsilicate -Ga-SBA-3-. The adsorption of aniline on Ga-SBA-3 material synthesized by us has been characterized by infrared spectroscopy analysis. The aniline adsorption on Ga-SBA-3 has been evaluated in order to allow the in-situ polymerization to generate an aniline-host composite with new properties. Polyaniline/Hosts (PANI/Hosts) composites, obtained by an in-situ polymerization technique, have been characterized by infrared spectroscopy, and X-ray diffraction (XRD) analysis. The FTIR analysis of polyaniline/Ga-SBA-3 (PANI/Ga-SBA-3) composite shows the characteristic bands ascribed to quinoid stretching (N=Q=N) and C-C ring stretching. The XRD analysis showed that the polyaniline is confined in the host channels
Description
Keywords
Galosilicato, Ga-SBA-3, Anilina, Polianilina, PANI/Ga-SBA-3
Citation
CICAT 2028, 50 Aniversario- XXVI Congresso Ibero-Americano de Catálise.
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