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Propiedades térmicas y estructurales de películas compuestas por gelatina, montmorillonita y ácido tánico

Authors: J. Solorza Feria; D. Rodrigue; I. G. Ruiz Martínez;

Propiedades térmicas y estructurales de películas compuestas por gelatina, montmorillonita y ácido tánico

Abstract

A las formulaciones básicas de gelatina bovina (M1, M2 y M3), se les adicionó ácido tánico y nanoarcillas (montmorillonita), mientras que las muestras M4C, M5C y M6C fueron sus controles (sin ácido tánico ni nanoarcilla). Todas fueron sometidas a extrusión-calandrado para obtener peliculas. Estas se analizaron por termogravimetria de 45 hasta 800 °C. Ademas, se analizaron mediante espectroscopía infrarroja por transformada de Fourier (FTIR) en el modo de transmitancia entre 800 y 3800 cm-1. Se confirmó la naturaleza de reticulación de las formulaciones tratadas ya que se obtuvo una menor pérdida de peso al transcurrir la prueba. Sin embargo, en general, las interacciones complejas entre los parámetros examinados permitieron definir cierta tendencia para los dos grupos de muestras de películas. Los espectros de FTIR mostraron que varios tipos de grupos químicos participaron en las diferentes interacciones, tanto por efecto de las formulaciones de las muestras (control y tratadas) como el efecto del proceso de calandrado.

Keywords

estructura, compositos, análisis térmico, gelatina

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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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