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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2017
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2017
License: CC BY NC ND
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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XEROGELES RESORCINOL-FORMALDEHÍDO: POROSIDAD Y QUÍMICA SUPERFICIAL A MEDIDA

Authors: Díaz Alonso-Buenaposada, Isabel;

XEROGELES RESORCINOL-FORMALDEHÍDO: POROSIDAD Y QUÍMICA SUPERFICIAL A MEDIDA

Abstract

La principal ventaja que presentan los xerogeles orgánicos y de carbono reside en que su porosidad puede ser diseñada a medida para la aplicación en la que se quieran utilizar estos materiales. A pesar de las ventajas que ambos materiales presentan, la mayoría de las aplicaciones se centran en el uso del xerogel de carbono, y deja en un segundo plano a su homólogo orgánico. Sin embargo, este último es un producto mucho más barato ya que no requiere de tratamientos a altas temperaturas. Además, en los últimos años se ha desarrollado y optimizado la utilización de la tecnología microondas en la síntesis de estos materiales permitiendo así su producción de forma económica a nivel industrial e incrementando así su atractivo para ser utilizados directamente en cualquier aplicación. En la presente Tesis Doctoral, se ha estudiado el efecto de la proporción de metanol de la disolución de formaldehído como nueva variable a tener en cuenta a la hora de diseñar las propiedades porosas de estos materiales a medida de la aplicación. Además, se han estudiado las ventajas e inconvenientes que presenta la utilización de catalizadores básicos o ácidos en la disolución precursora del material. Sin embargo, no sólo las propiedades porosas repercuten sobre la aplicabilidad de estos materiales, sino que su química superficial también juega un papel relevante en este aspecto. Por este motivo, se ha estudiado y modificado la naturaleza química de la superficie de estos materiales para la obtención de xerogeles orgánicos hidrófilos, hidrófobos y superhidrófobos, a través de diferentes tratamientos. Los resultados obtenidos de estos estudios permiten poder diseñar las propiedades porosas y químicas de los materiales finales obtenidos. Finalmente, este control de las propiedades ha permitido evaluar su utilización diferentes aplicaciones.

Tesis doctoral por el sistema de compendio de publicaciones

Related Organizations
Keywords

porosidad, Materiales, química superficial, Análisis de polímeros, mesoporos, Radioondas y microondas, desecante, microporos, xerogel

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selected citations
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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).
BIP!Citations provided by BIP!
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.
BIP!Popularity provided by BIP!
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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