polymers and organics; sol-gels xerogels; adsorption; porosity
Abstract :
[en] Microwave drying was used to prepare resorcinol-formaldehyde aqueous gels, without performing any pretreatment, and to see whether it was possible to use this drying option to obtain porous carbon xerogels with controlled textural properties. By using microwave drying, the process for obtaining carbon gels is greatly simplified, textural properties are controlled likewise with other drying methods, but the time involved in the process is significantly reduced and no pretreatment is necessary. Therefore, microwave drying could help to simplify the carbon xerogels synthesis and reduce the associated costs. (C) 2008 Elsevier B.V. All rights reserved.
Disciplines :
Materials science & engineering
Author, co-author :
Zubizarreta, Leire; Instituto Nacional del Carbon (Oviedo, Espagne)
Arenillas, Ana
Menendez, J. A.
Pis, José Juan
Pirard, Jean-Paul ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Génie catalytique
Job, Nathalie ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Génie catalytique
Language :
English
Title :
Microwave drying as an effective method to obtain porous carbon xerogels
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Bibliography
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Zubizarreta L., Arenillas A., Domínguez A., Menéndez J.A., and Pis J.J. J. Non-Cryst. Solids 354 (2008) 817
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