Article (Scientific journals)
Characterization of gels via solvent desorption measurements
Gommes, Cédric; Noville, Francis; Pirard, Jean-Paul
2007In Adsorption, 13 (5-6), p. 533-540
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Keywords :
desorption; drying; plastic deformation; capillary stress; gels
Abstract :
[en] The present paper shows how a standard volumetric adsorption device can be used to measure solvent desorption isotherms on gels. As gels are very soft materials, they shrink significantly during the measurement, and the data have to be analyzed in terms of the mechanical properties of the gel's skeleton. Methanol desorption isotherms are measured on a series of silica gels, and the results are compared with independent characterizations, notably beam bending.
Disciplines :
Chemical engineering
Materials science & engineering
Author, co-author :
Gommes, Cédric  ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée
Noville, Francis ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée
Pirard, Jean-Paul ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée
Language :
English
Title :
Characterization of gels via solvent desorption measurements
Publication date :
2007
Journal title :
Adsorption
ISSN :
0929-5607
eISSN :
1572-8757
Publisher :
Springer, United States
Volume :
13
Issue :
5-6
Pages :
533-540
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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