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Air-Liquid Foams, Concentrated Direct Emulsion and Soft Chemistry Toward Hierarchically Organized Porous Silica Monoliths

Published online by Cambridge University Press:  01 February 2011

F. Carn ,
A. Colin ,
M.-F. Achard  and
R. Backov
F. Carn
Affiliation:
Centre de Recherche Paul Pascal CNRS UPR 8641, 115 Ave Albert Schweitzer, 33600 Pessac, France
A. Colin
Affiliation:
Laboratoire du Futur, UMR CNRS-Rhodia FRE2771, IECB, 2 rue Robert Escarpit, 33607 Pessac, France. [email protected]
M.-F. Achard
Affiliation:
Centre de Recherche Paul Pascal CNRS UPR 8641, 115 Ave Albert Schweitzer, 33600 Pessac, France
R. Backov
Affiliation:
Centre de Recherche Paul Pascal CNRS UPR 8641, 115 Ave Albert Schweitzer, 33600 Pessac, France
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Abstract

Hierarchically organized matter appears today a strong and highly competitive field of research mainly induced by the wide scope of applications expected. In this context, chemistry of shapes appears as a strong interdisciplinary field of research combining soft chemistry and soft matter. Hierarchical inorganic porous monoliths can be obtained using either air-liquid foams or biliquid foams as macroscopic patterns while lyotropic mesophases are employed to promote porosity at the mesoscale. By controlling the air-liquid foam's water liquid fraction or the emulsions oil fraction we can design the inorganic porous texture at the macroscale (i.e. cell sizes and shapes as well as the Plateau borders thickness). Those stategies lead to the formation of materials with characteristics that resemble aerogels.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 847: Symposium EE – Organic/Inorganic Hybrid Materials , 2004 , EE3.6
Copyright
Copyright © Materials Research Society 2005

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References

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