Article | REF: N4203 V1

New multifunctional porous materials derived from wood

Authors: Alain CELZARD, Vanessa FIERRO, Antonio PIZZI

Publication date: November 10, 2012, Review date: March 28, 2024

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4. Gels

The term "gel" covers several possible definitions. The gels in question here are, at the time of synthesis, polymeric semi-solids whose nanometer-sized pores are filled with the solvent in which they were created . However, the term "gel" also applies to these same materials, which have been dried in such a way that the initially liquid-saturated pores are now freed and filled with air. It will then be necessary to specify whether we are talking about fresh gels (often referred to as "aquagels" or "alkogels", depending on whether they have been prepared in an aqueous or alcoholic solution, respectively), or...

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Gels