supercritical drying of a gel

https://doi.org/10.1351/goldbook.ST07636
Drying of a gel using a supercritical fluid.
Note: Since liquid and vapour are indistinguishable in a supercritical fluid, there is no capillary pressure to cause shrinkage and cracking of the pores formed in the gel.
Source:
PAC, 2007, 79, 1801. (Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)) on page 1826 [Terms] [Paper]
Citation: 'supercritical drying of a gel' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.ST07636 RIS BibTex EndNote
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