Abstract
The synthesis of glasses from gels has recently aroused considerable interest both from the theoretical and practical standpoint. The conditions of gel formation which determine the structure of the wet gel are first examined. During the drying process, which is a decisive step in the obtention of monolithic gels, an essential role is played by capillary forces. It is shown that, among the various methods of obtaining monolithic gels, that based on the hypercritical evacuation of the solvent is the most reliable.
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Zarzycki, J., Prassas, M. & Phalippou, J. Synthesis of glasses from gels: the problem of monolithic gels. J Mater Sci 17, 3371–3379 (1982). https://doi.org/10.1007/BF01203507
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DOI: https://doi.org/10.1007/BF01203507