Abstract
A recent explosion in research of silica gels has been stimulated by prospects of glass preparation at temperatures significantly lower than temperatures of conventional melting and by opportunities to prepare unusual glasses which cannot be produced by melting (1,2). Dried gels represent highly porous structures which can be sintered to monolithic glasses at temperatures below the liquidus. Two types of sol-gel glass preparation have emerged: 1) hydrolysis and polymerization of alkoxides (1,2), and 2) gelation of colloidal sols, which includes dispersion of a powder in water, drying, redispersion, gelation, drying and sintering (2–5). In both cases the size and mutual distribution of pores are very important for processing after gelation: drying and sintering. Mercury porosimetry (6–8) provides information about pore size distribution. This paper deals mainly with methodological problems of gel study by this method.
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© 1985 Plenum Press, New York
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Rabinovich, E.M., Poulsen, S.D. (1985). Mercury Porosimetry of Dry Silica Gels. In: Snyder, R.L., Condrate, R.A., Johnson, P.F. (eds) Advances in Materials Characterization II. Materials Science Research, vol 19. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-9439-0_25
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DOI: https://doi.org/10.1007/978-1-4615-9439-0_25
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