Abstract
AbstractThe synthesis of several organic, adsorptive, “replica gels” is described. The technique employs anhydrous silica gel particles as a parent matrix, within which is accomplished the polymerization of a liquid monomer or prepolymer. Following this polymerization the silica gel matrix is selectively dissolved and in this manner removed from the newly formed organic polymer. The adsorption characteristics of these capillary containing substances is given for water and several organic vapors, and the effect of hydrofluoric acid and sodium hydroxide, as matrix solvents, is described. A comparison of observed versus calculated pore volume is made. Absence of hysteresis effects in the adsorption characteristics is noted.
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