Scaling and branching in wet sonogels as a function of the volume fraction of the liquid phase.


The structural properties of wet silica sonogels prepared with different volume fractions of the liquid phase were studied by small-angle x-ray scattering (SAXS) and thermogravimetry (TG). The SAXS intensity curves of aged wet gels were all found to be well fitted by the form factor for scattering from non-randomly branched polymers in solution. The radius… (More)
DOI: 10.1088/0953-8984/21/20/205104


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