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Sol-gel derived mesoporous and microporous alumina membranes
Stable polymeric and colloidal boehmite sols were prepared by sol-gel process through controlled hydrolysis/condensation reactions. The particle sizes of the colloidal sols were in the 12-25 nm range depending on the process ...
Preparation of particulate/polymeric sol-gel derived microporous silica membranes and determination of their gas permeation properties
Monodisperse silica sols with well-defined spherical particles ranging in size from 5 to 310 nm were prepared through Stober process. Both particulate and polymeric sol-gel routes were employed for the preparation of stable ...