摘要
Structure evolution of hoth TEOS and colloidal silica in the sol-gel process was studied. Different growth mode is of polymer sols due to different precursors resul t in great difference on microstructure and pore size distribution of unsupported st 1 ica membranes.
Structure evolution of hoth TEOS and colloidal silica in the sol-gel process was studied. Different growth mode is of polymer sols due to different precursors resul t in great difference on microstructure and pore size distribution of unsupported st 1 ica membranes.