Synthesis of MCM-48 Using Mixed Cationic−Anionic Surfactants as Templates

Abstract

Using a mixture of cetyltrimethylammonium bromide and carboxylate anionic surfactant (CnH2n+1COONa, n = 11, 13, 15, 17) as templates, siliceous MCM-48 is synthesized with low molar ratio (0.168:1) of mixed surfactants to silica and low concentration (5 wt %) of mixed surfactants.