Synthesis of ordered lamella mesophase from helix layered silicate (HLS)

Abstract

The lamellar mesostructure was synthesized from helix layered silicate (HLS) using cationic surfactant of alkyltrimethylammonium salt. The structural ordering was affected by the several factors such as the amount of surfactant, pH of the suspension and hydrothermal condition. The hexagonal or cubic structure was not obtained, since the frameworks of HLS were composed with a significant amount of Q(4) species. The interplanar spacing can be tuned by the change of alkyl chain length of surfactant, and the intercalated surfactant molecules were easily removed by the repeated washing with EtOH.