Aluminium-free lamellar mesostructured silicate obtained by liquid crystal templating in soft conditions

摘要

Since the breakthrough discovery by Mobil's scientists of new mesostructured materials obtained by liquid crystal templating in 1993, many research and publications have been devoted to the design of numerous aluminosilicates with controlled porosity and enhanced properties. Among the possible mesostructures obtained, the lamellar mesoporous materials have received very little attention compared to the hexagonal and cubic mesostructures. We report here some results of synthesis of lamellar silicate derived from a MCM-41-type preparation, obtained at low temperature and under atmospheric pressure.