Abstract
Publisher Summary This chapter presents a comparison of 3-aminopropyisilane linked to MCM-41- and HMS-type silicas synthesised under biphasic and monophasic conditions. Functionalized mesoporous silicas prepared by either grafting by silylation of MCM-41 or by self-assembly co-condensation of organically functionalized silica precursors and silica precursor (RO) 4 Si in presence of nonionic surfactants feature different properties. Materials are characterized by N 2 sorption isotherms, Fourier transform infrared (FTIR), and magic angle spinning nuclear magnetic resonance (MAS-NMR). Imine formation during contacting the different samples with probes, such as acetone and benzaldehyde, demonstrate different environments of the anchored amine groups.
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