The aminopropyl-functionalized ethane-bridged bifunctional periodic mesoporous organosilicas (APEPMOs) were synthesized by the co-condensation of 1,2-bis (triethoxysilyl) ethane and 3-aminopropyltriethoxysilane in the presence of cationic surfactants octadecyltrimethylammonium chloride in basic medium. The pores of the APEPMOs were expanded with N,N-dimethyldecylamine and
Journal of separation science, 35(20), 2685-2692 (2012-09-26)
A stationary phase (named QA C10) with quaternary ammonium embedded between a propyl and a decyl chain was synthesized by immobilization of N,N-dimethyldecylamine on chloropropyl-silica surface. A set of representative neutral, basic, and acidic compounds was employed to evaluate its
Monodisperse phenylene-bridged organosilica spheres show great potential as chromatographic stationary phase. In this paper, the tunable particle size of monodisperse phenylene-bridged organosilica spheres were prepared by co-condensing different proportion of 1,4-bis(triethoxysilyl)benzene (1,4-BTEB) and tetraethylorthosilicate (TEOS), and then pore size was
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