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2008•Journal of Northwest Normal UniversityRequires access

Synthesis and characterization of phenyl-functionalized MCM-48

Hui Chen

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Abstract

The phenyl-functionalized MCM-48 material(C6H5-MCM-48) has been synthesized by the co-condensation of tetraethoxysilane and phenytrimethoxysiliane by using cetyltrimethylammonium bromide as templating agent under alkaline reaction conditions.The materials before and after functionalization are characterized by SAXRD,FT-IR,TGA and N2 adsorption-desorption.The results show that the MCM-48-type inorganic/organic composite with gyroid structure has been prepared and the material has narrow pore-size disrtribution,high surface area and large mesopore volume.

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What this paper is about

The phenyl-functionalized MCM-48 material(C6H5-MCM-48) has been synthesized by the co-condensation of tetraethoxysilane and phenytrimethoxysiliane by using cetyltrimethylammonium bromide as templating agent under alkaline reaction conditions.The materials before and after functionalization are characterized by SAXRD,FT-IR,TGA and N2 adsorption-desorption.The results show that the MCM-48-type inorganic/organic composite with gyroid structure has been prepared and the material has narrow pore-size disrtribution,high surface area and large mesopore volume.

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Available abstract

The phenyl-functionalized MCM-48 material(C6H5-MCM-48) has been synthesized by the co-condensation of tetraethoxysilane and phenytrimethoxysiliane by using cetyltrimethylammonium bromide as templating agent under alkaline reaction conditions.The materials before and after functionalization are characterized by SAXRD,FT-IR,TGA and N2 adsorption-desorption.The results show that the MCM-48-type inorganic/organic composite with gyroid structure has been prepared and the material has narrow pore-size disrtribution,high surface area and large mesopore volume.

Key concepts: MCM-41, Gyroid, Bromide, Mesoporous material, Surface modification, Adsorption, Condensation, Desorption

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