Synthesis of Si-MCM-48 membrane by solvent extraction of the surfactant template
作者： Hua Ji , Yiqun Fan , Wanqin Jin , Changlin Chen , Nanping Xu
DOI: 10.1016/J.JNONCRYSOL.2007.11.011
关键词:
摘要: Mesoporous MCM-48 silica membranes have been synthesized on porous supports under hydrothermal conditions, using tetraethyl orthosilicate (TEOS) as silica source, cetyltrimethylammonium bromide (CTAB) as template surfactant. And then the templates were removed by solvent extraction instead of calcination. The results of the TG and FT-IR showed that the solvent of 1M HCl/EtOH solution was feasible to extract the templates in the MCM-48 materials and over 90% of the templates were extracted at room temperature for …
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