以水玻璃为硅源,铝酸钠为铝源,以十六烷基三甲基溴化铵(C16H33(CH3)3NBr)为模板剂,在水热条件下合成出了Al-MCM-41介孔分子筛.研究了合成母液中SijO2:Al2O3摩尔比对合成Al-MCM-41的影响;合成过程中母液搅拌时间不同对样品孔序度的影响;以及铝引入到MCM-41骨架后,样品的水热稳定性评价.通过对样品的XRD表征和SAXS表征,得到如下结论:随母液中SiO2:Al2O3摩尔比的增加(30～50),Al-MCM-41分子筛孔容变大;母液搅拌时间越长,样品的孔序度越好;把铝引入到MCM-41骨架中,可有效改善MCM-41的水热稳定性.
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