以异丙醇铝、硅酸四乙酯和十六烷基三甲基溴化胺为原料,以乙酰丙酮为螯合剂,采用溶胶-凝胶法合成了硅铝比分别为25, 50, 100和150的介孔硅铝分子筛,并用其催化苯酚与1-辛烯的液相烷基化反应. X射线衍射、 N2吸附、高分辨透射电镜及 27Al 核磁共振光谱表征结果表明,该介孔分子筛具有蠕虫状骨架结构. 在160 ℃时,硅铝比为25的介孔硅铝分子筛催化剂上苯酚可以完全转化为单烷基苯酚.
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