考察了高铜含量(最高达26.0%)且铜原子主要处于中孔骨架的Cu-MCM-41在苯/过氧化氢直接羟基化制备苯酚反应中的催化性能,研究了铜含量、催化剂用量、溶剂种类、反应物摩尔比、温度以及时间等对催化剂活性的影响. 结果表明,该催化剂在苯直接羟基化反应中具有良好的催化活性,在最佳反应条件下,可使苯转化率达52.9%, 苯酚选择性达58.9%, 苯酚收率达31.2%, 优于文献报道的低铜含量中孔分子筛的催化结果. 另外,从反应机理对影响反应的因素进行了初步探讨.
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