研究了以钼-醇配合物为催化剂,过氧化氢异丙苯为环氧化剂,乙醇为溶剂的丙烯一步氧化制环氧丙烷的反应.结果表明,用不同的二醇和不同醇/钼比制备的钼醇催化剂具有不同的催化性能和酸性,用乙二醇和丙二醇制备的催化剂,催化性能优于丁二醇制备的催化剂.考察了反应条件(温度、压力和时间)对环氧化反应活性的影响.在100℃,0.5 MPa的条件下反应2 h,过氧化氢异丙苯的转化率为65.0%,环氧丙烷的选择性为70.4%.并对丙烯的催化环氧化反应机理进行了讨论.
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