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Salen-Mn催化剂的固载化及在环氧化反应中的应用研究

Immobilization of Salen-Mn and Its Application to Catalytic Epoxidation
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摘要 以HMS(NH2)、HMS-PAMAM(G0)、HMS-PAMAM(G1)、HMS-PAMAM(G2)为载体,采用化学接枝法合成了4种Salen-Mn固相催化剂;用红外光谱、热重分析和滴定分析等手段对其进行了表征,并考察了它们在反式二苯乙烯环氧化反应中的催化活性。结果表明随着HMS-PAMAM代数的增加,催化剂催化活性增强,转化频率降低,催化剂重复使用性能较好。 HMS（NH2）, HMS-PAMAM（G0）, HMS-PAMAM（G1） and HMS-PAMAM（G2） were separately used as the carriers for the immobilization of Salen-Mn and their applications in the epoxidation of E-stilbene were studied. The results showed that the catalytic activities increased by increasing HMS-PAMAM, but TOF reduced, the heterogeneous catalysts were stable and can be recycled. FT-IR, TG-DSC and titration were applied for the characterization of the catalysts
作者 周建波 曾明 廖慧英 崔小莹
机构地区 长沙医学院
出处 《精细化工中间体》 CAS 2014年第3期61-65,共5页 Fine Chemical Intermediates
基金 湖南省教育厅基金资助项目(13C0455)
关键词 HMS—PAMAM Salen—Mn 固载化 环氧化反应 HMS-PAMAM Salen-Mn immobilization epoxidation
分类号 O643.32 [理学—物理化学]
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参考文献10

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2014年 第3期

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