γ-Al_2O_3负载的Pd-Ni双金属催化剂催化合成γ-十一内酯  

γ-Al_2O_3 supported Pd-Ni bimetallic nanocatalysts for systhesis of γ-undecalactone

作　　者：周琳[1,2] 

机构地区：[1]合肥工业大学化学与化工学院,安徽合肥230009 [2]桐城师范高等专科学校理工系,安徽桐城231400

出　　处：《安徽工程大学学报》2015年第4期36-42,共7页Journal of Anhui Polytechnic University

基　　金：国家自然科学基金资助项目(21371044)

摘　　要：采用浸渍法制备了γ-Al2O3负载的Pd-Ni双金属催化剂(Pd-Ni(x∶y)/Al2O3;x∶y为Pd与Ni的质量比),并将其应用于合成γ-十一内酯的反应.所制Pd-Ni/Al2O3催化剂经过X射线衍射仪、X射线光电子能谱仪及场发射透射电子显微镜等检测手段分析,确认了Pd及Ni两种金属均匀地分布于载体γ-Al2O3之上.在催化反应中,考察了单(双)金属催化剂、反应温度、反应时间等因素对于反应的影响.Pd-Ni(1∶1)/Al2O3(PN-1∶1)催化剂展现出了最佳的催化性能,其催化的反应中γ-十一内酯的产率达到85%左右.In order to efficiently synthesizeγ-undecalactone,γ-Al2O3 supported Pd-Ni bimetallic catalysts（Pd-Ni（x∶y）/Al2O3;x∶y represents mass ratio of Pd and Ni）were prepared by impregnation method and used for synthesis ofγ-undecalactone.The catalysts were detected by X-ray photoelectron spectroscopy,X-ray diffraction and transmission electron microscopy,which demonstrated Pd and Ni were uniformly distributed on theγ-Al2O3.The catalytic ability was measured by different types of catalyst,temperature,time,etc.The PN-1∶1displayed extremely high catalytic activity,the yield ofγ-undecalactone reaching 85%.

关 键 词：Γ-十一内酯 XRD XPS TEM Pd-Ni(1∶1)/Al2O3 

分 类 号：O626.11[理学—有机化学]