%0 Journal Article
%T 纳米Ce1MgxZr1-xO2固体多相催化剂的制备、表征及催化合成四氢苯并[b]吡喃衍生物的性能
%A Sandip RATHOD
%A Balasaheb ARBAD
%A Machhindra LANDE
%J 催化学报
%P 631-636
%D 2010
%X ？AseriesofCe1MgxZr1-xO2mixedmetaloxideswithdifferentmolarratioswerepreparedbysimpleco-precipitationandwerecharacterizedbyX-raydiffraction,infraredspectroscopy,scanningelectronmicroscopy,energydispersivespectroscopy,temperature-pro-grammeddesorptionofCO2,andN2adsorptiontechniques.Thepreparedmaterialsweretestedforcatalyticactivitybythesynthesisoftet-rahydrobenzo[b]pyranderivativesusingathreecomponentreaction(aromaticaldehydes,malononitrile,anddimedone)inanethanolme-dium.ThebestcatalyticactivitywasobtainedwithCe1Mg0.6Zr0.4O2.TheparticlesizeorcrystallitesizewasestimatedusingtheDe-bye-Scherrerequation.Theadditionofmagnesiumoxideintotheceria-zirconialatticeresultedintheformationofnanosizedparticlesrang-ingfrom5.41to9.78nm.Thisworkdescribesthecatalyticbehaviorofmagnesiumoxideinmixedmetaloxidesystems.
%K Ce1MgxZr1-xO2
%K magnesiumoxide
%K co-precipitation
%K nanosizedmaterial
%K tetrahydrobenzo[b]pyran
%U http://www.chxb.cn/CN/abstract/abstract17405.shtml