糖類模板下介孔氧化鋁的合成、表征及其催化應(yīng)用研究.pdf

1、糖類模板下介孔氧化鋁的合成、表征及其催化應(yīng)用研究(申請中國石油大學(xué)工學(xué)博士學(xué)位論文)華東學(xué)科專業(yè)：研究方向：博士生：指導(dǎo)教師：化學(xué)工程與技術(shù)吸附與催化新材料許本靜閻子峰(教授)2006年10月中國石油大學(xué)博士學(xué)位論文Synthesis，CharacterizationandCatalyticApplicationofMesoporousAluminaTemplatedbySaccharidesAbstractInthispaper，me

2、soporousaluminawassynthesizedusingsaccharidecompoundsastemplatesTheinfluenceofpHvalue，theamountsofH20andtemplate，temperatureandstirringtimeWasinvestigated，andtheeffectoftheaddingofsurfactantwagalsoexaminedTheproductswere

3、characterizedusingXraydiffraction(XRD)，thermalanalysis，transmissioneleclxonmicroscopy(TEM)，MASNMRandN2sorptionmethodsMeseporousaluminacanbeobtainedusingglucose，sucrose，starchand[3cycledextrinasstructure—directingtemplate

4、s，andthemolecularsizeofthetemplateshasagreateffectONthephysicalpropertiesofproducts，andthetemplatingformationmechanismwastentativelypostulatedThepropertiesofproductswereinfluencedbytheinitialpHvalueofthesystem，butnoobvio

5、ustrendwasfound；Surfaceareag，porevolumesandporediametersincreasedwiththeincreuseoftemperatureandtheamountofH20Orglucose，andthenkeptstableButthepropertiesofproductswerehardlyaffectedbystirringtimeTheaddingofdifferentkinds

6、ofsurfactantstothesystemhasasignificantinfluenceonthepropertiesofproductswhichindicatedthatsurfactantandglucoseinteraetwitheachotherTheporesizeanddistributionofproductwereincreasedaftertheadditionofsurfactantMesoporousal

7、uminawithdouble—sizeporedistributioncouldbepreducedaftertheadd“ionofnonionicsurfactant(P123)，atthesametime，theporevolumeofproductcouldalsobeincreasedsharplyThebi—templatingmechanismofglucoseandP123andsynergeticenwrapping

8、templatingmechanismofglucoseandionicsurfactantswereproposedMesoporousaluminacanbepreparedusingAI小03)3and‘a(chǎn)cid—basepair’aluminumspeciesasaluminumsourceinthepresenceofsaccharidecompoundsForAI(NOs)sasaluminumsource，themolec