有機(jī)-無機(jī)雜化介孔硅基吸附材料的合成及應(yīng)用研究.pdf

1、大連理工大學(xué)博士學(xué)位論文有機(jī)無機(jī)雜化介孔硅基吸附材料的合成及應(yīng)用研究姓名：李俊寧申請學(xué)位級別：博士專業(yè)：化學(xué)工藝指導(dǎo)教師：劉長厚齊濤20080601有機(jī)一無機(jī)雜化介孔硅基吸附材料的合成及應(yīng)用研究SynthesisandApplicationsofOrganicInorganicHybridMesoporousSilica—basedAdsorptionMaterialsAbstractInrecentyears，organicinorg

2、anichybridmesoporoussilicabasedmaterials謝n111i曲surface‘a(chǎn)rea1argeporevolumeandadjustableporesizehaveattractedmuchattentionacrosstheworld，becausetheyarepromisingincatalyst，adsorption，controlleddilevery，energystorageandconv

3、ersation，chemicalsensors，etcTheresearchonthesynthesisandapplicationofmesoporoussilicabasedfunctionalmaterialsisoneofthefocusesinchemistry，materialsscience，physicsandlifescienceWiththegrowingrequirementfornaturalresources

4、，moreemphasisiSlaidonsustainabledevelopmentandenvironmentalprotectionTherefore，therecoveryandreuseofmetalsinwastewatersiSadvantagoustomakefulluseofmetalresourcesandeliminatepollutionAdsorptiontechniqueiSregardedasaneffec

5、tiveandenvironmentalbenignrouteformetalrecoverySoadsorbentswithexcellentseparationperformancearetheaimofmanyresearchactivitiesTheworkdescribedinthisdissertationiSfocusedonthesynthesisandcharacterizationoforganicinorganic

6、hybridsilicamaterialsandsurfacemodificationoftheorderedmesoporoussilicaTheadsorptionpropertiesofthesynthesizedmaterialsformetalions，especiallyforpreciousmetalionsareinvestigatedPeriodicmesoporousorganosilicas(PMOs)witlld

7、ifferentcontentof14diureylenebenzenefunctionalgroup(O～15％)immobilizedinthesilicafiameworkweresynthesizedunderbothacidandbaseconditions，withE020P070E020(P123)andcetyltrimethylammoniumbromide(CTAB)astemplates，respectivelyI

8、tisfoundthatthePM0spreparedunderacidconditionpossesstwo—dimensionalhexagonalcylindricalmesoporousstructureThehydrogenbondinteractionwasdetectedbetweentheureylenegroupsinthesilicawallandtheinteractionbecomesstrongerwithth

9、eincreasingcontentoftheureylenegroupPM002exhibitsuniform“rodlike”morphorlogyThePM0ssynthesizedinbasicsolutionexhibithighsurfaceareaand“worm—like”hierarchicalmesoporousstructurePMOsdemonstrategoodadsorptionperformanceforA

10、u(III)inacidicsolutionsMoreover，the“worm—like”hierarchicalmesoporousstructuremakemoreorganicgroupsemposetOporesurface，whichiSreadytobeaccessedbyAu(III)Therefore，thePMOssynthesizedunderbasicconditionhavelargeradsorptionca