SO42--TiO2固體超強(qiáng)酸的制備及應(yīng)用.pdf

1、南京工業(yè)大學(xué)碩士學(xué)位論文SO42TiO2固體超強(qiáng)酸的制備及應(yīng)用姓名：嚴(yán)冬瑩申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：王濟(jì)奎；王錦堂200706碩士學(xué)位論文ABSTRACTThepapers啪m撕zedS04玉／MxOYiIlcreasillgextensiVeusesduetotheiruniqueacidity，highactivi哆，highselectiVi夠iIlo唱anicreactionsinrecentyearsTheyc

2、anahnostcatalyzeallreactionswhichcaIlbecatalyzedbyacidiccatalystsaIldbehavinghi曲erreactionacid時(shí)，betterselectiV時(shí)S042／Ti02solidsuperacidhaSbeenfouIldtobeuse如lcatalystinaVarietyoforganicreactionsSolidsuperacidS042’／Ti02waSm

3、adebynanometerTi02，tlles觚cn鵬s，particlesize，surfacearea，changesofprofileaIldtheacidi哆ofnaIlometersolidsuperacidSweredetemlineda11da11alyzedby取，TEM，X】爻Da11dacidiIldicatorWealsoprelimin撕lystudiedthecatal”icmechallismofnaIlo

4、metersolidsuperacidSAniIlfluenceofS042／Ti02preparatoD，processonitScata研icpropertieswaSpreliIninarilyinvest嚕atedbyusingHammettindicatorItwaSfourm也attlles鋤plehasmemostacids打en舀haIldcatalyticactiVationattlleconditionoft11ef

5、0110ws：H2S04concentrationis10mol／L，calcinationstempe咖reis500℃，andcalcinationstiIneis3hourS111enallo—gradeS04z／Ti02solidsuperacidpreparedhadthes仃ongeStacids仃ength，HoSl450TheallantionwaSsⅥIthesiszed行ommematerialofcarbamide

6、andetllylalaldehydicacidthrou曲thecatalystofsoIidsuperacideS04z／Ti02Thetecllll0109yparametersfortheprocessareachieved：c打b吼idetoemylaldhydicaidis35：l，atalystis3％’hereactiontemperatureis80℃，andmeresultis654％Usingt11esolidsu

7、peracideS042／Ti02aScatalySt，7，1l，18，21一tetraoxatrispiro[522522】hencicosanewaSpreparedbycondensationofcycloheXaIlonewi也pentaerytⅢ01Ttleconditionsofpreparationhavebeendiscussedneyieldismore也aIl80％3，9Diphenyl2，4，8，10—tetrao

8、xaspiro[55】undecanecondensationofbenzaldehydewithpentaeryd塒olw油thesolidsuperacideLaS042／Ti02，tlleyieldwaSVe巧hi曲andithadgoodreactionpreferenceTheeffectsofreactiontime，reactiontemperature，memolarratioofbomeoltoaceticacid，也