3,4-乙撐二氧噻吩的合成研究.pdf

1、分類號密級UDC注1學(xué)位論文3，4一乙撐二氧唾吩的合成研究(題名和副題名)王妓(作者姓名)指導(dǎo)教師姓名唐先忠教授電子科技大學(xué)成都(職務(wù)、職稱、學(xué)位、單位名稱及地址)申請專業(yè)學(xué)位級別碩士專業(yè)名稱應(yīng)用化學(xué)論文提交日期2008.2論文答辯日期2008.3學(xué)位授予單位和日期電子科技大學(xué)答辯委員會主席評閱人2008年月日注1:注明《國際十進分類法UDC》的類號。ABSTRACTABSTRACTPoly(3，4一ethylenedioxythioP

2、hene)(PEDT)15oneoftheimPtanteonductingPolymers，whieheanbedoPedwithPoly(styrenesulfonieacid)(PSS)toPreParePEDTPSSmultiPlefilms.ThiskindoffilmsPossesseshighconduetance(105cm)visiblelighttrans而ssion，strongmeehaniealintensit

3、yandexeellentstability，farthermore，whieh15easytobemanufactured.Reeently，thePolymerhasbeenabletodeveloPsueeessfullytheaPPlieationofsolideleetrolyteeaPaeitsandantistatieeoatingsonPlastie.Inaddition，itcanalsobeaPPliedinfar一

4、rangingfields，suehasthrough一holePlatingofPrintedeircuitboard，Photodiodes，solarbatteries，sensors，electromagnetismmaterials，ete.However，thesynthesisof3，4一ethylenedioxy一thioPhene(EDOT)，asthemonomerofPEDT，15verydiffieult，whi

5、eheansesthehighPrieeofEDOT.Nowadays，alltheEDOTusedinChinaareimPorted，whieh11而tstheaPPlicationofPEDT.Henee，it15signifieantteducetheeostandimProvethesynthetieProceduresofEDOT.InthisPaPer，wefoeusonthesynthesismethodstechniq

6、uesofEDoTThesynthesisofEDOT15adoPtedafive一stePsynthesismethodofJonas，whichineludesesterifieation，eyclization，aetherexehanging，hydrolyzationanddeearboxylation.ThelaststeP，deearboxylation，15thekeystePftheyieldofEDOT.Theoth

7、erfourstePsareeasyintheirsynthesisreaetionsandshouldProdueethehighyieldswithabove80%，whieh15agreementwiththemass一Producing.However’thedeearboxylationreaction15verydiffieultduetothereactioneonditionsare50hard，anduPtonow，t

8、hehighestyieldofthisreaetion15only60%.BasedonalargeamountofexPeriments，severalkindsofcatalystsandsolventsareehangedinthisPaPeLUsingZ，5一dicarboxylic3，4一ethylenedioxythioPheneastherawmaterial，thesynthesisteehnology15imProv

9、edbyusingorthogonalexPerimentaldesigntogettheoPtimalteehnologicParameters.UndertheoptimaltechnologiePar田舊eters，theyieldofEDOT15increasedto85%，whieh15imProved25%comParedwithrePorting:thePurityofEDOT15above99%:thereactivet