導(dǎo)電聚苯胺的合成、摻雜、表征及其若干相關(guān)性質(zhì)的研究.pdf

1、中南工業(yè)大學(xué)博士學(xué)位論文導(dǎo)電聚苯胺的合成、摻雜、表征及其若干相關(guān)性質(zhì)的研究姓名：楊春明申請學(xué)位級別：博士專業(yè)：冶金物理化學(xué)指導(dǎo)教師：方正19991001中南工業(yè)大學(xué)博士學(xué)位論文AbstractStudiesontheSynthesis，Doping，CharacterizationandRelatedPropertiesoftheConductingPolyanilineABS’I’RAC’rPolyanilinehasbecomeon

2、eofthemostpromisingconductingpolymersduetoitscheapmaterial，simplepreparationandgoodenvironmentalstabilityespeciallyitsuniqueprotonicaciddc)pingmechanismInthispaperthechemicaloxidativepolymerizationofpolyaniline，thedoping

3、reactionswithprctomcacidsandrareearthchlorides，thethermaldecompositionkineticsofproducts，andotherrelatedpropertiesofpolyanilinehavebeenthoroughlyinvestigatedFirst，polyanilinewassynthesizedbythemodifiedchemicaloxidativepo

4、lymerizationinhydrochloricacidandthendedopcdwitllammomatoobtainitsintrinsicalstate(Upan)Thelatterwasredopedwithhydrochloricacidandothers，suchasthose4methylbenzenesulfonicacid(TSA)，4dodecylbenzenesulfonicacid(DBSA)，campho

5、rsulfonicacid(CSA)andsulfo—salicylicacid(SSA)toobtainDpan／HCl，andDpan／TSA，Dpan／DBSA，DpanlCSAandDpan／SSA，respectivelyTheircompositionswerecharacterizedbyelementalanalysisandFT—IRspectroscopyandtheelectricalconductivityatr

6、oomtemperatureandelectronspinresonance(ESR)spectraweredeterminedTherelationshipbetweentheelectricalconductivityandelectronspinconcentrationhasbeenfirstfoundtobe：NE=241x10”554x10‘20／(1exp(510256O))sping_‘Basedontheinvesti

7、gationoftheeffectofthermaltreatmentontheelectricalconductivityitvcasfoundthattheelectricalconductivityofthedopedsamplesincreaseswithtemperaturewheninanadequatetempemturerangeTheinherentviscosityoftheintrinsicalpolyanilin

8、eWasmeasuredinconcentratedsulfuricacidFurthermorethequantumchemistrymethod(1NDO)Wasemployedtocalcdatethechargedistributionofintrinsicaianddopedpolyanilinemolecularchainsandtheresultsshowthatthechargeisdelocalizedalongthe