室温离子液体的合成及应用

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1、昆明理工大学硕士学位论文室温离子液体的合成及应用姓名：李艳申请学位级别：硕士专业：有色金属冶金指导教师：华一新20050708的黏度，[bmim]BF4离子液体的流动性最好，BPBF4的次之，[bmiml[HS04]的流动性最差。关键词；室温离子液体、合成、电导率、电化学窗口、黏度UAmasterDissertationofKunmingUniversityofScienceandTechnologySynthesisandApplicationsofRoomT,perattIonicLiquidslemer

2、ature10niqUidSApplicant：Supervisor：Specialty：ResearchField：LiYanProf．HuaYi—XinNonferrousMetallurgyExtractionandSeparationScienceFacul≯∥MaterialsandMetallurgicalEngineeringKunmtngUniversityofscienceandTechnology，gunmtng650093，P．R．ChinaAbstractInthispaper，fou

3、rkindsofroomtemperatureionicliquids(RTIL)areprepared．Theirelectricconductivityandelectrochemicalwindow，whichplayanimportantroleintheapplicationsofionicliquidstoelectrodepositionandelectroplatingofactivemetals，aredetermined．TheintermediatesN-butylpyridiumchI

4、oride(BPC)and1-butyl-3·methylimidazoliumchloride([bmim]C1)forthesynthesisofionicliquidsarepreparedbythereactionsbetweenN·butylhalideandpyridiumorN-methylimidazolium．Acidic，basicandneutralBPC-AICl3ionicliquidsarepreparedbydirectlymixingBPCandAICl3withdiffere

5、ntratiosofBPCtoAICl3underinertatmosphere．ForotherionicliquidssuchasN-butylpyridiumtetrafluoride(BPBF4)，1·butyl一3一methylimidazoliumtetrafluoroborate([bmim]BF4)and1-butyl一3-methylimidazoliumhydrogensulphate([bmim][HS04])，theyaresynthesizedthroughanionexchange

6、reactionsinacetonitrilemedium．TheirchemicalstructuresaredeterminedIIIby1HNMR，IRandRamanspectra，respectively．TheelectrochemicalwindowoftheionicliquidssynthesizedismeasuredCyclicVoltammogram．ThechemicalpotentialwindowsoftheRTILspreparedare3．4V，4．0V，2．25V，3．1V

7、，2．2Vand2．2Vforacidic，neutralandbasicA1C13·BPC，BPBF4，【bmim]BF4and【bmim】【HS04】RTILsrespectively．Theelectrochemicalwindowsoftheseionicliquidsarebroaderthanofwater(1．229V)。SOsomeactivemetalssuchasaluminiumcanbcelectrolysedintheseionicliquids．Theelectricconduct

8、ivityoftheRTtLsismeasuredatdifferenttemperatures．Theelectricconductivityisincreasedwithincreasingtemperature．ItisshownthatthesequenceofelectricconductivitycanbeexpressedasKa>Kb>Ke>Kd>Kc>ICf，where，ca，Kb