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1、本科畢業(yè)論文（設(shè)計(jì)）1-乙基-3-甲基咪唑乳酸鹽離子液體的熱力學(xué)性質(zhì)研究Thestudyonthermodynamicpropertiesof1-ethyl-3-methyimidazoliumlacticacidionicliquidBohaiUniversity1-乙基-3-甲基咪唑乳酸鹽離子液體的熱力學(xué)研究摘要離子液體（ionicliquid）是指在室溫范圍內(nèi)(通常為100℃)呈現(xiàn)液態(tài)的完全由離子構(gòu)成的物質(zhì)體系，又稱(chēng)室溫離子液體(roomtemperatureionicliquids)。離子液體的最早報(bào)導(dǎo)可以追溯
2、到20世紀(jì)初。與傳統(tǒng)的溶劑相比離子液體具有如下特點(diǎn):(1)沒(méi)有顯著的蒸氣壓(2)具有良好的溶解能力。(3)具有良好的導(dǎo)電性。(4)具有較好的熱穩(wěn)定性和化學(xué)穩(wěn)定性。(5)易于與其他物質(zhì)分離，可循環(huán)利用。(6)制備簡(jiǎn)單。作為新型的綠色溶劑和環(huán)保電解質(zhì)，離子液體其具有良好的導(dǎo)電性、較低的熔點(diǎn)、寬闊的電化學(xué)窗口和可以忽略的蒸汽壓等多種優(yōu)點(diǎn)而廣泛的應(yīng)用于諸多領(lǐng)域。因此，離子液體的合成開(kāi)發(fā)與應(yīng)用越來(lái)越受到化學(xué)工作者的重視，已被廣泛地應(yīng)用于有機(jī)合成、分離、電化學(xué)和無(wú)機(jī)物的制備中。本文對(duì)離子液體的類(lèi)別、特性、發(fā)展歷史及應(yīng)用前景做了總結(jié)
3、，并以1-乙基-3-甲基咪唑乳酸鹽離子液體為研究對(duì)象,對(duì)離子液體熱力學(xué)性質(zhì)進(jìn)行研究。關(guān)鍵詞:離子液體;綠色溶劑;環(huán)保電解質(zhì);熱力學(xué)性質(zhì)-I-1-乙基-3-甲基咪唑乳酸鹽離子液體的熱力學(xué)研究Thestudyonthermodynamicpropertiesof1-ethyl-3-methylimidazoliumlacticacidionicliquidAbstractIonicliquidsisinthetemperaturerange(usuallyunderthe100℃)renderedentirelybythe
4、Ioniccompositionoftheliquidmaterialsystem,alsoknownasionicliquidsatroomtemperature.Earliestreportsofionicliquidscanbetracedbacktotheearly20thcentury.ComparedwithtraditionalsolventforIonicliquidhasthefollowingcharacteristics:Thefirst,thereisnosignificantvaporpres
5、sure.Thesecond,hastheabilityofdissolution.Thirdly,withgoodelectricalconductivity.Thefourth,hasgoodthermalstabilityandchemicalstability.Thefifth,itcanbeeasilyseparatedwithothermaterialandcanberecycled.Thesixth,ithasthepreparationofsimple.AsanewtypeofGreensolvents
6、andenvironmentallyfriendlyelectrolyte,ithasthegoodconductivity,lowmeltingpoint,wideelectrochemicalwindowandnegligiblevapourpressureofmanyadvantageswhichcanwidelyappliedtomanyotherareas.Sothesyntheticdevelopmentandapplicationsofionicliquidsincreasingattractedthea
7、ttentionofchemicalworkers,whichhasbeenwidelyusedinorganicsynthesis,separation,electrochemistryandpreparationofinorganiccompounds.Thisarticlecharacteristics,witchhasbeendothesummarytothedevelopmentofionicliquidsanditsapplicationprospectsanddotheresearchforthe1-et
8、hyl-3-methyllimidazoliumlacticacidionicliquidandthechemicalPropertyofionicliquid.Keywords:Ionicliquid;1-ethyl-3-methyllimidazoliulacticacidionicliquid;environmentally
