质子型离子液体NN二甲基乙醇胺丙酸盐的密度、粘度及电导率

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1、万方数据October物理化学学报(WuliHuaxueXuebao)ActaPhys．一C佟砌，Sin．2013，29(10)，2157-21612157[Article】doi：10．3866／PKU．WHXB201307293WWW．whxb．pku．edu．cn质子型离子液体MM二甲基乙醇胺丙酸盐的密度、粘度及电导率李长平1李琢L3邹本雪2刘青山2'‘刘晓霞2’’(1大连大学环境与化学工程学院，辽宁大连116622；2东北大学化学系，沈阳110819；3大连海洋大学理学院，辽宁大连116023)摘要：在283．15-333．15K温度范围

2、内，测量了质子型离子液体N，N---甲基乙醇胺丙酸盐(DMEOAP)的密度、粘度及电导率．讨论了温度对密度、粘度和电导率等物理化学参数的影响．通过经验和半经验方程得到了该离子液体的热膨胀系数、分子体积、标准摩尔熵及晶格能等热力学性质参数．由电导率和密度计算出了该离子液体的摩尔电导率．利用Vogel-Fulcher-Tamman(VFT)方程，将测量的动力粘度和电导率对温度拟合，得到了动力粘度和电导率随温度变化方程式．并通过Walden规则，建立了粘度与摩尔电导率之间的联系．关键词：质子型离子液体：密度：粘度：电导率中图分类号：0642Densit

3、y,ViscosityandConductivityofProticIonicLiquidN,N-DimethylethanolammoniumPropionateLIChang-Pin91LIZhu01t3ZOUBen-Xue2LIUQing-Shan21LIUXiao-Xia21+(1CollegeofChemicalEngineeringandEnvironment,Dalian渤ive邶魄Dalian116622，LiaoningProvince，PR．China；ZDepartmentofChemistry,NortheasternUn

4、iversity,Shenyang110819,PR．China；3SchollofSciences，DalianOceanUniversity,Dalian116023．LiaoningProvince,PR．China)Abstract：丁hedensitKviscosity,andconductivityofproticionicliquid(PIL)馗N-dimethylethanolammoniumpropionate(DMEOAP)weredete}rminedinthelemperaturerangeof283．15—333．15K

5、．Theinfluenceoflemperatureondensity。viscosity。andconducUvityiSdiscussed．ThethermaIexpansioncoe俪cient，molecularvolume。standardmolarentropy，andlatticeenergyofDMEOAPwerecalculatedusingempiricalandsemiempiricalequations．ThemolarconductivityofDMEOAPwasdeterminedfromdensityandcondu

6、ctivitydata．ThetemperaturedependenceofviscosityandconductivitydatawasfltcedusingtheVogel-Fulcher-Tammann(VFT)equation．TherelationshipbetweenmolarconductivityandviscositywasdeterminedbytheWaldenrule。KeyWords：Proticionicliquid；Density；Viscosity；Conductivity1IntroductionNowadays

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