分别采用比重瓶、乌氏黏度计和DSC等设备实验测定了不同浓度的离子液体[mmim]DMP-甲醇溶液在293.15~353.15 K温度范围内的密度、黏度和定压比热容.结果表明:其密度、黏度均随离子液体含量的增大而增大,随温度的升高而降低,而比热容却相反;密度与温度的函数关系符合经典线性经验方程式;黏度可采用Arrhenius-like方程很好地关联预测;采用经验方程式对定压比热容随温度、摩尔分数的变化趋势进行了拟合与关联,相关系数可达0.9983.
参考文献
[1] | 蒋小川,于春影,冯婕,李春喜,王子镐.离子液体1-丁基-3-甲基咪唑磷酸二丁酯的制备与应用[J].北京化工大学学报(自然科学版),2006(01):5-7. |
[2] | 王均凤 .含离子液体体系热力学性质的测定及模型化研究[D].北京化工大学,2008. |
[3] | 耿彦芳,王腾芳,虞大红,彭昌军,刘洪来,胡英.离子液体[C4mim][PF6]与N,N-二甲基甲酰胺二元混合物在298.15 K~318.15 K的密度和粘度[J].中国化学工程学报(英文版),2008(02):256-262. |
[4] | Jacquemin J;Husson P;Padua AAH;Majer V .Density and viscosity of several pure and water-saturated ionic liquids[J].Green chemistry,2006(2):172-180. |
[5] | Andreas Heintz;Dagmar Klasen;Jochen K.Lehmann .Excess molar volumes and viscosities of binary mixtures of methanol and the ionic liquid 4-methyl-N-butylpyridinium tetrafluoroborate at 25, 40, and 50 deg C[J].Journal of Solution Chemistry,2002(6):467-476. |
[6] | Liu WW;Zhao TY;Zhang YM;Wang HP;Yu MF .The physical properties of aqueous solutions of the ionic liquid [BMIM][BF4][J].Journal of Solution Chemistry,2006(10):1337-1346. |
[7] | Mokhtarani B;Sharifi A;Mortaheb HR;Mirzaei M;Mafi M;Sadeghian F .Density and viscosity of pyridinium-based ionic liquids and their binary mixtures with water at several temperatures[J].The Journal of Chemical Thermodynamics,2009(3):323-329. |
[8] | Seddon KR.;Torres MJ.;Stark A. .Influence of chloride, water, and organic solvents on the physical properties of ionic liquids[J].Pure and Applied Chemistry,2000(12):2275-2287. |
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