化学工程2011，Vol.39Issue(4)：61-64,4.
双阳离子型离子液体[C3(MIM)2][PF6]2的热容测定及估算
Measurement and estimation of heat capacity of dicationic ionic liquid [C3 ( MIM)2][PF6]2
摘要
Abstract
The molar heat capacity of dicationic ionic liquid 1, 1'-( propane-1, 3-diyl)-bis (3-methyl-1Himidazolium-1-yl) dihexafluorophosphate ( [C3 ( MIM )2][PF6]2 ) was measured with differential scanning calorimeter(DSC) at 293.15-543.15 K.The results show that no phase transition or other thermal anomaly is observed in the range of 293.15-403.15 K and 433.15-543.15 K, in which the molar heat capacities are fitted to polynomials.The fusing temperature, molar enthalpy and entropy of fusion are 416.83 K, 38.256 kJ/mol and 91.778 J/(K· mol), respectively.The thermodynamic functions relative to the standard reference temperature 298.15 K were derived based on the heat capacity data.A group contribution method was used to calculate its molar heat capacity from 433.15 to 543.15 K.The basic data are helpful for its industrial application.关键词
双阳离子型离子液体/热容/热力学函数/基团贡献法Key words
dicationic ionic liquid/ heat capacity/ thermodynamic function/ group contribution method分类
化学化工引用本文复制引用
杨许召,王军,孙新科..双阳离子型离子液体[C3(MIM)2][PF6]2的热容测定及估算[J].化学工程,2011,39(4):61-64,4.基金项目
河南省教育厅自然科学研究计划项目(2010A530012) （2010A530012）
郑州市科技攻关项目(074SCCG23109-6) （074SCCG23109-6）
郑州轻工业学院重大预研基金项目(2009XYYJJ003) （2009XYYJJ003）
