CAJ | 학술논문

采用反气相色谱法（IGC）表征了离子液体1-丁基-3-甲基咪唑四氟硼酸盐（[BMIM]BF4）在333~373 K 温度范围内的热力学参数。使用两组不同化学结构和性质的探针分子测定了[ BMIM]BF4与溶剂之间的相互作用力。根据探针分子的保留时间计算得到探针分子与[ BMIM]BF4之间的摩尔吸附焓、质量分数活度系数、Flory-Huggins相互作用参数和[ BMIM]BF4的溶解度参数。结果表明，所选溶剂中 n-C10、n-C11、n-C12、四氯化碳，环己烷和甲苯为[BMIM]BF4的不良溶剂；二氯甲烷、丙酮、氯仿、乙酸甲酯、乙醇、甲醇为[BMIM]BF4的良溶剂。运用外推法得到了[HMIM]BF4在室温（298.15K）时的溶解度参数为23.39（J／cm3）0.5。实验结果证明 IGC 法是一种简便准确的获得离子液体热力学参数的方法。本研究为离子液体的应用及相关工作提供了理论参考。
채용반기상색보법（IGC）표정료리자액체1-정기-3-갑기미서사불붕산염（[BMIM]BF4）재333~373 K 온도범위내적열역학삼수。사용량조불동화학결구화성질적탐침분자측정료[ BMIM]BF4여용제지간적상호작용력。근거탐침분자적보류시간계산득도탐침분자여[ BMIM]BF4지간적마이흡부함、질량분수활도계수、Flory-Huggins상호작용삼수화[ BMIM]BF4적용해도삼수。결과표명，소선용제중 n-C10、n-C11、n-C12、사록화탄，배기완화갑분위[BMIM]BF4적불량용제；이록갑완、병동、록방、을산갑지、을순、갑순위[BMIM]BF4적량용제。운용외추법득도료[HMIM]BF4재실온（298.15K）시적용해도삼수위23.39（J／cm3）0.5。실험결과증명 IGC 법시일충간편준학적획득리자액체열역학삼수적방법。본연구위리자액체적응용급상관공작제공료이론삼고。
Thermodynamic properties of ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate([ BMIM ] BF4 )were determined via inverse gas chromatography( IGC). Two groups of solvents with different chemical natures and polarities were used to obtain information about[ BMIM]BF4-solvent interactions. The specific retention volume,molar heat of sorption,weight fraction activity coefficient,Flory-Huggins interaction param-eter as well as solubility parameter were also determined in a temperature range of 333-373 K. The results showed that the selected solvents n-C10 to n-C12,carbon tetrachloride,cyclohexane and toluene were poor sol-vents for[BMIM]BF4,while dichloromethane,acetone,chloroform,methyl acetate,ethanol and methanol were favorite solvents for[BMIM]BF4. In addition,the solubility parameter of[BMIM]BF4 was determined as 23. 39( J/cm3 )0. 5 by the extrapolation at 298 K. The experiment proved that IGC was a simple and accurate method to obtain the thermodynamic properties of ionic liquids. This study could be used as a reference to the application and research of the ionic liquids.