Properties of 1-(Cyanopropyl)-3-methylimidazolium Bis[(trifluoromethyl)sulfonyl]imide
1-丁腈-3-甲基咪唑双三氟甲基磺酸亚胺的性质
查看参考文献37篇
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文摘
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The functional ionic liquid (FIL) 1-(cyanopropyl)-3-methylimidazolium bis[(trifluoromethyl)sulfonyl] imide [PCNMIM][NTf2] was synthesized using an ion-exchange method. Density, dynamic viscosity, electrical conductivity, and refractive index were determined in the temperature range 283.15-353.15 K. The effect of methylene group introduction is discussed for the FILs and imidazolium ionic liquids (ILs). The thermal expansion coefficient, molecular volume, standard molar entropy, and lattice energy were determined by the empirical equations from the measurement values. The temperature dependence on electrical conductivity and dynamic viscosity of the FILs were fitted by the Vogel-Fulcher-Tammann (VFT) equation. The adaptability of the Arrhenius equation was also discussed for the electrical conductivity and dynamic viscosity. The study of the thermodynamic properties of the FIL is important for synthesis of new ILs and their application. |
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其他语种文摘
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制备了功能化离子液体1-丁腈-3-甲基咪唑双三氟甲基磺酸亚胺。在T为283.15-353.15 K温度范围内,测定了该功能化离子液体的密度、动力粘度、电导率及折光率。讨论了亚甲基的增减对该类功能化离子液体的密度、动力粘度、电导率及折光率等性质的影响,并与传统咪唑类、吡啶类离子液体物理化学性质的变化趋势进行了对比。通过经验方程计算了该功能化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。讨论了Vogel-Fulcher-Tamman (VFT)方程和Arrhenius方程的适用性,得出VFT方程适用于该功能化离子液体,而Arrhenius方程并不适用。有关研究对新型离子液体的合成及其工业化的应用具有十分重要的意义。 |
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来源
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物理化学学报
,2016,32(3):617-623 【核心库】
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DOI
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10.3866/pku.whxb201512171
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关键词
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Functional ionic liquid
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Density
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Dynamic viscosity
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Electrical conductivity
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Refractive index
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地址
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1.
School of Science, Shenyang Agricultural University, Shenyang, 110866
2.
Shanghai Environmental Sanitation Engineering Design Institute Co., Ltd., Shanghai Engineering Research Center of Contaminated Sites Remediation, Shanghai, 200232
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1000-6818 |
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学科
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化学 |
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基金
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国家自然科学基金
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Program for Liaoning Excellent Talents in University, China
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文献收藏号
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CSCD:5654598
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引证文献
1
篇
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1
Liu Yadi
Studies on reaction kinetics and phase changes during the synthesis of ionic liquids using an in-situ low-field MRI spectrometer
过程工程学报,2020,20(7):807-821
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0
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