臺灣博碩士論文加值系統

本研究之離子液體[i-Cnmim][Br] (n = 3、4、5)是自行合成。量測離子液體的密度、折射率、黏度與導電度，實驗溫度從298.15 K~318.15 K。從實驗結果顯示，純離子液體之密度、折射率與黏度皆隨著溫度上升而減少，但密度與折射率則隨著陽離子上烷基鏈長度增加而減少，黏度則隨著陽離子上烷基鏈長度增加而增加。導電度隨著溫度上升而增加。
本研究則探討以離子液體[i-Cnmim][Br] (n = 3、4、5) 與水和醇類(甲醇、乙醇、丙醇及丁醇)混合的兩成分系統之物理性質，依照不同莫爾分率及溫度從298.15K~318.15K下，量測兩成分系統之密度、折射率及黏度。實驗所得過剩莫爾體積、折射率偏差及黏度偏差也以Redlich-Kister 方程式迴歸，並使用均方根偏差計算誤差，結果顯示與實驗數據相當吻合。

This study reports on the synthesis and the physical properties of ionic liquid of 1-isoalkyl-3-methylimidazolium bromide [i-Cnmim][Br], (n＝3,4,5)。The values of density, refractive index , viscosity and conductivity at temperature range from 298.15 to 338.15 K were measured and reported for the 1-isoalkyl-3-methylimidazolium bromide ionic liquid。Empirical correlations were proposed to represent the present experimental data。The density, refractive index and viscosity values decrease with increasing temperature。The density and refractive index values decrease with the increases in the length of the alkyl chain in the imidazolium cation。The viscosity value increase with increasing in the length of the alkyl chain in the imidazolium cation 。The conductivity values increase with increasing temperature。
In the study，densities , refractive index and viscosity of the 1-isoalkyl-3-methylimidazolium bromide, in water ,methanol , ethanol ,1-propanol and 1-butanol at a temperature range from 298.15 to 338.15 K and atmospheric pressure were measured over the whole composition range。Excess molar volumes , refractive index deviations and viscosity deviations for the binary systems were calculated 。These results were fitted to a Redlich-kister equation to determine the fitting parameters and the root mean square deviations。

摘要 i
目錄 iii
表目錄 iv
圖目錄 viii
第一章 緒論 - 1 -
第二章 文獻回顧 15
2-1 離子液體應用 15
2-2離子液體的性質 15
2-3離子液體混合之物理性質 18
第三章 實驗步驟 21
3-1 實驗儀器 21
3-2 實驗藥品 23
3-3 離子液體合成 27
3-4 實驗步驟 32
3-4-1藥品配製 32
3-4-2.測量前準備 32
3-5 再現性實驗 36
第四章 結果與討論 55
4.1 純物質之物理性質 55
4.2 雙成分之混合性質 56
4.2.1 密度與過剩體積的討論 57
4.2.2 折射率與莫爾分率折射率偏差的討論 60
4.2.3 黏度與黏度偏差的討論 62
第五章 結論 296
符 號 表 299
參考文獻 300

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