ABSTRACT Densities, ρ, and Speeds of Sound, u, were measured for pure liquids of ethyl acetate, (EtOAc), 1,2-butanediol, (1,2-BD), 1,3-butanediol, (1,3-BD), 1,4-butanediol, (1,4-BD) and their binary mixtures {x 1 EtOAc + x 21,2-BD}, { x 1 EtOAc + x 21,3-BD}, and { x 1 EtOAc + x 21,4-BD} over the composition (EtOAc) and at temperatures (298.15–323.15) K at pressure 0.1 MPa. To understand the molecular interactions of solute–solvent, measured excess properties such as the excess molar volume, , excess isentropic compressibility, , excess speeds of sound, , excess molar isentropic compressibility, , thermal expansion coefficient, , excess thermal expansion coefficient, were calculated and fitted using the Redlich–Kister equation. For better understanding, also calculated partial molar volumes/isentropic compressibilities, and their excess properties at infinite dilution were measured. These parameters have been used to understand the interactions in the mixtures qualitatively. The experimental findings were compared through the usage of theoretical model developed by Prigogine–Flory–Patterson (PFP).

中文翻译：

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298.15-323.15K 氧化燃料添加剂（异构丁二醇和乙酸乙酯）的热力学研究

摘要 密度 ρ 和声速 u 是针对纯乙酸乙酯 (EtOAc)、1,2-丁二醇 (1,2-BD)、1,3-丁二醇 (1,3- BD)、1,4-丁二醇、(1,4-BD) 及其二元混合物 {x 1 EtOAc + x 21,2-BD}、{ x 1 EtOAc + x 21,3-BD} 和 { x 1 EtOAc + x 21,4-BD} 在组合物 (EtOAc) 上和温度 (298.15–323.15) K 下，压力为 0.1 MPa。为了理解溶质-溶剂的分子相互作用，计算了测量的过量性质，例如过量摩尔体积、过量等熵压缩率、过量声速、过量摩尔等熵压缩率、、热膨胀系数、过量热膨胀系数并使用 Redlich-Kister 方程拟合。为了更好地理解，还计算了部分摩尔体积/等熵压缩率，并测量了它们在无限稀释下的过量特性。这些参数已用于定性地了解混合物中的相互作用。通过使用 Prigogine-Flory-Patterson (PFP​​) 开发的理论模型对实验结果进行了比较。