Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

ABSTRACT

In this study, experimental density data () for binary liquid mixtures containing {2(dimethylamino)ethyl methacrylate (DMAEMA) + methanol, or + ethanol, or + 1-propanol, or + 1-butanol, or + 1-pentanol} have been measured over the entire composition range at temperatures from T = (293.15 to 313.15) K and pressures up to 35 MPa. Density measurements were obtained using an Anton Paar DMA 4500 vibrating-tube densimeter coupled to an external Anton Paar DMA HP high-pressure measuring cell. The experimental results of density have been fit to the Tait-Tammann equation and used to calculate the isothermal compressibility (T), the thermal expansion coefficient (p), and the internal pressure (). The excess molar volume ( VmE ) values have still been calculated and used to test the applicability of the Extended Real Associated Solution Model (ERAS Model) and the Prigogine-Flory-Patterson Theory (PFP Theory). The thermodynamic results suggest that structural and chemical effects must outweigh physical effects.