Thermodynamics of acrylic esters containing binary liquid mixtures .1. Excess volumes and isentropic compressibilities of alkyl methacrylates plus n-hexane, plus n-heptane, carbon tetrachloride, plus chlorobenzene, and o-dichlorobenzene at 303.15 K

Excess volumes and isentropic compressibilities of 15 binary liquid mixtures containing methyl methacrylate (MMA), ethyl methacrylate (EMA), and butyl methacrylate (BMA) and n-hexane, n-heptane, carbon tetrachloride, chlorobenzene, and o-dichlorobenzene are derived from the measured densities and speeds of sound at 303.15 K. The dependence of the excess volumes and the isentropic compressibilities both on the alkyl chain length and on the nature of the solvent shows the dominance of dispersing interactions in the mixtures of aliphatic hydrocarbons and specific interections in the chlorinated solvent mixtures. The speeds of sound of binary mixtures of MMA were found to be reasonably predicted by free length and collision factor theories. An attempt is also made to estimate the individual contributions of interactional, free volume and P* effects to the overall excess volumes of binary mixtures containing MMA. The results indicate that the three factors are equally responsible for the observed values.