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The new solvation equation: log L= c + rR 2 + sn~ + a~ + bfl~ + I log L 16 has been applied to the solubility of 43 gaseous probes on each of nine hydrocarbon polymers using the data of Munk et al.. In this equation, L is the gas-liquid partition coefficient of a series of probes on a given polymer, and the explanatory variables are solute properties as follows: R2 is an excess molar refraction, n~ is the probe dipolarity-polarizability, ~ and E2n are the probe hydrogen-bond acidity and basicity, and L 16 is the gas-liquid partition coefficient of the probe on hexadecane at 25°C. Each of the nine equations, one for each polymer, had correlation coefficients of around 0.999 and standard derivations of around 0.025 log units. The solubility of the gaseous probes, as log L values, as well as the polymer-probe interaction parameter X calculated by Munk, have been analysed in terms of particular polymer-probe interactions.

Посилання на статтю:

An analysis of polymer-probe interactions in some hydrocarbon polymers using a new solvation equation / Michael H. Abraham and Gary S. Whiting // Polymer. – 1992. – Vol 33. – P. 2162-2167.

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