Solubilities of Water and Organic Solvents to Polyion Complex Pervaporation Membrane

Abstract

The effects of the kinds of organic solvents and mole fractions of organic solvents on selective dissolution factors of water to organic solvents were examined by sorption experiment using a polyion complex pervaporation membrane in various binary mixtures of solvent and water. Selective dissolution factors of water to organic solvent increased with increasing mole fractions of organic solvents in the solutions, and the factors also increased with an increase in the difference of Hansen solubility parameter of organic solvent from that of water.