Abstract

A procedure is presented that uses heat of mixing information, calculated by the modified Guggenheim quasichemical group contribution method, and PVT data for the polymers, correlated by the Sanchez-Lacombe-Balasz lattice fluid model, to predict lower critical solution temperature (LCST) behavior. Fairly good predictions, to within 20 o C uncertainty, of cloud points are shown for poly(vinyl methyl ether)/poly(styrene), poly(methyl methacrylate)/poly(vinyl chloride) and poly(methyl methacrylate)/poly(ethylene oxide) binary blends

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