Simulation of Binodal and Spinodal Curves of Phase State Diagrams for Binary Polymer Systems

A new approach is proposed for simulating binodal and spinodal curves of phase diagrams for binary polymer systems. It is shown that the Flory-Huggins theory makes it possible to predict phase behavior in a wide range of temperatures and concentrations based on limited data on the components' solubility. The approbation data of the technique are presented in the example of PS-PB and PS-PMMA systems, for which generalized phase diagrams are constructed.