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Article: Thermodynamic analysis of phase separation in selfstratifying coatings - solubility parameters approach.
- Article from:
- The Journal of Coatings Technology
- Article date:
- April 1, 1991
- Author:
CopyrightCOPYRIGHT 1991 Federation of Societies for Coatings Technology. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Thermodynamic Analysis of Phase Separation in Selfstratifying Coatings--Solubility Parameters Approach
The three dimensional solubility parameter system has been applied in the analysis of the behavior of selfstratifying coatings. For a system consisting of two phases in equilibrium, the Gibbs free energy of mixing must be at the minimum value at constant temperature and pressure, or the chemical potential of each component must be equal in both phases. These conditions have been used to generate binodals and spinodals of the binary system in question, representing the boundaries between the stable, metastable, and unstable state. The phase separation phenomenon is ...