Term: Flory–Huggins theory
https://doi.org/10.1351/goldbook.F02431

Definition:
A thermodynamic theory of polymer solutions, first formulated independently by Flory and by Huggins, in which the thermodynamic quantities of the solution are derived from a simple concept of combinatorial entropy of mixing and a reduced Gibbs energy parameter, the 'χ parameter'.

Related Terms:
1) entropy (http://doi.org/10.1351/goldbook.E02149).
2) χ parameter (http://doi.org/10.1351/goldbook.C00767).

Source: Purple Book, 1st ed., p. 59 (http://old.iupac.org/publications/books/author/metanomski.html)

Citation: 'Flory–Huggins theory' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.F02431

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