12236 IUPAC Gold Book - co-nonsolvency 10.1351/goldbook.12236 12236 current 1 Decrease in solubility of a polymer in a solvent comprising more than one component, each component of which by itself is a solvent for the polymer. Poly(N-isopropylacrylamide) in water/methanol and poly(vinyl alcohol) in dimethylsulfoxide/water are examples of systems in which co-nonsolvency occurs. PAC, 2015, 87, 71. 'Definitions of terms relating to individual macromolecules, macromolecular assemblies, polymer solutions, and amorphous bulk polymers (IUPAC Recommendations 2014)' on page 92 (https://doi.org/10.1515/pac-2013-0201) https://goldbook.iupac.org/terms/view/12236/html https://goldbook.iupac.org/terms/view/12236/json https://goldbook.iupac.org/terms/view/12236/plain Citation: 'co-nonsolvency' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.12236 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-06-13T16:05:00+00:00