03230 IUPAC Gold Book - ionomer molecule 10.1351/goldbook.I03230 I03230 current 1 A macromolecule in which a small but significant proportion of the constitutional units have ionizable or ionic groups, or both. Some protein molecules may be classified as ionomer molecules. constitutional units https://goldbook.iupac.org//terms/view/C01288 ionomer https://goldbook.iupac.org//terms/view/I03229 macromolecule https://goldbook.iupac.org//terms/view/M03667 PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2299 (https://doi.org/10.1351/pac199668122287) https://goldbook.iupac.org/terms/view/I03230/html https://goldbook.iupac.org/terms/view/I03230/json https://goldbook.iupac.org/terms/view/I03230/plain Citation: 'ionomer molecule' 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.I03230 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. 2026-04-21T02:50:28+00:00