08885 IUPAC Gold Book - polyarylenethynylenes 10.1351/goldbook.08885 08885 current 1 Polymers composed of macromolecules containing exclusively alternating arenediyl or heterarenediyl (formerly arylene or heteroarylene, respectively) and ethynediyl (formerly ethynylene) constitutional repeating units in the backbone: where Ar is a divalent arenediyl or heterarenediyl group (structure-based polymer class name). A polymer for which Ar is phenylene is a polyphenyleneethynylene. PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 54 (https://doi.org/10.1515/pac-2020-0501) https://goldbook.iupac.org/terms/view/08885/html https://goldbook.iupac.org/terms/view/08885/json https://goldbook.iupac.org/terms/view/08885/plain Citation: 'polyarylenethynylenes' 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.08885 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. 2026-04-18T10:07:16+00:00