Term: ring-opening copolymerization https://doi.org/10.1351/goldbook.R05395 Definition: A copolymerization which is a ring-opening polymerization with respect to at least one monomer. Related Terms: 1) copolymerization (http://doi.org/10.1351/goldbook.C01336). 2) ring-opening polymerization (http://doi.org/10.1351/goldbook.R05396). 3) monomer (http://doi.org/10.1351/goldbook.M04017). Source: PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2308 (https://doi.org/10.1351/pac199668122287) Citation: 'ring-opening copolymerization' 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.R05395 License: 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. Disclaimer: 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.