{"term":{"id":"08983","title":"ring-opening nucleophilic chain polymerization","longtitle":"IUPAC Gold Book - ring-opening nucleophilic chain polymerization","doi":"10.1351\/goldbook.08983","code":"08983","status":"current","definitions":[{"id":1,"text":"Nucleophilic chain polymerization in which a cyclic monomer yields a monomeric unit that is either acyclic or contains fewer rings than the cyclic monomer.","exams":{"1":"Non-ionic monomers used in ring-opening nucleophilic chain polymerization include intramolecular anhydrides of N-carboxy amino acids (commonly referred to as N-carboxy anhydrides or NCAs)."},"links":[{"term":"Nucleophilic chain polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08982"}],"sources":["PAC, 2022, 94, 1093. 'Terminology for chain polymerization (IUPAC Recommendations 2021)' on page 1129 (https:\/\/doi.org\/10.1515\/pac-2020-1211)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/08983\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/08983\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/08983\/plain"},"citation":"Citation: 'ring-opening nucleophilic chain polymerization' 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.08983","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.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","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.","accessed":"2026-06-30T22:28:18+00:00"}}