{"term":{"id":"08914","title":"living radical polymerization","longtitle":"IUPAC Gold Book - living radical polymerization","doi":"10.1351\/goldbook.08914","code":"08914","status":"current","definitions":[{"id":1,"text":"Radical polymerization in which chain termination and irreversible chain transfer are absent.","notes":{"1":"Radical polymerizations, controlled radical polymerizations and reversible-deactivation radical polymerizations are not living radical polymerizations as there is a non-zero probability of chain termination.","2":"The term living radical polymerization can be used to refer to a hypothetical radical polymerization that occurs without chain termination.","3":"Use of the adjectives pseudo-living, quasi-living, 'living' (within quotation marks) or other terms that containing the word living to describe a radical polymerization with only some living characteristics is deprecated."},"exams":{"1":"Certain polymerizations conducted in confined media which only allow reactions of individual propagating radicals."},"links":[{"term":"chain termination","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08946"},{"term":"controlled radical polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08913"},{"term":"propagating radicals","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08966"},{"term":"reversible-deactivation radical polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08916"}],"sources":["PAC, 2022, 94, 1093. 'Terminology for chain polymerization (IUPAC Recommendations 2021)' on page 1103 (https:\/\/doi.org\/10.1515\/pac-2020-1211)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/08914\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/08914\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/08914\/plain"},"citation":"Citation: 'living radical 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.08914","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":"2026-07-01T12:24:49+00:00"}}