{"term":{"id":"08921","title":"stable-radical-mediated polymerization","longtitle":"IUPAC Gold Book - stable-radical-mediated polymerization","doi":"10.1351\/goldbook.08921","code":"08921","status":"current","initialism":"<em>initialism<\/em>: SRMP","definitions":[{"id":1,"text":"Reversible-deactivation radical polymerization in which the deactivation involves reversible coupling with stable (persistent) radicals.","notes":{"1":"Processes known to involve stable-radical-mediated polymerization include aminoxyl-mediated radical polymerization and some forms of organometallic-mediated radical polymerization.","2":"The use of the term 'free radical' is deprecated in IUPAC terminology.","3":"Initialization may involve decomposition of an initiator in the presence of monomer and the stable radical. Polymerization then starts when there is complete consumption of the stable radical.","4":"The species identified as stable radicals in stable-radical-mediated polymerization are not necessarily stable in a thermodynamic sense."},"links":[{"term":"Initialization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08956"},{"term":"Reversible-deactivation radical polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08916"},{"term":"aminoxyl-mediated radical polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08917"},{"term":"organometallic-mediated radical polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08920"},{"term":"stable radicals","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08970"}],"sources":["PAC, 2022, 94, 1093. 'Terminology for chain polymerization (IUPAC Recommendations 2021)' on page 1106 (https:\/\/doi.org\/10.1515\/pac-2020-1211)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/08921\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/08921\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/08921\/plain"},"citation":"Citation: 'stable-radical-mediated 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.08921","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":"2026-04-18T08:55:39+00:00"}}