{"term":{"id":"08913","title":"controlled radical polymerization","longtitle":"IUPAC Gold Book - controlled radical polymerization","doi":"10.1351\/goldbook.08913","code":"08913","status":"current","initialism":"<em>initialism<\/em>: CRP","definitions":[{"id":1,"text":"Term indicating control of a certain kinetic feature of a radical polymerization or structural aspect of the polymer molecules formed by radical polymerization, or both.","notes":{"1":"The adjective 'controlled' should not be used without specifying the particular kinetic or structural feature that is subject to control.","2":"The expression 'controlled radical polymerization' is sometimes used as a synonym for reversible-deactivation radical polymerization (RDRP), e.g., atom-transfer radical polymerization (ATRP), aminoxyl-mediated radical polymerization (AMRP), or reversible-addition-fragmentation chain-transfer (RAFT) polymerization. This is acceptable subject to the proviso stated in Note 1.","3":"The term diffusion-controlled radical polymerization is sometimes used to indicate that the rate of termination is determined by the rate of diffusion of the active sites."},"links":[{"term":"aminoxyl-mediated radical polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08917"},{"term":"atom-transfer radical polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08924"},{"term":"controlled polymerization","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08908"},{"term":"reversible-addition-fragmentation chain-transfer","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08935"},{"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\/08913\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/08913\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/08913\/plain"},"citation":"Citation: 'controlled 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.08913","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":"2026-07-01T13:58:16+00:00"}}