{"term":{"id":"04818","title":"pre-polymer molecule","longtitle":"IUPAC Gold Book - pre-polymer molecule","doi":"10.1351\/goldbook.P04818","code":"P04818","status":"current","also defines":"<em>also defines<\/em>: telechelic molecule","definitions":[{"id":1,"text":"A macromolecule or oligomer molecule capable of entering, through reactive groups, into further polymerization, thereby contributing more than one monomeric unit to at least one chain of the final macromolecule. A pre-polymer molecule capable of entering into further polymerization through reactive end-groups, often deliberately introduced, is known as a telechelic molecule.","links":[{"term":"end-groups","url":"https:\/\/goldbook.iupac.org\/terms\/view\/E02092"},{"term":"macromolecule","url":"https:\/\/goldbook.iupac.org\/terms\/view\/M03667"},{"term":"monomeric unit","url":"https:\/\/goldbook.iupac.org\/terms\/view\/M04018"},{"term":"oligomer molecule","url":"https:\/\/goldbook.iupac.org\/terms\/view\/O04286"},{"term":"polymerization","url":"https:\/\/goldbook.iupac.org\/terms\/view\/P04740"},{"term":"pre-polymer","url":"https:\/\/goldbook.iupac.org\/terms\/view\/P04817"}],"sources":["PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2290 (https:\/\/doi.org\/10.1351\/pac199668122287)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/P04818\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/P04818\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/P04818\/plain"},"citation":"Citation: 'pre-polymer molecule' 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.P04818","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":"2026-08-09T10:08:58+00:00"}}