{"term":{"id":"05161","title":"rayon-based carbon fibres","longtitle":"IUPAC Gold Book - rayon-based carbon fibres","doi":"10.1351\/goldbook.R05161","code":"R05161","status":"current","abbrev":"<em>abbrevs<\/em>: MPP, PAN","definitions":[{"id":1,"text":"Carbon fibres made from rayon (cellulose) precursor fibres.","notes":{"1":"Rayon-based carbon fibres have a more isotropic structure than similarly heat-treated polyacrylonitrile (PAN)- or mesophase pitch (MPP)-based carbon fibres. Their Young's modulus values are therefore drastically lower (\\(100\\ \\rm{GPa}\\); tensile strength \\(100\\ \\rm{MPa}\\)). Rayon-based carbon fibres can be transformed into anisotropic carbon fibres with high strength and Young's modulus values by hot-stretching treatment at temperatures of approximately \\(2800\\ \\rm{K}\\)."},"links":[{"term":"Carbon fibres","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/C00831"},{"term":"Young's modulus","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/M03966"},{"term":"isotropic","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/I03353"},{"term":"mesophase pitch (MPP)-based carbon fibres","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/M03851"}],"sources":["PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 503 (https:\/\/doi.org\/10.1351\/pac199567030473)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/R05161\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/R05161\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/R05161\/plain"},"citation":"Citation: 'rayon-based carbon fibres' 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.R05161","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":"2026-04-19T07:16:09+00:00"}}