Certain reactive metals and specialized reagents can chemically degrade PTFE
Specific reactive metals and specialized reducing reagents are capable of chemically degrading and breaking down the otherwise highly stable PTFE polymer.
The retrieved papers provide clear and direct evidence that specialized reagents like sodium naphthalenide and reactive metals such as potassium and magnesium nitride can chemically attack, etch, or degrade polytetrafluoroethylene (PTFE).
Yaelle Roina, Anne‐Marie Gonçalves, Mathieu Fregnaux, Frédéric Auber, Guillaume Herlem. Sodium Naphthalenide Diglyme Solution for Etching PTFE, Characterizations and Molecular Modelization. 2022. https://doi.org/10.1002/slct.202200153
Paper [1] demonstrates that sodium naphthalenide can chemically etch and modify the surface of PTFE.
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Hattori M, Kiyono T, Zhao Z, Higashi M, Fujishiro M, Kishikawa Y, Escorihuela J, Shibata N. Upcycling of PTFE and PVDF to fluorochemicals through mechanochemical process.. 2025. https://doi.org/10.1038/s41467-025-67299-y
Paper [3] shows that potassium metal can mediate the reductive degradation of PTFE.
Chen JS, Guo LF, Pan H, Wang GW. Unlocking the reducing power of metal nitrides by mechanochemical hydrodefluorination of fluorinated compounds.. 2026. https://doi.org/10.1038/s41467-026-70813-5
Paper [11] establishes that reactive metal compounds such as magnesium nitride can achieve the mechanochemical degradation of PTFE.
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