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Article Dans Une Revue Molecules Année : 2023

Fluoropolymers as unique and irreplaceable materials: Challenges and Future Trends of these specific perfluoroalkyl substances

Résumé

In contrast to some low molar-mass per-and polyfluoroalkyl substances (PFASs), well-established to be toxic, persistent, bioaccumulative and mobile, fluoropolymers (FPs) are water insoluble, safe, bio-inert, durable. These niche high performance polymers fulfil the 13 polymer of low concern (PLC) criteria in their recommended conditions of use. In addition, more recent innovations (e.g., the use of non-fluorinated surfactants in aqueous radical (co)polymerization of fluoroalkenes) from industrial manufacturers of FPs are highlighted. This review also aims at showing how these specialty polymers endowed with outstanding properties are essential (even irreplaceable since hydrocarbon polymer alternatives used in similar conditions fail) for our daily life (electronics, energy, optics, internet of things, transportation, etc.) and constitute a special family a part from other "conventional" C 1-C 10 PFASs found everywhere on the Earth and Oceans. Furthermore, some information reports the recycling (e.g., the unzipping depolymerization of polytetrafluoroethylene, PTFE, into TFE), end of life of FPs, their risk assessment, circular economy and regulations. Various researches are devoted to environment involving FPs, though they represent a niche volume (with a yearly production of 330,300 tonnes) compared to all plastics (with 460 million tonnes). Complementary to other reviews on PFASs, which lack of such above data, this review presents both fundamental and applied strategies as evidenced by major FP producers.
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Dates et versions

hal-04283750 , version 1 (14-11-2023)

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Bruno Ameduri. Fluoropolymers as unique and irreplaceable materials: Challenges and Future Trends of these specific perfluoroalkyl substances. Molecules, 2023, 28, pp.7564. ⟨10.3390/molecules28227564⟩. ⟨hal-04283750⟩
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