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Fluoropolymer

A '''fluoropolymer''' is a fluorocarbon based polymer with multiple strong carbon–fluorine bonds. It is characterized by a high resistance to solvents, acids, and bases. Fluoropolymers were discovered in 1938 by Dr. Roy J. Plunkett when he was accidentally polymerized tetrafluoroethylene to form polytetrafluoroethylene (PTFE or more commonly known as Teflon). Fluoropolymers share the properties of fluorocarbons in that they are not as susceptible to the van der Waals force as hydrocarbons. This contributes to their non-stick and friction reducing properties. Also, they are stable due to the stability multiple carbon–fluorine bonds add to a chemical compound. Fluoropolymers may be mechanically characterized as thermosets or thermoplastics. They are often applied to manufactured metal parts by electrostatic powder coating, or attached in large sheets with epoxy to line the interior of large metal and non-metal containers. Examples of fluoropolymers:
- polytetrafluoroethylene|PTFE (polytetrafluoroethylene), sold by DuPont under the tradename Teflon; sold by Solvay Solexis under the tradenames Algoflon and Polymist
- Perfluoroalkoxy|PFA (perfluoroalkoxy polymer resin), sold by DuPont under the tradename Teflon. HyflonHyflon is a registered trademark of Solvay Solexis S.p.A.
- Fluorinated_ethylene_propylene|FEP (fluorinated ethylene-propylene), sold by DuPont under the tradename Teflon
- ETFE polyethylenetetrafluoroethylene(TefzelTefzel is a registered trademark of DuPont), (FluonFluon is a registered trademark of Asahi Glass Company )
- PVF polyvinylfluoride TedlarTedlar is a registered trademark of DuPont
- ECTFE polyethylenechlorotrifluoroethylene HalarHalar is a registered trademark of Solvay Solexis S.p.A.
- PVDF polyvinylidene fluoride (KynarKynar is a registered trademark of Arkema, Inc. Solef Solef is a registered trademark of Solvay Solexis S.p.A. Hylar Hylar is a registered trademark of Solvay Solexis S.p.A.
- PCTFE (Kel-F, CTFE) polychlorotrifluoroethylene
- FFKM (KalrezKalrez is a registered trademark of DuPont. TecnoflonTecnoflon is a registered trademark of Solvay Solexis S.p.A.
- FPM/FKM (VitonViton is a registered trademark of DuPont, Tecnoflon FKM)
- PFPE Perfluoropolyether FomblinFomblin is a registered trademark of Solvay Solexis S.p.A. GaldenGalden is a registered trademark of Solvay Solexis S.p.A.)

External links

- Introduction to fluoropolymers
- Chemical Resistance of Fluoropolymers
- Uses and Safety

References

Category:Fluoropolymers Category:Organofluorines Category:Polymers Category:Thermoplastics

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Sources: StartLearningNow, Wikipedia | Usage license: GNU FDL

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