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History
Roy J. Plunkett
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Roy J. Plunkett was an American chemist. He discovered polytetrafluoroethylene (PTFE), better known as Teflon, in 1938.
Teflon thermal cover showing impact craters, from NASA Ultra Heavy Cosmic Ray Experiment (UHCRE)
Teflon thermal cover showing impact craters, from NASA Ultra Heavy Cosmic Ray Experiment (UHCRE)
Polytetrafluoroethylene
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Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene, and has numerous applications because it is chemically inert. The commonly known brand name of PTFE-based composition is Teflon by Chemours, a spin-off from DuPont, which originally discovered the compound in 1938.
Advertisement of the Happy Pan, a Teflon-coated pan from the 1960s
Advertisement of the Happy Pan, a Teflon-coated pan from the 1960s
Advertisement for Zepel, the trade name used to market Teflon as a fabric treatment
Advertisement for Zepel, the trade name used to market Teflon as a fabric treatment
PTFE thermal cover showing impact craters, from NASA's Ultra Heavy Cosmic Ray Experiment (UHCRE) on the Long Duration Exposure Facility (LDEF)
PTFE thermal cover showing impact craters, from NASA's Ultra Heavy Cosmic Ray Experiment (UHCRE) on the Long Duration Exposure Facility (LDEF)
PTFE is often used to coat non-stick pans as it is hydrophobic and possesses fairly high heat resistance.
PTFE is often used to coat non-stick pans as it is hydrophobic and possesses fairly high heat resistance.