Roy J. Plunkett
Videos
Roy Joseph Plunkett was an American chemist. He discovered polytetrafluoroethylene, better known as Teflon, in 1938.
Teflon thermal cover showing impact craters, from NASA Ultra Heavy Cosmic Ray Experiment (UHCRE)
Freon
Videos
Freon is a registered trademark of Chemours and generic descriptor for a number of halocarbon products. They are stable, nonflammable, low toxicity gases or liquids which have generally been used as r
Roy J. Plunkett
…antiknock agent that made gasoline "leaded," later discontinued over concerns about the toxic effects of lead. After that, he directed the production of Freon, DuPont's brand name for chlorofluorocarbon refrigerant. He retired in 1975. In 1951, Plunkett received the John Scott Medal from the city of Philadelphia…
A can of 1,1,1,2-Tetrafluoroethane (Freon 134a) used for recharging vehicle air conditioning