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Roy Joseph Plunkett (June 26, 1910 – May 12, 1994) was an American chemist. He discovered polytetrafluoroethylene (PTFE), better known as Teflon, in 1938. Personal life and education
8. Teflon. Who: Roy Plunkett, chemist. When: 1938. How it was created: While working for DuPont, Dr. Plunkett was assigned to synthesize non-toxic refrigerants. One day, the chemist and his lab ...
The commonly known brand name of PTFE-based composition is Teflon by Chemours, [4] a spin-off from DuPont, which originally invented the compound in 1938. [4] Polytetrafluoroethylene is a fluorocarbon solid , as it is a high- molecular-weight polymer consisting wholly of carbon and fluorine .
Play-Doh was originally called Rainbow Modeling Compound and used to clean wallpaper. A NJ nursery school teacher found it was fun to use as a toy.
In 1938, polytetrafluoroethylene (DuPont brand name Teflon) was discovered by accident by a recently hired DuPont Ph.D., Roy J. Plunkett. While working with tetrafluoroethylene gas to develop refrigerants, he noticed that a previously pressurized cylinder had no pressure remaining. In dissecting the cylinder, he found a mass of white solid in a ...
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Polytetrafluoroethylene (commonly known as teflon), discovered by Roy Plunkett at DuPont. 1941: Polyethylene terephthalate (PET) is discovered at the Calico Printers' Association in Britain. Expanded polystyrene is first produced. [6] 1950: DuPont begin the manufacture of polyester. 1951
Taran Killam, Ana Gasteyer, John Mulaney, Kristen Wiig, Kenan Thompson, Paul Davidson, Maya Rudolph, Will Forte, and Jason Sudeikis perform during the "SNL50" live special.