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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 .
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
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.
The modern non-stick pans were made using a coating of Teflon (polytetrafluoroethylene or PTFE). PTFE was invented serendipitously by Roy Plunkett in 1938, [3] [4] while working for a joint venture of the DuPont company. The substance was found to have several unique properties, including very good corrosion-resistance and the lowest ...
The real-life story, which is in theaters now, follows Ohio attorney Rob Bilott (portrayed by Mark Ruffalo) as he steadfastly pursues a case against DuPont, the chemical company that created Teflon.
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 ...