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History of Teflon

Roy J. Plunkett (June 26, 1910 - May 12, 1994) was the chemist who accidentally invented Teflon in 1938. On April 6, 1938 Plunkett checked a frozen, compressed 100 pound (45 kg) container of tetrafluoroethylene, used in chlorofluorocarbon refrigerant production. When he opened the container to remove an amount for chlorination (using hydrochloric acid), Plunkett discovered that nothing came out. When he checked to see why, he discovered that a white powder had formed which did not adhere to the container. The tetrafluoroethylene in the container had polymerized into polytetrafluoroethylene (Teflon), a waxy solid with amazing properties such as resistance to corrosion, low surface friction, and high heat resistance.

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