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In 1936, he was hired as a research chemist by E.I. du Pont de Nemours and Company at its Jackson Laboratory in Deepwater, New Jersey. [ 1 ] In 1938, while attempting to make a new chlorofluorocarbon refrigerant, Plunkett's laboratory team discovered polytetrafluoroethylene (PTFE), better known as Teflon.
It had been accidentally invented in 1938 by DuPont chemist Roy Plunkett, as a by-product of chlorofluorocarbon refrigerant research. [ 21 ] [ 22 ] [ 23 ] After further industrial experience with General Mills Company back in Minneapolis and Spencer Kellogg & Sons, Inc. in Buffalo , Renfrew returned west in 1959 to his alma mater in Moscow to ...
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.
Teflon. Branded in 1944, Teflon was initially introduced for military and industrial purposes after World War II. ... according to Keeping America Informed, a 2011 report from the U.S. Government ...
Richard Gurley Drew (June 22, 1899 – December 14, 1980) was an American inventor who worked for Johnson and Johnson, Permacel Co., and 3M in St. Paul, Minnesota, where he invented masking tape and cellophane tape. [1]
Auguste Trillat discovered the means to insolubilize casein by immersion in formaldehyde, producing material marketed as galalith. [7] 1894: Shellac phonograph records are developed and soon become an industry standard. 1898: Polyethylene was first synthesized by the German chemist Hans von Pechmann while investigating diazomethane. [8]
6 April 1938 Roy J. Plunkett (1910–1994), who was then a 27-year-old research chemist who worked at the DuPont's Jackson Laboratory in Deepwater, New Jersey, [13] was working with gases related to DuPont's Freon refrigerants, when an experiment he was conducting produced an unexpected new product. [14] —tetrafluoroethylene resin.
Duct tape invention Vesta Oral Stoudt (April 13, 1891 – May 9, 1966) was a factory worker during the Second World War famous for her letter to President Franklin D. Roosevelt suggesting the use of adhesive tape to improve ammunition boxes.