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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.
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.
Nylon is invented and patented by DuPont. [6] 1938: Nylon is first used for bristles in toothbrushes. It features at the 1939 World's Fair and is famously used in stockings in 1940. 1938: Polytetrafluoroethylene (commonly known as teflon), discovered by Roy Plunkett at DuPont. 1941
Teflon. Branded in 1944, Teflon was initially introduced for military and industrial purposes after World War II. ... He was soon designing and manufacturing his offset rotary machines for sale ...
Wilhelm Johann Schlenk (22 March 1879 – 29 April 1943) was a German chemist. He was born in Munich and also studied chemistry there. Schlenk succeeded Emil Fischer at the University of Berlin in 1919. Schlenk was an organic chemist who discovered organolithium compounds around 1917.
Stephanie Louise Kwolek (/ ˈ k w oʊ l ɛ k /; July 31, 1923 – June 18, 2014) was a Polish-American chemist best known for inventing Kevlar (poly-paraphenylene terephthalamide). ). Her career at the DuPont company spanned more than 40 ye