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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 years.
Stephanie Kwolek, inventor of Kevlar Ignacy Łukasiewicz built world's first oil refinery. Marian Rejewski, Jerzy Różycki, and Henryk Zygalski, Polish mathematician–cryptologists, broke German Enigma-machine ciphers before and during World War II. Sharing their techniques with the British, they enabled British reading of Enigma messages.
Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora.Developed by Stephanie Kwolek at DuPont in 1965, [3] [2] [4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.
Stephanie Kwolek, American chemist of Polish origin, who in 1965 created the first of a family of synthetic fibers of exceptional strength and stiffness. The best-known member is Kevlar , a material used in protective vests as well as in boats, airplanes, ropes, cables, and much more—in total about 200 applications.
In 1966, Stephanie Kwolek, a chemist working for E.I. DuPont de Nemours & Co., developed Kevlar; a strong, lightweight liquid polymer that can be spun into a fiber and woven into cloth. [3] Kevlar was initially used as a replacement for steel-belting in tires, and later for use in ropes, gaskets, and automotive and aviation parts.
Stephanie Kwolek (1923–2014), synthetic fibres; Angela Kornas (born 1977), bra inserts; L Hedy Lamarr, Inventor, 1939. Hedy Lamarr (1914–2000), radio guidance systems; Esther Lederberg (1922–2006), microbial genetics; Cricket Lee (born 1953), clothing fitting; Tara Lemmey (fl 2010s), information technology; Jennifer A. Lewis (born 1964 ...
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Kwolek is a Polish surname. Notable people with the surname include: Bartosz Kwolek (born 1997), Polish volleyball player; Stephanie Kwolek (1923–2014), American chemist; Charles Peter Kwolek III (born 1990), Polish DIII ATHLETE AKA KING RACKS