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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.
Kevlar was initially used as a replacement for steel-belting in tires, and later for use in ropes, gaskets, and automotive and aviation parts. [ 1 ] [ 3 ] In 1971, Shubin, who was then the Director of Science and Technology for the National Institute for Law Enforcement and Criminal Justice, [ 4 ] suggested using Kevlar to replace nylon in ...
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
The remedy submission in turn delayed the commission's review deadline to April 4, 2017. The intended spins of the company businesses were expected to occur about 18 months after closing. [69] According to the Financial Times, the merger was "on track for approval in March" 2017. [70]
Kevlar is a registered trademark for a para-aramid synthetic fiber developed at DuPont in 1965 [1] and used commercially from the early 1970s onwards. On February 3, 2009, DuPont filed suit against Kolon for "theft of trade secrets and confidential information" relating to its product, Heracron .
Kevlar KM2 is a synthetic para-aramid fiber produced by DuPont. The fiber is an evolution of the original Kevlar fiber. The following quotes summarize Kevlar KM2's ...
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c. 50,000 BC – A discovered twisted fibre (a 3-ply cord fragment) indicates the likely use of clothing, bags, nets and similar technology by Neanderthals in southeastern France. [1] [2] c. 27000 BC – Impressions of textiles and basketry and nets left on small pieces of hard clay in Europe. [3] c. 25000 BC – Venus figurines depicted with ...