Stronger Than Steel: How Chemist Stephanie Kwolek

  • Stephanie Louise Kwolek Obituary: The Obituary and Death ...

    Kwolek, who died Wednesday at 90, was a DuPont Co. chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in bulletproof vests and other body armor around the world. A pioneer as a woman in a heavily male field, Kwolek made the breakthrough while working on specialty fibers at a DuPont laboratory in Wilmington.

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  • Stephanie Kwolek, Kevlar Inventor, Dies at 90

    Jun 23, 2014· Kwolek, who died Wednesday at 90, was a DuPont Co. chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in bulletproof vests and other body armor around the world. A pioneer as a woman in a heavily male field, Kwolek made the breakthrough while working on specialty fibers at a DuPont laboratory in Wilmington.

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  • Chemist Stephanie Kwolek, inventor of Kevlar, dies at 90 ...

    Jun 20, 2014· Police Lt. David Spicer took four .45-calibre slugs to the chest and arms at point-blank range and lived to tell about it. Like thousands of other po...

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  • Chemist Stephanie Kwolek dies at 90 | Composites ...

    Jun 27, 2014· Stephanie L. Kwolek, a chemist known for developing Kevlar fiber used in bullet-proof gear died at age 90 on June 18 at a hospice in Wilmington, Del. The cause of death is currently unknown. Kwolek earned a degree in chemistry from Margaret Morrison Carnegie College of Carnegie Mellon University in 1946 and began her career at DuPont the same year.

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  • Inventor of Kevlar, tougher-than-steel fiber in ...

    Jun 21, 2014· Kwolek, who died Wednesday at 90, was a DuPont chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in bulletproof vests and other body armor around the world. A pioneer as a woman in a mostly male field, Kwolek …

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  • Stephanie Kwolek, Chemist Who Created Kevlar, Dies At 90 ...

    Jun 20, 2014· Stephanie Kwolek, Chemist Who Created Kevlar, Dies At 90 : The Two-Way Kwolek, a DuPont scientist, invented the remarkable fibers — lightweight, flexible and five times stronger than steel ...

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  • WITI - Stephanie L. Kwolek

    Stephanie’s research led to the discovery of Kevlar, a fiber five times stronger than steel, yet 43% lower in density than fiberglass. Kevlar is resistant to wear, corrosion, fatigue, and flame and is nonconductive. Kevlar in bulletproof vests has saved the lives of thousands of police officers.

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  • Stronger Than Steel: How Chemist Stephanie Kwolek Invented ...

    Aug 01, 2018· The resulting material is five times stronger than an equal weight of steel but lighter than fiberglass, and it could withstand high temperatures. Kwolek had developed exactly the material her...

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  • Inventor of Kevlar, tougher-than-steel fiber in ...

    Jun 21, 2014· Kwolek, who died Wednesday at 90, was a DuPont chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in bulletproof vests and other body armor around the world. A...

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  • STEPHANIE KWOLEK - Inventor of Kevlar - یک پزشک

    Jan 28, 2021· This is the case with chemist Stephanie Kwolek, who manufactured a bizarre liquid one day while working in a lab oratory. Rather than throw it out, she insisted on having it analyzed. The testing revealed that she had found a unique family of ultra-strong fibers that included what is now known as Kevlar. EARLY YEARS.

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  • Kevlar inventor, pioneer woman chemist Kwolek dies at 90 ...

    Jun 20, 2014· Stephanie Kwolek, a US chemist who invented the Kevlar fiber used in body armor and other bullet-proof gear, has died, her former employer said Friday. ... which is five times stronger than steel ...

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  • Stephanie Kwolek (1923–2014) - American Chemical Society

    In 1965, Stephanie Kwolek made an unexpected discovery that led to the creation of synthetic fibers so strong, not even steel bullets could penetrate them.

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  • Stephanie Kwolek: Stronger than Steel - Milkshake From ...

    Jul 08, 2020· Stephanie Kwolek: Stronger than Steel Author Varenya and Avishi , Leave a reply , 5 min read July 8, 2020 July 8, 2020 When things don’t go as planned, sometimes, it ends up changing your world.

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  • Stephanie Kwolek (Civ6) | Civilization Wiki | Fandom

    Five times stronger by weight than steel, Kevlar – the para-aramid synthetic fiber of exceptional strength and stiffness better known (to chemists at least) as poly-paraphenylene terephthalamide – has saved countless lives from countless bullets. It was invented by Stephanie Louise Kwolek, a research chemist at DuPont for forty years, in ...

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  • STEPHANIE KWOLEK Invention | Kevlar Fiber | Stronger than ...

    Feb 16, 2017· Subscribe Our Channel "News in Science"Alchemist Stephanie Kwolek discovered a fiber named KEVLAR. This fiber is 5 time stronger than steel.Watch Full Video ...

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  • Kevlar Inventor Stephanie Kwolek Dies at 90 ...

    Jun 23, 2014· Kwolek, who died Wednesday at 90, was a DuPont Co. chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in bulletproof vests and other body armor around the world. A pioneer as a woman in a heavily male field, Kwolek made the breakthrough while working on specialty fibers at a DuPont laboratory in Wilmington.

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  • Stephanie KWOLEK - Scientific Women

    Stephanie Louise Kwolek was an American chemist who invented poly-paraphenylene terephthalamide—better known as Kevlar. She was born in the Pittsburgh suburb of New Kensington, Pennsylvania. Kwolek won numerous awards for her work in polymer chemistry. Kwolek was born to Polish immigrant parents in New Kensington, Pennsylvania, in 1923.

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  • This is Stephanie: Read the Story of Stephanie Kwolek

    Aug 17, 2020· Stephanie was up for the challenge. She invented Kevlar fiber, which is made by spinning strands of polymer together. It’s five times stronger than steel, doesn’t rust, and makes a fabric that’s difficult to pierce. Kevlar is now used in more than 200 products, including spacecraft, cell phones, and bulletproof vests and helmets.

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  • Kevlar inventor Stephanie Kwolek dies - BBC News

    Jun 21, 2014· Stephanie Kwolek was a chemist at the DuPont company in Wilmington, Delaware, when she invented the stronger-than-steel fibre in 1965. It was initially intended to be used in automobile tyres.

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  • Stephanie Kwolek, the inventor of Kevlar, dies at 90 - CBS ...

    Jun 21, 2014· Kwolek, who died Wednesday at 90, was a DuPont Co. chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in …

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  • DuPont chemist Stephanie Kwolek, inventor of body army ...

    Jun 20, 2014· Kwolek, who died Wednesday at 90, was a DuPont Co. chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in bulletproof vests and other body armor around the world.

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  • Meet Stephanie Kwolek, the woman who gave us bulletproof ...

    Jul 31, 2019· Kwolek is the only woman to have ever received the award. Kwolek doing an interview for TV Tokyo in the 1980s. Hagley Digital Archive. Kwolek retired from DuPont in 1986, but continued consulting for the company, and served on various academic committees, including at the National Academy of Sciences. In her post-work life, she tutored high ...

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  • Stephanie Kwolek Obituary | Stephanie Kwolek Funeral ...

    Jun 18, 2014· Kwolek, who died Wednesday at 90, was a DuPont Co. chemist who in 1965 invented Kevlar, the lightweight, stronger-than-steel fiber used in …

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  • You Can Thank Chemist Stephanie Kwolek for Bulletproof ...

    Aug 21, 2019· There’s a pile of fibers that Stephanie Kwolek helped invent. ... career as a chemist, Kwolek was cooking up synthetic fibers in ... made was stiff, five times stronger than steel…

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  • Stephanie Kwolek - Wikipedia

    Mar 31, 2021· Nevertheless, Kwolek insisted, and when it was spun into a fabric, test results were beyond what any at DuPont had ever seen before. The fiber was five times stronger than steel. “It wasn’t exactly a ‘eureka moment,’” she told USA Today in 2007, adding she didn’t want to tell management at first because she was afraid the tests were ...

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  • Stephanie Kwolek

    After this breakthrough, many fibers were spun from liquid crystalline solutions. In 1971, Kwolek’s invention led to DuPont introducing poly-p-phenylene terephthalamide under the trade name Kevlar ®. Kevlar® can be made into strong, tough, stiff, high-melting fibers that are five times stronger per weight than steel.

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