Stephanie Kwolek

Descrição

11th grade Science Mapa Mental sobre Stephanie Kwolek, criado por Joseph Gianotti em 18-03-2021.
Joseph Gianotti
Mapa Mental por Joseph Gianotti, atualizado more than 1 year ago
Joseph Gianotti
Criado por Joseph Gianotti mais de 3 anos atrás
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Resumo de Recurso

Stephanie Kwolek
  1. Stephanie earned a Bachelor of Science degree with a major in chemistry from Carnegie Mellon University.
    1. She began working at DuPont in 1946.
      1. There, she searched for a synthetic material to create a fiber that was able to withstand extreme conditions
        1. Discovered that after being dissolved in solvent, aramid polyamides could be spun into fibers of extraordinary strength and stiffness
          1. The material was 5x stronger than steel, extremely lightweight, and didn’t rust or corrode
            1. This fiber was patented in 1966—DuPont named it Kevlar
      2. She also discovered the family of synthetic fibers: poly-paraphenylene terephthalamide
        1. Patented a method with her coworkers for preparing PBO and PBT polymers

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