Acrylic Fibers: History and Composition
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Questions and Answers

What is the minimum percentage of acrylonitrile monomer required for a fiber to be called 'acrylic' in the US?

  • 40%
  • 85% (correct)
  • 20%
  • 60%
  • What are typical comonomers used in acrylic fibers?

  • Vinyl acetate or methyl acrylate (correct)
  • Polyethylene or polypropylene
  • Nylon-6,6 or polyester
  • Rayon or spandex
  • Which company created the first acrylic fibers and trademarked them under the name Orlon?

  • ExxonMobil
  • BASF
  • DuPont (correct)
  • Dow Chemical Company
  • What is modacrylic, a modified acrylic fiber, required to contain at least and at most in terms of acrylonitrile content?

    <p>35% and 85%</p> Signup and view all the answers

    How is the polymer for acrylic fiber formed?

    <p>By free-radical polymerization in aqueous suspension</p> Signup and view all the answers

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