The World of Polymers
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Questions and Answers

Who coined the term 'polymer'?

  • Macromolecular chemists
  • IUPAC
  • Jöns Jacob Berzelius (correct)
  • Hermann Staudinger
  • In which fields are polymers studied?

  • Environmental science and ecology
  • Polymer science, biophysics, and materials science and engineering (correct)
  • Biology and biochemistry
  • Chemistry and physics
  • Who proposed the modern concept of polymers as covalently bonded macromolecular structures?

  • IUPAC
  • Hermann Staudinger (correct)
  • Jöns Jacob Berzelius
  • Marie Curie
  • What are polymers composed of?

    <p>Monomers (C)</p> Signup and view all the answers

    What physical properties do polymers exhibit due to their large molecular mass?

    <p>Toughness and high elasticity (C)</p> Signup and view all the answers

    How is the raw plastic material fed into the barrel of the extruder?

    <p>From a hopper (A)</p> Signup and view all the answers

    What is the function of the die in the extrusion process?

    <p>Shaping the polymer into a hardening form (C)</p> Signup and view all the answers

    Who developed the first thermoplastic extrusion?

    <p>Paul Troester and Ashley Gershoff (A)</p> Signup and view all the answers

    What is the primary outcome of the plastics extrusion process?

    <p>Forming continuous profiles (C)</p> Signup and view all the answers

    In what form is the raw compound material commonly found in plastics extrusion?

    <p>Nurdles (small beads) (B)</p> Signup and view all the answers

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