History of HIPS TV Cabinets Quiz
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Questions and Answers

What is the purpose of using high impact polystyrene (HIPS) in television cabinets?

  • To increase weight
  • To enhance transparency
  • To provide flame retardant properties (correct)
  • To improve flexibility
  • Which company was the first to market polymethyl methacrylate (PMMA) commercially?

  • Rohm and Haas (correct)
  • Dr. Wallace H.
  • E.I. duPont de Nemours Company
  • Plexiglas® Company
  • What is a notable property of PMMA that makes it suitable for automotive tail light lenses?

  • Superior optical properties (correct)
  • High weight
  • Low transparency
  • High flexibility
  • In the context of plastic materials, what does the term 'rubber toughened' refer to?

    <p>Adding rubber for improved flexibility</p> Signup and view all the answers

    What was the original purpose of PMMA when it was first introduced?

    <p>Contact lenses</p> Signup and view all the answers

    What distinguishes HIPS from PS in terms of its application properties?

    <p>Improved flame retardancy</p> Signup and view all the answers

    What is one advantage of ABS over phenolic?

    <p>High gloss finish</p> Signup and view all the answers

    What material are today's cell phones typically made of?

    <p>Polycarbonate &amp; ABS blend (PC/ABS)</p> Signup and view all the answers

    What is the primary purpose of an angioplasty balloon?

    <p>To compress obstructing plaque in a clogged artery</p> Signup and view all the answers

    How is balloon angioplasty different from coronary artery bypass grafting surgery?

    <p>Surgery involves removing the plaque, while angioplasty compresses it</p> Signup and view all the answers

    What type of plastics are used in making angioplasty balloons?

    <p>PET, nylon 11, or nylon 12</p> Signup and view all the answers

    What was the first commercially successful semi-synthetic plastic?

    <p>Celluloid</p> Signup and view all the answers

    How have telephones evolved over time according to the text?

    <p>Through the use of new plastic materials and processing technologies</p> Signup and view all the answers

    Which material was never commercialized due to its high cost compared to vulcanized rubber?

    <p>Parkesine</p> Signup and view all the answers

    Who discovered the first synthetic plastic known as Bakelite?

    <p>Dr. Leo H. Baekeland</p> Signup and view all the answers

    What material is a thermosetting 'phenolic' plastic that was more stable compared to celluloid?

    <p>Bakelite</p> Signup and view all the answers

    What did John Wesley Hyatt blend with nitrocellulose to create celluloid?

    <p>Camphor</p> Signup and view all the answers

    Which product was NOT mentioned as a use of the material Bakelite?

    <p>Combs</p> Signup and view all the answers

    What are nanocomposites in the field of nanoscience?

    <p>Plastics reinforced with nano-clays or nanofibers</p> Signup and view all the answers

    Why are manufacturers turning back to natural resources for producing plastics?

    <p>Due to feedstock shortages and petrochemical price increases</p> Signup and view all the answers

    What is the material 'poly(lactic acid)' derived from?

    <p>Corn</p> Signup and view all the answers

    What is the primary purpose of a coating?

    <p>Primarily decorative, functional, or both</p> Signup and view all the answers

    Why are nanocomposites like the minivan step significant?

    <p>Offer unprecedented mechanical performance and barrier properties</p> Signup and view all the answers

    Which type of plastics are often biodegradable due to their agricultural origin?

    <p>'Poly(lactic acid)' derived from corn</p> Signup and view all the answers

    Who is credited with discovering that adding sulfur to natural rubber greatly enhances its elasticity and toughness?

    <p>Charles Goodyear</p> Signup and view all the answers

    Which early plastics molding company was founded by Alfred Critchlow?

    <p>Pro Molding Corporation</p> Signup and view all the answers

    In which year was a new semi-synthetic plastic unveiled by Alexander Parkes at the Great International Exhibition in London?

    <p>1862</p> Signup and view all the answers

    What was the name of the plastic molding compound used by Alfred Critchlow for early plastic parts?

    <p>Florence Compound</p> Signup and view all the answers

    Who is considered to be the founder of the Pro Molding Corporation?

    <p>Alfred Critchlow</p> Signup and view all the answers

    What term is used to refer to Charles Goodyear's discovery of enhancing rubber properties by adding sulfur?

    <p>Vulcanized rubber</p> Signup and view all the answers

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