History of HIPS TV Cabinets Quiz

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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?

Adding rubber for improved flexibility Signup and view all the answers

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

Contact lenses Signup and view all the answers

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

Improved flame retardancy Signup and view all the answers

What is one advantage of ABS over phenolic?

High gloss finish Signup and view all the answers

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

Polycarbonate & ABS blend (PC/ABS) Signup and view all the answers

What is the primary purpose of an angioplasty balloon?

To compress obstructing plaque in a clogged artery Signup and view all the answers

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

Surgery involves removing the plaque, while angioplasty compresses it Signup and view all the answers

What type of plastics are used in making angioplasty balloons?

PET, nylon 11, or nylon 12 Signup and view all the answers

What was the first commercially successful semi-synthetic plastic?

Celluloid Signup and view all the answers

How have telephones evolved over time according to the text?

Through the use of new plastic materials and processing technologies Signup and view all the answers

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

Parkesine Signup and view all the answers

Who discovered the first synthetic plastic known as Bakelite?

Dr. Leo H. Baekeland Signup and view all the answers

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

Bakelite Signup and view all the answers

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

Camphor Signup and view all the answers

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

Combs Signup and view all the answers

What are nanocomposites in the field of nanoscience?

Plastics reinforced with nano-clays or nanofibers Signup and view all the answers

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

Due to feedstock shortages and petrochemical price increases Signup and view all the answers

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

Corn Signup and view all the answers

What is the primary purpose of a coating?

Primarily decorative, functional, or both Signup and view all the answers

Why are nanocomposites like the minivan step significant?

Offer unprecedented mechanical performance and barrier properties Signup and view all the answers

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

'Poly(lactic acid)' derived from corn Signup and view all the answers

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

Charles Goodyear Signup and view all the answers

Which early plastics molding company was founded by Alfred Critchlow?

Pro Molding Corporation 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?

1862 Signup and view all the answers

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

Florence Compound Signup and view all the answers

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

Alfred Critchlow Signup and view all the answers

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

Vulcanized rubber Signup and view all the answers