Nylon and Polyesters in the Polymeric World

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18 Questions

Which thermoplastic material is known for being resistant to chemicals, ultraviolet light, impact, and abrasion?

Nylon

What type of polymer is polyethylene terephthalate (PET or PETE)?

Thermoplastic

Which of the following synthetic materials tends to shrink away from flames and self-extinguish?

Polyester

What is the main characteristic of elastomers that allows them to recover when the load is removed?

Molecular chains free to straighten

Which thermoset plastic is commonly used as an adhesive or in composite materials?

Epoxy resin

What characteristic makes polypropylene useful for small components like chair casters and rollers?

Low coefficient of friction

What effect does lowering the melting temperature of a plastic have on the molecular chain?

Reduces the freedom of movement

At what temperature does a plastic solidify at its melting-point temperature?

Exactly at its melting-point temperature

What effect do plasticizers have when added to plastics that have been lowered to a brittle state?

Reduce brittleness

In which environment are plastic wastes commonly found?

Ocean surfaces

What is a characteristic of bioplastics in terms of breakdown?

Break down in industrial composting facilities

What is one advantage of recycling plastics into products like outdoor furniture and floor tiles?

Uses less energy than manufacturing new plastic

What is a major VOC irritant often found in synthetic materials?

Formaldehyde

Which type of plastic becomes soft when heated and can be remolded?

Thermoplastics

What type of plastic has cross-linked molecular chains that reduce its flexibility?

Thermoset plastics

Which synthetic material is very clear, hard, lightweight, and chemical- and weather-resistant?

Acrylics

What gives thermoplastics their flexibility?

Long, tangled chains of molecules

Which type of material is becoming more readily available as an alternative to formaldehyde-containing materials?

Low VOCs

Explore the characteristics of nylon and polyesters, two important thermoplastic polymers. Learn about their properties, applications, and how they are classified based on their chemical structure.

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