Polymeric Materials

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Questions and Answers

Which term describes a molecule made up of the repetition of some simpler unit?

  • Thermoplastic
  • Polymer (correct)
  • Elastomeric
  • Monomer

Which of the following is an example of a natural polymer?

  • Nylon
  • Polystyrene
  • Polyethylene
  • Cellulose (correct)

What is the difference between thermoplastic and thermosetting polymers?

  • Thermoplastic polymers can be melted and re-molded, while thermosetting polymers cannot be melted and re-molded. (correct)
  • Thermoplastic polymers and thermosetting polymers cannot be melted or re-molded.
  • Thermoplastic polymers cannot be melted and re-molded, while thermosetting polymers can be melted and re-molded.
  • Thermoplastic polymers and thermosetting polymers have the same melting and re-molding properties.

What is the repeating structure in most polymers based on?

<p>Carbon backbone (D)</p> Signup and view all the answers

Which of the following can be both naturally occurring and synthetically produced?

<p>Natural rubber (A)</p> Signup and view all the answers

Flashcards

Polymer Definition

A molecule made up of repeating simpler units.

Natural Polymer Example

Cellulose is a naturally occurring polymer.

Thermoplastic vs. Thermosetting

Thermoplastics can be melted and reshaped, thermosets cannot.

Polymer Backbone

Most polymers have a carbon-based backbone.

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Naturally Occurring/Synthetic Polymer

Natural rubber can be both naturally occurring and synthetically made.

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