C2 - New Materials

  • Fullernes
  • Nanoparticles
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What are nanoparticles?
Really small particles, they include fallerenes and are made of carbon arranged in hexagonal rings.
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What are fullerenes?
Molecules of carbon that can be joined together to form nanotubes.
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What are the properties of nanoparticles?
large surface area : volume so can be used for catalysts. They conduct electricity, and are ligher and stronger than most building materials.
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What are the properties of thermosoftening polymers?
Don't have crosslinking between chains, easy to melt. Can be moulded and remoulded into a new shape.
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What are the properties of thermosetting polymers?
Have crosslinks between chains, solid structure, doesn't soften when heated, strong, hard, rigid.
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What are the types of polythene?
Low density: heating ethene to 200 degrees under high pressure. Flexible. High density: heating ethene at a lower temperature and pressure (with catalyst). more rigid.
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Other cards in this set

Card 2

Front

What are fullerenes?

Back

Molecules of carbon that can be joined together to form nanotubes.

Card 3

Front

What are the properties of nanoparticles?

Back

Preview of the front of card 3

Card 4

Front

What are the properties of thermosoftening polymers?

Back

Preview of the front of card 4

Card 5

Front

What are the properties of thermosetting polymers?

Back

Preview of the front of card 5
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