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Chemistry > C2 Material Choices-3 > Flashcards

C2 Material Choices-3 Flashcards

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1
Q

We chose polymers with different properties so they are…

A

Suited to a particular use

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2
Q

A good property for a coat

A bad property for a coat

A

Non-porous, flexible etc

Porous, hard, etc

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3
Q

Different properties of polymers depend on how their…… are arranged and held together

A

molecules

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4
Q

How will a polymer affect a molecule with strong forces between them.

  1. Strength
  2. Stiffness
  3. Hardness
  4. Melting point
A

1.Stronger
2.Stiffer
3.Harder
4.Higher
This is because more energy is needed to break the bonds

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5
Q

Making modifications to the polymers produce changes to their properties like..«<Know that

A

Affect: chain length
Cross-linking
Plasticizes
Increased Crystallinity

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Chemistry (9 decks)

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