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Chemistry > Polymers > Flashcards

Polymers Flashcards

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1
Q

Name 4 natural polymers

A

Silk
Rubber
Cotton
Wool

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2
Q

Name 4 or 6 synthetic polymers

A 
Polyethene
Kevlar
Nilon
Polystyrene
PVA
PVC
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3
Q

How does polymerisation work

A

A monomer eg ethene gets polymerised into a polymer eg polyethene

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4
Q

What are most monomers made from

A

Crude oil

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5
Q

How are entangled chains formed

A

When the polymer cools fast

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6
Q

How are alighned chains formed

A

When it cools down slowely

Has more time to go neetly in rows

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7
Q

The greater the crystallinity, the…

A

The stronger but less flexible

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Chemistry (4 decks)

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