Polymerisation

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What is polymerisation?
Joining lots of small alkene molecules to form large, long-chain molecules
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What are the small alkene molecules called?
Monomers
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What are the large, long-chain molecules called?
Polymers
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What affects the physical properties of a polymer?
The monomers used and the temperature/pressure of the reaction
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Describe two uses of polymers
Elastic fibres used to make LYCRA/Hydrogel dressings keep wounds moist/Dental polymers used for resin tooth fillings/Mattresses made from memory foam mould to body shape
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Give a disadvantage of polymers
Aren't biodegradable (do not rot)/Will become more expensive in the future
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Why is the cost of polymers likely to rise in the future?
Polymers are made from crude oil, a resource that is quickly getting used up. As this happens, the cost of it will rise.
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Other cards in this set

Card 2

Front

What are the small alkene molecules called?

Back

Monomers

Card 3

Front

What are the large, long-chain molecules called?

Back

Preview of the front of card 3

Card 4

Front

What affects the physical properties of a polymer?

Back

Preview of the front of card 4

Card 5

Front

Describe two uses of polymers

Back

Preview of the front of card 5
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