POLYMERS

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polyamide
polyvinyl-chloride
POLYMERS
POLYTHENE
polystyrene
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Long Molecules Polymers

• MUST know how polymers are made
• SHOULD describe some use of polymers
• How many FOUR or more letter words from
• P O L Y M E R I S A T I O N

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Key question
Why has the development of plastics been
useful?
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Plastics
Advantages Disadvantages

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Can be easily moulded to shape
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Are not biodegradable
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Release toxic fumes when burnt
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Do not corrode over time
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Resistant to bacteria
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Mixed plastic difficult to recycle
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Can be easily coloured
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A polythene bag. Why do we wrap our food?
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A new leg made of polypropylene. In what ways can
polymers meet our need for health care?
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Why make bottles and food containers from PET (a
polyester)?
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A boat with polyester sails and a reinforced
plastic hull. Why sail in a boat like this?
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A painting in a shop in Zanzibar. The paint is
acrylic. Why do people buy pictures like this?
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Why does this farmworker need to wear a
polycarbonate face mask and synthetic rubber
gloves?
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Why use polycarbonate to make this roof over the
Manchester City stadium?
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Kevlar is the polymer in army helmets and
bulletproof clothing. What makes Kevlar so vital?
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Why does this diver choose to wear a wetsuit? The
suit is made of a synthetic rubber, neoprene.
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How does a nylon rope help to meet this climbers
need for safety?
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• Plastics are examples of polymers. Polymers are
  made from oil.
• A polymer
• Is a very big molecule
• Has a very long chain
• Is made from MONOMERS

Styrene polystyrene
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MONOMER POLYMER
ethene
polypropene
ester
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(No Transcript)
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• Monomers are used to make polymers.
• Monomers must be alkenes
• HAVE DOUBLE BONDS