Polymer Enhancements Flashcards

1
Q

Polymer enhancements

A
  1. Lubricant
  2. Thermal antioxidants
  3. Pigments
  4. Antistatics
  5. flame retardants
  6. Plasticisers
  7. Fillers
  8. Biodegradable plasticisers
  9. Bio-batch additives
  10. Antioxidants
  11. UV light stabilisers
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2
Q
  1. Lubricants
A

Makes molten polymer less viscous so moulding is easier

Moulding temp lower - saves energy

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3
Q
  1. Thermal antioxidants
A

Prevent polymer oxidising/discolouring because of heat

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4
Q
  1. Pigments
A

Particles added in molten state to change colour

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5
Q
  1. Anti-statics
A

Reduces static charge

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6
Q
  1. Flame retardants
A

Prevents combustion (eg plug sockets)

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7
Q
  1. Plasticisers
A

Reduces how brittle object is
Eg added to LPDE in food wrap to stretch it

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8
Q
  1. Fillers
A

Sawdust bulks product so less polymer needed

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9
Q
  1. Biodegradable plasticisers
A

Polymers more flexible - inc plasticity

Breaks down easy

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10
Q
  1. Bio-batch additives
A

Oxy/photo / hydro degradable to reduce degredation time

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11
Q
  1. Antioxidants
A

Helps reduce decomposition / discolouration via air

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12
Q
  1. UV light stabilisers
A

Prevent UV light discolouration
Eg outdoor toys

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