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Year 10 GCSE DT > Polymers > Flashcards

Polymers Flashcards

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1
Q

What are Thermoforming polymers?

A

Thermoforming polymers can be heated and formed repeatedly.

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2
Q

What are some examples of Thermoforming polymers?

A

-Acrylic (PMMA)
-High Impact Polystyrene (HIPS)
-High density polyethylene (HDPE)
-Polypropylene (PP)
-Polyvinyl chloride (PVC)
-Polyethylene terephthalate (PET)

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3
Q

What are the properties and uses of Acrylic (PMMA)?

A

Properties: Tough, brittle and shiny.
Uses: car lights and clothing.

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4
Q

What are the properties and uses of high impact Polystyrene (HIPS)?

A

Properties: Flexible and lightweight.
Uses: Yoghurt pots and vacuum formed products.

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5
Q

What are the properties and uses of high density polyethylene (HDPE)?

A

Properties: Stiff, strong and lightweight.
Uses: Milk bottles, pipes and wheelie bins.

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6
Q

What are the properties and uses of Polypropylene (PP)?

A

Properties: Flexible, tough and lighweight.
Uses: Kitchen,rope and medical products.

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7
Q

What are the properties and uses of Polyvinyl chloride (PVC)?

A

Properties: Flexible and resistant to chemicals.
Uses: Raincoats and pipes.

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8
Q

What are the properties and uses of Polyethylene terephthalate (PET)?

A

Properties: Chemically restistant and fully recyclable.
Uses: Drinks bottles and food containers.

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9
Q

What are Thermosetting Polymers?

A

Thermosetting polymers are brittle and can only be formed once.

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10
Q

What are some example of Thermosetting polymers?

A

-Polyester resin (PR)
-Urea formaldehyde (UF)
-Epoxy resin (ER)
-Phenol formaldehyde (PF)
-Melamine formaldehyde (MF)

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11
Q

What are the properties and uses of polyester resin (PR)?

A

Properties: hard but becomes tough when mixed with glass.
Uses: encapsulating items.

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12
Q

What are the properties and uses of Urea Formaldehyde (UF)?

A

Properties: brittle and smooth finish.
Uses: electrical fittings.

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13
Q

What are the properties and uses of Epoxy resin (ER)?

A

Properties: good electrical insulator and heat resistant
Uses: electronic circuit boards.

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14
Q

What are the properties and uses of Phenol formaldeyphyde (PF)?

A

Properties: heat resistant and a good electrical insulator.
Uses: Snooker balls.

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15
Q

What are the properties and uses of Melamine formaldehyde (MF)?

A

Properties: lightweigh and brittle.
Uses: surfaces and worktops.

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Year 10 GCSE DT (8 decks)

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