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DT > Polymers > Flashcards

Polymers Flashcards

1
Q

What type of plastic is Acrylic (PMMA)

A

Thermoforming

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2
Q

What type of plastic is High-impact polystyrene (HIPS)

A

Thermoforming

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3
Q

What type of plastic is high density polythene (HDPE)

A

Thermoforming

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4
Q

What type of plastic is polypropylene (PP)

A

Thermoforming

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5
Q

What type of plastic is polyvinyl chloride (PVC)

A

Thermoforming

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6
Q

What type of plastic is polyethylene teraphthate (PET)

A

Thermoforming

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7
Q

What type of plastic is epoxy resin

A

Thermosetting

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8
Q

What type of plastic is melamine formaldehyde (MF)

A

Thermosetting

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9
Q

What type of plastic is phenol formaldehyde (PF)

A

Thermosetting

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10
Q

What type of plastic is polyester resin

A

Thermosetting

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11
Q

What type of plastic is urea formaldehyde (UF)

A

Thermosetting

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12
Q

Properties of Acrylic (PMMA)

A

Hard, excellent optical quality, good resistance to weathering, scratches easily.

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13
Q

Properties of HIPS

A

Tough hard and rigid, good impact resistance, lightweight

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14
Q

Properties of High density polythene (HDPE)

A

Hard and stiff, excellent chemical resistance

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15
Q

Properties of polypropylene (PP)

A

Tough, good thermal and chemical resistance, lightweight, fatigue resistant

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16
Q

Properties of polyvinyl chloride (PVC)

A

Hard and tough, good chemical resistance, low cost, can be rigid or flexible

17
Q

Properties of polyethylene teraphthate (PET)

A

Tough and durable, lightweight, food safe, impermeable to water low cost

18
Q

Properties of epoxy resin

A

Electrical insulator, good chemical and wear resistance

19
Q

Properties of melamine formaldehyde (MF)

A

Stiff, hard and stong, excellent resistance to heat, scratching and staining

20
Q

Properties of phenol formaldehyde (PF)

A

Hard, heat and chemical resistant, good electrical insulator, limited colours available

21
Q

Properties of polyester resin

A

Brittle but tough when laminated with glass fibre hard and resistant to UV

22
Q

Properties of urea formaldehyde (UF)

A

Stiff and hard, heat resistant, good electrical insulator

23
Q

Common uses of Acrylic (PMMA)

A

Car light unists, bath tubs, shop signage and displays

24
Q

Common uses of High-impact polystyrene

A

Children’s toys, yoghurt pots, refrigerator liners

25
Q

Common uses of High density polythene (HDPE)

A

Washing up bowls, buckets, milk crates, bottles and pipes

26
Q

Common uses of polypropylene

A

Toys, DVD and bluray cases, food packaging film, bottle caps and medical equipment

27
Q

Common uses of polyvinyl chloride (PVC)

A

Pipes, guttering, window frames

28
Q

Common uses of polythene treaphthate (PET)

A

Deinks bottles, food packaging

29
Q

Common uses of epoxy resin

A

Adhesives, PCB component encapsulation

30
Q

Common uses of melamine formaldehyde (MF)

A

Electrical fittings, saucepan handles, bowling balls

31
Q

Common uses of phenol formaldehyde (PF)

A

GRP boats, car body panels

32
Q

Common uses of urea formaldehyde

A

White electrical fittings, toilet seats, adhesives for MDF

33
Q

What do stabilisers do

A

Increase the resistance to UV radiation

34
Q

What do plasticisers do

A

To make the plastics flexible

35
Q

What do pigments do

A

Change the colour

36
Q

What do fillers do

A

Icrease the impact resistance

DT (3 decks)

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