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Textiles > 1.6 > Flashcards

1.6 Flashcards

1
Q

Polymers (thermoforming):
What are the properties of ‘Acrylic’? (PMMA)

A

Hard
Excellent optical qualities
Good resistance to weathering
Scratches easily
Brittle if thin

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2
Q

Polymers (thermoforming):
What are common uses of ‘Acrylic’? (PMMA)

A

Spun into threads and woven - to mimic wool
Car lights

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3
Q

Polymers (thermoforming):
What are the properties of ‘High Impact Polystyrene’? (HIPS)

A

Shatterproof
Good insulator
Flexible
Easily mouldable
Lightweight
Good gloss finnish
Impact resistant

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4
Q

Polymers (thermoforming):
What are the common uses of ‘High Impact Polystyrene’? (HIPS)

A

Children’s toys
Yoghurt pots
Refrigerator liners

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5
Q

Polymers (thermoforming):
What are the properties of ‘Hight Density Polyehelene’? (HDPE)

A

Hard and Stiff
Excelent chemical/cracking and rip resistance
Lightweight
Stiff

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6
Q

Polymers (thermoforming):
What are the common uses of ‘Hight Density Polyehelene’? (HDPE)

A

Bins

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7
Q

Polymers (thermoforming):
What are the properties of ‘Polyppropylene’? (PP)

A

Versatike
Low density
Ductile
Chemically resistant
Easily cleaned

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8
Q

Polymers (thermoforming):
What are the common uses of ‘Polyppropylene’? (PP)

A

Toys
DVD and blu-ray cases
Food
Packing film
Bottle caps
Medical equipment

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9
Q

Polymers (thermoforming):
What are the properties of ‘Polyvinyl Chloride’? (PVC)

A

Hard and tough
Good chemical and weather resistant
Low cost
Can be rigid or flexible
Easily extruded

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10
Q

Polymers (thermoforming):
What are the common uses of ‘Polyvinyl Chloride’? (PVC)

A

Packing
Pipes
Outwear
Electrical tapes
Children’s toys

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11
Q

Polymers (thermoforming):
What are the properties of ‘Polyethylene Terephthalate’? (PET)

A

Lightweight
Chemically resistant
Stable
Easily blow moulded
Recyclable

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12
Q

Polymers (thermoforming):
What are the common uses of ‘Polyethylene Terephthalate’? (PET)

A

Drinks bottles
Food packaging
(single use plastics)

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13
Q

General properties of ‘Thermoforming Polymers’

A

Good surface finnish
Can be repeatedly heated and moulded
Recyclable
Not suitable for use in areas of heat/UV sensitivity

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14
Q

Polymers (thermosetting):
What are the properties of ‘Epoxy Resin’?
(Supplied as 2 liquids - a resin and a hardner which acts as a catalyst to set the resin)

A

Good strength to weight ratio
Adheres well to fibreglass and carbon fibre (to reinforce it)
Incredibly strong adhesive
Toxic fumes

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15
Q

Polymers (thermosetting):
What are the common uses of ‘Epoxy Resin’?

A

As adhesives

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16
Q

Polymers (thermosetting):
What are the properties of ‘Polyester Resin’?
(Viscose, pale polyester solution)

A

Stiff, hard and strong
Excelent resistance to heat, scratching and staining
High abrasion resistance
Can be casted and painted

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17
Q

Polymers (thermosetting):
What are the common uses of ‘Polyester Resin’?

A

Flooring
Object embedding
Clear sculpture casting
Jewellery making
Resin replicas (anatomical models)

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18
Q

Polymers (thermosetting):
What are the properties of ‘Phenol Formaldehyde’?

A

Very rigid and hard

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19
Q

Polymers (thermosetting):
What are the common uses of ‘Phenol Formaldehyde’?

A

Electrical components
Household items (radios/clocks)

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20
Q

Polymers (thermosetting):
What are the properties of ‘Melamine Formaldehyde’?

A

Brittle but becomes tough when laminated with glass fibre
Hard and rigid
Resistant to UV
Heavy
Heat and chemical resistant
Prone to chipping

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21
Q

Polymers (thermosetting):
What are the common uses of ‘Melamine Formaldehyde’?

A

Picnic wear = lots of differnt colours
A laminate for kitchen surfaces

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22
Q

Polymers (thermosetting):
What are the properties of ‘Urea Formaldehyde’?

A

Hard and rigid
Good electrical insulator
Heat resistant

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23
Q

Polymers (thermosetting):
What are the common uses of ‘Urea Formaldehyde’?

A

Plug sockets and plufgs
Treating fabric - anti-wrinckling (crease resistance)
Binding to MDF boards

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24
Q

General properties of ‘Thermosetting Polymers’

A

Cannot be reformed/remoulded once set into shape
Can withstand high temperatures
Waterproof when solid - ideal for adhesives
Non-recyclable
Good electrical insulators

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25
Q

Papers and Boards:
What are the properties of ‘Tracing paper’?

A

Thin
Transparent

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26
Q

Papers and Boards:
What is ‘Tracing paper’ used for?

A

Used for tracing images

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27
Q

Papers and Boards:
What are the properties of ‘Bleedproof paper’?

A

Smooth
Prevents markers from bleeding

28
Q

Papers and Boards:
What is ‘Bleedproof paper’ used for?

A

Used with marker pens

29
Q

Papers and Boards:
What are the properties of ‘Grid paper’?

A

White paper printed with grid lines e.g. isometric

30
Q

Papers and Boards:
What is ‘Grid paper’ used for?

A

Ued for accurate drawings

31
Q

Papers and Boards:
What are the properties of ‘Cartridge paper’?

A

Good quality thick white paper
Often has a slight texture

32
Q

Papers and Boards:
What is ‘Cartridge paper’ used for?

A

Used for drawing

33
Q

Papers and Boards:
What are the properties of ‘Layout paper’?

A

Translucent
Lightweight
Smooth finnish

34
Q

Papers and Boards:
What is ‘Layout paper’ used for?

A

Used for sketching

35
Q

Papers and Boards:
What are the properties of ‘Duplex card’?

A

Thin
One layer suitable for printing

36
Q

Papers and Boards:
What is ‘Duplex card’ used for?

A

Breakfast cereal boxes

37
Q

Papers and Boards:
What are the properties of ‘Corrugated card’?

A

Strong
Lightweight
2+ layers with fluted middle
Good insuators

38
Q

Papers and Boards:
What is ‘Corrugated card’ used for?

A

Takeawat boxes

39
Q

Papers and Boards:
What are the properties of ‘Foam core board’?

A

Two peices of board with a foam core
Thick but very light
Smooth surface

40
Q

Papers and Boards:
What is ‘Foam core board’ used for?

A

Used for displays

41
Q

Papers and Boards:
What are the properties of ‘Foil lined board’?

A

Board laminated on inside with aluminium foil
Good insulators
Stiff

42
Q

Papers and Boards:
What is ‘Foil lined board’ used for?

A

Takeaway hot food container

43
Q

Papers and Boards:
What are the properties of ‘Ink jet card’?

A

Brilliant white trated card to create a smooth finnish

44
Q

Papers and Boards:
What is ‘Ink jet card’ used for?

A

Used for printing

45
Q

Papers and Boards:
What are the properties of ‘Solid white board’?

A

Good quality cradboard
Smooth finnish on both sides
Brilliant white finnish
Easily cut/creased

46
Q

Papers and Boards:
What is ‘Solid white board’ used for?

A

Greetings card

47
Q

State two reasons why corrugated cardboard is used as packaging for cooked pizza. (2 marks)

A

it is strong and lghtweight

48
Q

Natural timbers:
Name 3 ‘Soft woods’ (cost effective and readily sourced)

A

Larch
Pine
Spruce

49
Q

Natural timbers:
What are the properties of ‘Larch’?

A

Tough
Easy to work with
Naturally resistant to rot

50
Q

Natural timbers:
What are the properties of ‘Pine’?

A

Soft
Easy to work with
Can be quite knotty

51
Q

Natural timbers:
What are the properties of ‘Spruce’?

A

Lightweight
Easy to work with
Good resonant properties

52
Q

Natural timbers:
Name 5 ‘Hard woods’ (decidous - loose leaves)

A

Balso
Oak
Mahogany
Ash
Beech

53
Q

Natural timbers:
What are the properties of ‘Balso’?

A

Soft
Lightweight
Fast growing
Strong

54
Q

Natural timbers:
What are the properties of ‘Oak’?

A

Tough
Hard
Durable

55
Q

Natural timbers:
What are the properties of ‘Mahogany’?

A

Strong
Durable
Available in wide planks

56
Q

Natural timbers:
What are the properties of ‘Ash’?

A

Tough
Flexible
Finnishes well

57
Q

Natural timbers:
What are the properties of ‘Beech’?

A

Hard
Tough
Strong

58
Q

Manufactured timbers:
What are manufactured boards commonly made from?

A

Woods fibres, chips, blocks or sheets bonded with resin

59
Q

Manufactured timbers:
What are the general properties of Manufactured boards?

A

Available in large sheets
Susceptible to moisture
Stable - less likely to waro/twist/shrink/bow
Smooth, flat surface
Can be made from sawmill scraps, reycled wood, low grade timbers and even sawdust

60
Q

Manufactured timbers:
What are the properties of ‘Medium density fibreboard’? (MDF)

A

Relatively cheap
Flat, smooth surface

61
Q

Manufactured timbers:
What are the common uses of ‘Medium density fibreboard’? (MDF)

A

Flat pack furniture
Shop interiors

62
Q

Manufactured timbers:
What are the properties of ‘Plywood’?

A

Very strong
Flat, smooth finnish

63
Q

Manufactured timbers:
What are the common uses of ‘Plywood’?

A

Laminated flooring and roofing
Furniture

64
Q

Manufactured timbers:
What are the properties of ‘Chip board’?

A

Least expensive - really cheap
Good compressive strength
Edges chip easily

65
Q

Manufactured timbers:
What are the common uses of ‘Chip board’?

A

Worktops
Cupboards
Flooring

Textiles (6 decks)

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