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A Level DT > Polymers > Flashcards

Polymers Flashcards

1
Q

Types of polymers?

A

Thermoplastics
Thermosetting polymers
Elastomers
Biodegradable polymers

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2
Q

Types of Thermopolymers?

A

Acrylic
High impact polystyrene (HIPS)
Polypropylene (PP)
Nylon
Polyethylene terephthalate (PET)
Low density polyethylene (LDPE)
High density polyethylene (HDPE)
Polyvinyl chloride (PVC)

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3
Q

Types of thermoset polymers?

A

Urea formaldehyde (UF)
Melamine formaldehyde (MF)
Polyester resin
Expoxy resin

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4
Q

Types of elastomers?

A

Natural rubber
Butadiene rubber
Neoprene
Silicone

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5
Q

Types of biodegradable polymers?

A

Corn starch polymer
Potato pack
Biopol
Polylactide acid
Polyhydroxyalkar
Lactide
Glycoside

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6
Q

Properties of LDPE

A

good chemical resistance
Waterproof
Low level of rigidity

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7
Q

Properties of HDPE

A

Good chemical resistant
Weatherproof

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8
Q

Properties of PP

A

Transluscent
Good fatigue resistant
Good chemical resistant

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9
Q

Properties of HIPS

A

Translucent
Rigid

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10
Q

Properties of acrylic

A

Transluscent
Good chemical resistant

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11
Q

Properties of nylon

A

Temperature resistant
Low coefficient of friction
Corrosion resistant

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12
Q

Properties of PVC

A

Good weathering resistant
Flexible

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13
Q

Properties of Urea Formaldahyde

A

Electrical insulator
Heat resistant

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14
Q

Properties of Melamine formaldahyde

A

Food safe
Heat resistant
Chemical resistant

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15
Q

Properties of polyester resin

A

Rigid
Heat resistant

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16
Q

Properties of expoxy resin?

A

Clear
Rigid
Chemical resistant

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17
Q

Properties of ABS

A

Opaque
Hard and tough

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18
Q

Properties of uPVC

A

Fire retardant
Weathering resistant
Chemical resistant

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19
Q

Uses of acrylic

A

Car light casings
Lighting units
Baths

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20
Q

Uses of PP

A

Food containers
Hinge container lids

21
Q

Uses of PVC

A

Hose pipes
Inflatable products

22
Q

Uses of HIPS

A

Yogurt pots
Inflatable products

23
Q

Uses of HDPE

A

Kitchenware
Bowls
Carrier bags

24
Q

Uses of LDPE

A

Carrier bags
Bin lines
Food wrap film

25
Q

Uses of ABS

A

Handles
Remote control casings

26
Q

Uses of Nylon

A

Gears
Car engine manifolds
Cable ties

27
Q

Uses of uPVC

A

Guttering
Window frames
Water service pipes

28
Q

Uses of urea formaldahyde

A

Electrical fittings

29
Q

Uses of melamine formaldahyde

A

Picnic ware
Buttons

30
Q

Uses of polyester resin

A

Chair seats
Used in GRP

31
Q

Uses of Exposy resin

A

Used in CFRP
Adhesives
Surface coatings

32
Q

Uses of HDPE

A

Kitchenware
Bowls
Carrier bags

33
Q

Uses of LDPE

A

Carrier bags
Bin lines
Food wrap films

34
Q

Uses of ABS

A

Handles
Remote control casings
Domestic appliances

35
Q

Uses of Nylon

A

Gears
Car engine manifolds

36
Q

Uses of uPVC

A

Water service pipes
Guttering
Window frames

37
Q

Uses of urea formaldahyde

A

Electrical fittings

38
Q

Uses of melamine formaldahyde

A

Picnic ware
Buttons

39
Q

Uses of polyester resin

A

Chair seats
GRP

40
Q

Uses of expose resin

A

Used in CFRP
Surface coatings

41
Q

Properties of natural rubber

A

High tensile strength
Good cold resistance

42
Q

Properties of buradiene rubber

A

Wear resistance against friction
Thermal resistance against friction

43
Q

Properties of Neoprene

A

Oil and chemical resistance
Abrasion resistance
Weather resistance

44
Q

Properties of silicone

A

Good lubricating qualities
Flexible at low temperatures

45
Q

Uses of natural rubber

A

Tyres
Hoses
Balloons

46
Q

Uses of butadiene rubber

A

Conveyer belts
Shoe soles

47
Q

Uses of neoprene

A

Wetsuits
Door seals

48
Q

Uses of silicone

A

Ice cube trays
Cooking utensils
Lubricants for prosthetics

A Level DT (8 decks)

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