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polymers Flashcards

1
Q

What is the definition of density?

A

The mass per unit of volume

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2
Q

What is the effect of density on a product?

A

Effects the products weight

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3
Q

What is the definition of fusibility?

A

The ability to change into a liquid when heated to a certain temperature-melting point

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4
Q

What is the effect of fusibility on a product?

A

Product able to be a complex shape

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5
Q

What is the definition of conductivity?

A

The ability to conduct electrical current or heat

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6
Q

What is the effect of conductivity on a product?

A

Product able to conduct or insulate from heat or electricity

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7
Q

What is the definition of thermal expansion?

A

The amount that a material expands when heated

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8
Q

What is the effect of thermal expansion on a product?

A

Product able to be used in hot or cold places

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9
Q

What is the definition of strength?

A

The ability to withstand force without breaking or being permanently deformed

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10
Q

What is the effect of strength on a product?

A

Product able to support or withstand weight and force

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11
Q

What is the definition of elasticity?

A

The ability to bend and flex when subjected to a force, and then return to original form when force removed

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12
Q

What is the effect of elasticity on a product?

A

Provides comfort for user

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13
Q

What is the definition of plasticity?

A

The ability to be permanently changed in shape by the application of an external force without breaking or fracturing

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14
Q

What is the definition of malleability?

A

The ability to be changed permanently in shape by the application of a compressive force without breaking or fracturing

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15
Q

What is the definition of ductility?

A

The ability to be changed permanently in shape by the application of a tensile force without breaking or fracturing

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16
Q

What is the definition of hardness?

A

The ability to resist abrasive wear, indentation and deformation

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17
Q

What is the definition of toughness?

A

The ability to withstand sudden stress in the forms of shocks or blows without fracturing

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18
Q

What is the definition of durability?

A

The ability to withstand wear, tear and deterioration over time

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19
Q

What is the definition of stability?

A

The ability to resist changes in shape and size over time

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20
Q

What is the effect of plasticity on a product?

A

Sheet material can be formed into simple shapes

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21
Q

What is the effect of malleability on a product?

A

Product can be pressed into shape

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22
Q

What is the effect of ductility on a product?

A

Product can be made into wire or tubing

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23
Q

What is the effect of hardness on a product?

A

Product is scratch resistant

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24
Q

What is the effect of toughness on a product?

A

Product is impact resistant

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25
Q

What is the effect of durability?

A

Product maintains aesthetic for a long time

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26
Q

What is the effect of stability on a product?

A

Product will not warp or bend over time

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27
Q

What is a thermoplastic?

A

A polymer that, when heated, becomes a plastic; meaning they can be heated and reshaped repeatedly

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28
Q

What is a thermoset?

A

A polymer that, when heated, becomes hard: and once formed, undergoes a chemical reaction that makes them permanently rigid

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29
Q

What is an elastomer?

A

A polymer that deforms under a force, and then immediately returns to its original shape once the force is removed

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30
Q

Is ABS a thermoplastic, thermoset or elastomer?

A

Thermoplastic

31
Q

Is PMMA a thermoplastic, thermoset or elastomer?

A

Thermoplastic

32
Q

Is PP a thermoplastic, thermoset or elastomer?

A

Thermoplastic

33
Q

Is HIPS a thermoplastic, thermoset or elastomer?

A

Thermoplastic

34
Q

Is EPS a thermoplastic, thermoset or elastomer?

A

Thermoplastic

35
Q

Is LDPE a thermoplastic, thermoset or elastomer?

A

Thermoplastic

36
Q

Is HDPE a thermoplastic, thermoset or elastomer?

A

Thermoplastic

37
Q

Is PET a thermoplastic, thermoset or elastomer?

A

Thermoplastic

38
Q

Is PC a thermoplastic, thermoset or elastomer?

A

Thermoplastic

39
Q

Is rigid PVC a thermoplastic, thermoset or elastomer?

A

Thermoplastic

40
Q

Is flexible PVC a thermoplastic, thermoset or elastomer?

A

Thermoplastic

41
Q

Is nylon a thermoplastic, thermoset or elastomer?

A

Thermoplastic

42
Q

Is MF a thermoplastic, thermoset or elastomer?

43
Q

Is UF a thermoplastic, thermoset or elastomer?

44
Q

Is a thermoplastic, thermoset or elastomer?

45
Q

Is epoxy resin a thermoplastic, thermoset or elastomer?

46
Q

Is polyester resin a thermoplastic, thermoset or elastomer?

47
Q

Is LSR a thermoplastic, thermoset or elastomer?

48
Q

Is TPE/TPR a thermoplastic, thermoset or elastomer?

49
Q

Is polybutadiene a thermoplastic, thermoset or elastomer?

50
Q

Is neoprene a thermoplastic, thermoset or elastomer?

51
Q

Is natural rubber a thermoplastic, thermoset or elastomer?

52
Q

Is vulcanized natural rubber a thermoplastic, thermoset or elastomer?

53
Q

What is an example of ABS?

A

Car parts (wheel covers ect)

54
Q

What is an example of PMMA?

A

Car windows

55
Q

What is an example of PP?

A

Plastic chair

56
Q

What is an example of HIPS?

A

Plastic cup

57
Q

What is an example of EPS?

58
Q

What is an example of LDPE?

A

Plastic bag

59
Q

What is an example of HDPE?

A

Plastic crate

60
Q

What is an example of PET?

A

Plastic water bottle

61
Q

What is an example of PC?

62
Q

What is an example of rigid PVC?

A

Water pipes

63
Q

What is an example of flexible PVC?

A

Bouncy castle

64
Q

What is an example of nylon?

A

Sleeping bags, seatbelts

65
Q

What is an example of MF?

A

laminated countertops

66
Q

What is an example of UF?

A

Plug socket

67
Q

What is an example of epoxy resin?

68
Q

What is an example of polyester resin?

A

Costume jewellery, paperweights ect

69
Q

What is an example of LSR?

A

Silicon mould

70
Q

What is an example of TPE/TPR?

A

Screwdrivers

71
Q

What is an example of polybutadiene?

72
Q

What is an example of neoprene?

73
Q

What is an example of natural rubber?

74
Q

What is an example of vulcanized natural rubber?

A

Rubber hoses, hockey pucks

product design (1 decks)

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