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polymers Flashcards

(74 cards)

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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
What is the effect of durability?
Product maintains aesthetic for a long time
26
What is the effect of stability on a product?
Product will not warp or bend over time
27
What is a thermoplastic?
A polymer that, when heated, becomes a plastic; meaning they can be heated and reshaped repeatedly
28
What is a thermoset?
A polymer that, when heated, becomes hard: and once formed, undergoes a chemical reaction that makes them permanently rigid
29
What is an elastomer?
A polymer that deforms under a force, and then immediately returns to its original shape once the force is removed
30
Is ABS a thermoplastic, thermoset or elastomer?
Thermoplastic
31
Is PMMA a thermoplastic, thermoset or elastomer?
Thermoplastic
32
Is PP a thermoplastic, thermoset or elastomer?
Thermoplastic
33
Is HIPS a thermoplastic, thermoset or elastomer?
Thermoplastic
34
Is EPS a thermoplastic, thermoset or elastomer?
Thermoplastic
35
Is LDPE a thermoplastic, thermoset or elastomer?
Thermoplastic
36
Is HDPE a thermoplastic, thermoset or elastomer?
Thermoplastic
37
Is PET a thermoplastic, thermoset or elastomer?
Thermoplastic
38
Is PC a thermoplastic, thermoset or elastomer?
Thermoplastic
39
Is rigid PVC a thermoplastic, thermoset or elastomer?
Thermoplastic
40
Is flexible PVC a thermoplastic, thermoset or elastomer?
Thermoplastic
41
Is nylon a thermoplastic, thermoset or elastomer?
Thermoplastic
42
Is MF a thermoplastic, thermoset or elastomer?
Thermoset
43
Is UF a thermoplastic, thermoset or elastomer?
Thermoset
44
Is a thermoplastic, thermoset or elastomer?
Thermoset
45
Is epoxy resin a thermoplastic, thermoset or elastomer?
Thermoset
46
Is polyester resin a thermoplastic, thermoset or elastomer?
Thermoset
47
Is LSR a thermoplastic, thermoset or elastomer?
Elastomer
48
Is TPE/TPR a thermoplastic, thermoset or elastomer?
Elastomer
49
Is polybutadiene a thermoplastic, thermoset or elastomer?
Elastomer
50
Is neoprene a thermoplastic, thermoset or elastomer?
Elastomer
51
Is natural rubber a thermoplastic, thermoset or elastomer?
Elastomer
52
Is vulcanized natural rubber a thermoplastic, thermoset or elastomer?
Elastomer
53
What is an example of ABS?
Car parts (wheel covers ect)
54
What is an example of PMMA?
Car windows
55
What is an example of PP?
Plastic chair
56
What is an example of HIPS?
Plastic cup
57
What is an example of EPS?
Packaging
58
What is an example of LDPE?
Plastic bag
59
What is an example of HDPE?
Plastic crate
60
What is an example of PET?
Plastic water bottle
61
What is an example of PC?
Goggles
62
What is an example of rigid PVC?
Water pipes
63
What is an example of flexible PVC?
Bouncy castle
64
What is an example of nylon?
Sleeping bags, seatbelts
65
What is an example of MF?
laminated countertops
66
What is an example of UF?
Plug socket
67
What is an example of epoxy resin?
Adhesives
68
What is an example of polyester resin?
Costume jewellery, paperweights ect
69
What is an example of LSR?
Silicon mould
70
What is an example of TPE/TPR?
Screwdrivers
71
What is an example of polybutadiene?
Tyres
72
What is an example of neoprene?
Wetsuit
73
What is an example of natural rubber?
Gloves
74
What is an example of vulcanized natural rubber?
Rubber hoses, hockey pucks

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