Performance Characteristics Of Materials - Polymers

Question 1

Is oil a finite resource

Answer 1

Yes

Question 2

What fraction do polymers come from

Answer 2

Naphtha fraction

Question 3

How many types of polymers are there

Answer 3

3

Question 4

What are the three types of polymers

Answer 4

Thermoplastics
Thermoset polymers
Elastomers

Question 5

Are polymers self finishing

Answer 5

Yes

Question 6

What can damage polymers

Answer 6

UV degredation

Question 7

What is the thermoplastic low density polyethylene (LDPE) used for

Answer 7

Squeezy detergent bottles
Carrier bags
Bin liners
Food wrap film

Question 8

What is the thermoplastic high density polyethylene (HDPE) used for

Answer 8

Chemical drums
Jerry cans
Buckets

Question 9

What is the thermoplastic polypropylene (PP) used for

Answer 9

Food containers
Medical equipment

Question 10

What is the thermoplastic high impact polyestrene (HIPS) used for

Answer 10

Single use drink cups

Question 11

What is the thermoplastic ABS used for

Answer 11

Remote control casings

Question 12

What is the thermoplastic PMMA used for

Answer 12

Car light casings

Question 13

What is the thermoplastic PVC used for

Answer 13

Hose pipes
Seat coverings

Question 14

What is the thermoplastic uPVC used for

Answer 14

Guttering and downpipes

Question 15

What is a thermoplastic

Answer 15

Can be melted down and reformed

Question 16

What are thermoset polymers

Answer 16

Heat resistant once set
Cannot be remelted down

Question 17

What is the thermoset polymer urea formaldehyde (UF) used for

Answer 17

Electrical fittings

Question 18

What is the thermoset polymer polyester resin used for

Answer 18

Chair seats

Question 19

What is the thermoset polymer epoxy resin used for

Answer 19

Adhesives
Surface coatings

Question 20

What is a degradable polymer

Answer 20

A polymer which degrades with exposure to different things

Question 21

What is an oxy degradable polymer

Answer 21

A polymer which breaks down into a fine powder with exposure to oxygen. The length of time can be programmed during manufacturing

Question 22

What is a photo degradable polymer

Answer 22

When the polymer bonds are weakened with exposure to UV light. These kinds of polymers are often used in the agriculture industry

Question 23

What is a hydro degradable polymer

Answer 23

When a polymer breaks down with exposure to water, often used in liquid detergent sachets

Question 24

What are some implications of biodegradable polymers

Answer 24

Can produce methane gas when they decompose
Can take high temperature to decompose
Natural bio polymers need land to grow crops
Natural bio polymers could be made from GM crops
Cannot be recycled

Question 25

What is an example of a medical application for bio polymers

Answer 25

Degradable stitches

Question 26

What are some examples of natural bio polymers

Answer 26

Corn starch polymers Potatopak Biopol

Question 27

What are some examples of synthetic bio polymers

Answer 27

Lactide Glycolide Polylactide acid

Question 28

What are the two types of bio degradable polymers

Answer 28

Natural Synthetic

Question 29

What are elastomers

Answer 29

Polymers which can bend

Question 30

What was the original elastomer in 1493

Answer 30

Rubber

Question 31

Name 3 elastomers

Answer 31

Natural rubber Silicone Neoprene

Question 32

What is natural rubber used for

Answer 32

Tyres Hoses Tubes

Question 33

What is neoprene used for

Answer 33

Shoe soles

Question 34

What is silicone used for

Answer 34

Flexible ice cube trays

Question 35

What kind of polymer is a toothbrush handle

Answer 35

Elastomer

Question 36

What is a composite material

Answer 36

A material comprised of two or more different materials, resulting in a material with enhanced properties

Question 37

What is the composite material CFRP made from?

Answer 37

Carbon fibres mixed with polyester resin or epoxy resin

Question 38

What is the composite material CFRP used for?

Answer 38

Sports equipment such as tennis rackets Fishing rods Race car bodies

Question 39

What are the properties of the composite material CFRP?

Answer 39

Lightweight Corrosion resistant Hard Tough

Question 40

What is the composite material GRP made from?

Answer 40

Glass fibres mixed with polyester resin

Question 41

What are the properties of the composite material GRP?

Answer 41

Lightweight Corrosion resistance Hard Tough

Question 42

What is the composite material concrete made from?

Answer 42

Cement powder Sand Aggregate particles mixed with water

Question 43

What are the properties of the composite material concrete?

Answer 43

High compression strength Easy to mould Few surface defects

Question 44

What is the composite material GRP used for ?

Answer 44

Boat hulls Kayak shells

Question 45

What is the composite material concrete used for?

Answer 45

Pathways Driveway House foundation

Question 46

What is a smart material?

Answer 46

Smart materials are those whose physical properties change in response to an input or change in environment

Question 47

Name 3 smart materials

Answer 47

Photochromic pigment Thermochromic pigment SMA's (shape memory alloy)

Question 48

Name an example of an SMA smart material

Answer 48

Nitinol

Question 49

How do smart materials thermochromic pigment work

Answer 49

Changes colour in response to temperature

Question 50

How do smart materials photochromic pigment work

Answer 50

Changes colour with light intensity

Question 51

How do SMA smart materials work

Answer 51

Change shape in response to change in temperature or electrical input

Question 52

Explain the smart material nitinol

Answer 52

Nitinol wire in dental braces changes length in response to a change in temperature

Question 53

What can smart material thermochromic pigment be used for

Answer 53

Room thermometers Color change mugs

Question 54

What can smart material photochromic pigment be used for

Answer 54

Welding goggles Reactive glasses lenses

Question 55

What are modern materials

Answer 55

They are developed through the invention of new or improved processes

Question 56

Name 2 modern materials

Answer 56

Kevlar Precious metal clay

Question 57

What is the modern material kevlar made from

Answer 57

Aramid fibres

Question 58

What is useful about the modern material kevlar

Answer 58

High cut and heat resistant properties

Question 59

What is the modern material kevlar used for

Answer 59

Body armour Cut proof gloves

Question 60

What is the modern material precious metal clay used for

Answer 60

Works like ceramic clay Easily mouldable Inexpensive compared to solid metal such as silver Used for jewelry