Dis/advantages Of Polymers 🫱🏻‍🫲🏾

Question 1

Silicone ✅

Answer 1

-heat resistance
-hygienic

Question 2

Neoprene ✅

Answer 2

-waterproof and corrosion resistant
-good chem resistance
-durable

Question 3

Rubber ✅

Answer 3

-good abrasion resistant
-easy to clean
-good heat resistance

Question 4

Polyester resin ✅

Answer 4

-low cost
-decent resistance to water
-resistance to weathering and ageing

Question 5

Urea formaldehyde ✅

Answer 5

-Good adhesives properties
-water resistant
-heat resistant

Question 6

Epoxy resins ✅

Answer 6

-Adhesive properties are resistant to chemicals
-can resist moderate temperatures

Question 7

Acrylonitrile Butadiene Styrene ✅

Answer 7

-low melting point enables easy use in injection moulding
-high tensile strength
-can stand unfavourable environments

Question 8

-polypropylene ✅

Answer 8

-fatigue resistant
-recyclable
-non-toxic solution

Question 9

Polyvinyl chloride ✅

Answer 9

-long life span
-lightweight but tough
-abrasion resistant

Question 10

Polyethylene terephthalate ✅

Answer 10

-shatter-proof
-lightweight
-high strength-to-weight ratio

Question 11

Polyethylene ✅

Answer 11

-extremely lightweight
-recyclable
-durable

Question 12

Acrylic ✅

Answer 12

-stronger than glass
-easy to clean
-weather resistant

Question 13

Acrylic ❌

Answer 13

-low impact strength
-sheets tend to crack
-broken sheets have sharp edges

Question 14

Polyethylene ❌

Answer 14

-high thermal expansion
-flammable
-poor bonding quality

Question 15

Polyethylene terephthalate ❌

Answer 15

-flavour absorption, issues with food
-limited heat resistance

Question 16

Polyvinyl chloride ❌

Answer 16

-most environmentally damaging
-not recyclable
-low thermal stability

Question 17

Polypropylene ❌

Answer 17

-highly flammable
-can be harmed by UV
-poor bonding properties

Question 18

Acrylonitrile Butadiene Styrene ❌

Answer 18

-low melting points
-poor resistance to fatigue
-plastic fumes made when printing

Question 19

Epoxy resins ❌

Answer 19

-don’t operate at high heat
-epoxies can be brittle without modifications
-slow cure times

Question 20

Urea formaldehyde ❌

Answer 20

-low chemical resistance
-not recyclable
-releases gases over time

Question 21

Polyester Resin ❌

Answer 21

-strong styrene odor
-difficult to mix
-not good for bonding

Question 22

Rubber ❌

Answer 22

-not weather-resistant
-poor resistance to hydrocarbons

Question 23

Neoprene ❌

Answer 23

-quite expensive
-poor resistance to oxidising acids
-can absorb water over time

Question 24

Silicone ❌

Answer 24

-high cost
-can feel sticky