Plastics Revision

Question 1

What are the properties of thermoplastic polymers?

Answer 1

• Remouldable
• Recyclable
• Self-coloured
• Self-finishing

Question 2

Give examples of polymers.

Answer 2

• ♕ABS
• 👑PET
• PMMA (acrylic)
• ♕Polypropylene
• HIPS (high impact polystyrene)
• Expanded Polystyrene
• ♕LDPE (low density polyethylene)
• HDPE (high density polyethylene)
• Nylon
• UPVC
• 👑Polystyrene

Question 3

How do you draw the structure of a polymer?

Answer 3

ー◯ー◯ー◯ー◯ー◯ー◯ー◯ー◯ー
ー◯ー◯ー◯ー◯ー◯ー◯ー◯ー◯ー
ー◯ー◯ー◯ー◯ー◯ー◯ー◯ー◯ー

Question 4

How do you draw a monomer?

Answer 4

◯

Question 5

What does this ♻ mean? What should it also include?

Answer 5

A product is recyclable, it should also include a number and letter to allow you to identify what plastic it is.

Question 6

What are the properties and uses of PS (polystyrene)?

U: Use
+ Positive
- Negative
➝ Fact

Answer 6

U: Disposable plastic
\+ Cheap 
U: Yogurt pots
\+ Easy to manufacture with 
- Limited uses
- Crinkley and feels cheap

Question 7

What are the properties and uses of Expanded PS ( expanded polystyrene)?

Answer 7

➝ 80% air
\+ Light
\+ Boughant
U: Protective packaging
\+ Lightweight

Question 8

What are the properties and uses of HIPS (high impact polystyrene)?

Answer 8

+ Stronger than PS
U: Muller corners
U: Cheap children’s toys

Question 9

What are the properties and uses of ♕ABS?

♕ is equivalent to ✔✔
👑 is equivalent to ✔

Answer 9

\+ Hard/shiney 
\+ Multicoloured
\+ Durable 
\+ High impact 
- Expensive 
U: Lego

Question 10

What are the properties and uses of ♕Polypropylene?

♕ is equivalent to ✔✔
👑 is equivalent to ✔

Answer 10

\+ Long life 
\+ Durable 
\+ Very strong 
\+ Quality feel to it 
\+ High shine 
- Expensive 
- Scratches 
➝ + Optically clearer than glass ➝ 100% light compared to 95%

Question 11

What are the properties and uses of 👑PET?

♕ is equivalent to ✔✔
👑 is equivalent to ✔

Answer 11

\+ Clear
- Crinkley cheap feel 
\+ Strong when very thin ➝ ¼ of a millimeter 
\+ Available in every colour
U: Water bottles

Question 12

What are the properties and uses of ♕LDPE?

♕ is equivalent to ✔✔
👑 is equivalent to ✔

Answer 12

do later

Question 13

♕Injection Moulding

♕ is equivalent to ✔✔
👑 is equivalent to ✔

Answer 13

do later

Question 14

👑Blow Moulding

♕ is equivalent to ✔✔
👑 is equivalent to ✔

Answer 14

do later

Question 15

👑Extrusion

♕ is equivalent to ✔✔
👑 is equivalent to ✔

Answer 15

do later