1.10 Thermoforming & Thermosetting Polymers

Question 1

What are thermoforming polymers? Give 3 examples.

Answer 1

A material that can be reshaped with heat.
Bipol
Acrylic
Hips

Question 2

What are advantages, disadvantages and uses of acrylic?

Answer 2

Easy to clean
Widely available
Water resistant
Tough
Easily scratched
Breaks easily if dropped
Baths, fish tanks, shop signs

Question 3

What are advantages, disadvantages and uses of hips

Answer 3

Lightweight
Impact resistant
Easily scratched
Toys, television parts

Question 4

What are advantages, disadvantages and uses of bipol

Answer 4

Lightweight
Good electrical insulator
Biodegradable
Expensive
Low impact resistance
Disposable cups, power outlets, cutlery, yogurt packaging

Question 5

What are thermosetting polymers? Give 2 examples

Answer 5

A material that cannot be reshaped by heating.
Polyester resin
Urea formaldehyde

Question 6

What are advantages, disadvantages and uses of polyester resin?

Answer 6

Lightweight
Strong
Rigid
Can chip if dropped
Sports car bodies, deco

Question 7

What are advantages, disadvantages and uses of urea formaldehyde?

Answer 7

Rigid
Hard
Heat resistant
Excellent electrical insulator
Can break if dropped
Plugs, sockets, switches