Plastics And New Materials

Question 1

Give a property of PVC?

Answer 1

Tough, not easily scratched

Question 2

Give an example of a finite resource

This substance can run out what does this make it?

Answer 2

Oil

A not sustainable resource

Question 3

What is acetate made from? What is it used for?

Answer 3

Plants and chemicals

To make photocopiable clear film

Question 4

What is a sustainable alternative to thermoplastics?
Are these as hard wearing?
Are they biodegradable?

Answer 4

Corn starch polymers and potato pak
No
Yes

Question 5

What is paperfoam? Where is it used?

Answer 5

A scratch resistant mouldable material

It is used to make the inserts for DVDs cases

Question 6

What are smart materials?

What do different ones react to?

Answer 6

They change when the environment changes this therefore reversible when it changes again and can be repeated
Light, pressure, colour, shape and temperature

Question 7

What are thermoplastics?
What are one of the properties?
Can they be recycled?
Give two examples

Answer 7

Man made or synthetic materials so are made using chemical processes
They go soft when heated so their shape can be changed
Yes
Acetate and PVC