Using Alkenes to Make Polymers

Question 1

What are light, stretchable polymers used for? (such as poly(ethene)

Answer 1

To make plastic bags.

Elastic polymer fibres are use to make stretchy lycra fibre for tights.

Question 2

What are other uses of polymers?

Answer 2

• waterproof coatings for fabrics
• dental polymers are used for tooth fillings
• biodegradable packaging materials
• memory foam is an example of smart material ⇒ polymer gets softer as it gets warmer.

Question 3

Most polymers are not biodegradable…

Answer 3

so they do not rot.

They are difficult to get rid of- if they get buried in a landfill site they will be there for years. It’s best to recycle them.