Polymers Flashcards
1
Q
Examples of polymer uses
A
Poly(ethene) - plastic bags
Poly(propene) - rope + carpet
Poly(chloroethene) - pipes + drains
Poly(styrene) - packaging
2
Q
What are the difficulties of recycling plastics?
A
It requires a lot of heat to melt and reshape so uses a lot of energy
it releases a lot of carbon dioxide
Some plastics are unable to be recycled
It takes a long time which adds to expenses
It must be sorted before you recycle it which takes a long time
3
Q
Why is plastic hard to get rid of
A
It is not biodegradable
4
Q
What is polymerisation
A
Small alkene molecule is joined together to form a long chain called a polymer. in polymerisation the Alkene double bond opens up to a single bond and the monomers join together
