Fuels + Polymers

How were fossil fuels made?

Fuels that have been created from dead animals and plants that lived millions of years ago.

What are examples of fossil fuels?

Fossil fuels include: coal, oil, gas

What are pros and cons of fossil fuels?

How are biofuels made?

Fuels that have been made from living matter over a short period of time.

How was bioethanol made?

Made by fermentation of sugar

How was biodiesel made?

Made by refining fats and oils

How was biogas made?

Made from breakdown of oragnic matter

What are the pros and cons of biofuels?

How are addition polymers made?

They are made from alkene monomers

Draw the monomer and repeat unit for ethene

Repeat unit always has brackets around it

How is the additional polymer made from alkenes?

Double bond in alkene opens up

Are poly(alkenes) reactive? and why

Unreactive- as they are non-polar

Are polyalkenes biodegradable?

No

What are ways of disposing poly(alkenes)?

• Landfill

• Recycle

• Incineration

What are cons of using a landfill to dispose of poly(alkenes)?

What are the pros of recycling to dispose of polyalkenes?

What are the pros and cons of incinerating poly(alkenes) to dispose of them?

What to do scientists need to think about when making sustainable polymers?

What are pros and cons of biodegradable polymers?