1. New and Useful Polymers Why are polymers used for their properties? Designing polymers to do a job.

2. Properties of plastics Making a hiking jacket using a new polymer What qualities would the polymer need to produce an effective jacket?

3. Chicken or egg? Polymers sometimes used because of their properties Polymers designed to have certain properties

4. Polyethylene terephthalate PET – Used to make drinks bottles Rigid and lightweight Transparent Good barrier to moisture

5. Which properties make PET ideal for drinks bottles and why?

6. Designer polymers Chemists can design polymers with the use in mind Guaranteed to have the correct properties

7. Poly paraphenylene terephthalamide Or Kevlar – ”5 times stronger than steel” Extremely strong – resistant to high impact and abrasion Very light Bulletproof armour Motorbike gear Rope and cable Sports equipment

8. Testing polymers Design a new hiking jacket –Wearing –Wind resistance –Water permeability –Flexibility Which material would be most suitable?

9. Designer polymers

10. What is meant by the term ‘designer polymer’?

11. Homework Biodegradable plastics –What are they made from? –How are they broken down? –What are they used for?