work

Explain the following items very briefly, using one or two lines.

1. Write name of 4 polymers that belong to “ethenic commodity thermoplastic” – means based on ethylene monomer.

2. Write name of 4 polymers that belong to “ethenic engineering thermoplastic” – means based on ethylene monomer.

3. How to get PP (Polypropylene) from PE (Polyethylene)? Write chemical structure of PP.

4. How to get PS (Polystyrene) from PE (Polyethylene)? Write the chemical structure of PS.

5. How to get PVC (Polyvinylchloride) from PE (Polyethylene)? Write the chemical structure of PVC.

6. How to get PB (Polybutylene) from PE (Polyethylene)? Write the chemical structure of PB.

7. Write the chemical structure of Acrylonitrile.

8. Write the chemical structure of Butadiene.

9. Write the chemical structure of ABS.

10. Write names of two “co-polymers” – means NOT homo-polymer.

11. How to get PMMA (Poly-Methyle-Meth-Acrylate) from PE (Polyethylene)? Write the chemical structure of PMMA.

12. How to get PTFE (Poly-Tetra-Fluro-Ethylene) from PE (Polyethylene)? Write the chemical structure of PTFE.

13. Write the chemical structure of Nylon-6, which is based on “amid” functional group.

14. Write three properties of Nylon material.

15. Write one limitation of Nylon material.

16. What are Kevlar and Nomex? How are they different from regular Nylon?

17. Write the chemical structure of Kevlar.

18. What is Polyacetal?

19. Write three properties of Polyacetal.

20. Write one application of PET.

21. Write name of two polymers that are “non-ethenic thermoplastic” – means based on NON-ethenic monomer.

Quiz # 5 – Monday, based on Chapters # 7 and 8. Come with preparation!