1. Ch 27 Polymers
1. Show the mechanism for the following chain-growth polymerizations with the given monomers:
Radical polymerization, monomer: CH2CHCl
Cationic polymerization, monomer: CH2CHOCH3
Anionoic polymerization, monomer: CH2CHPh
Ring-opening polymerization, monomer:

2. Ch 27 Polymers
2. List the following monomers in order of decreasing ability to undergo:
Cationic polymerization
Anionic polymerization

3. Ch 27 Polymers
3. The following is a chain-growth polymer made from a single monomer type.
Why are there variations in the polymer chain?
Draw the monomer.

4. Ch 27 Polymers
4. Explain how the following may influence polymer properties:
Chain transfer
Branching
Cross-linking

5. Ch 27 Polymers 5. Natural rubber is a polymer of isoprene.
Draw the structure.
What is vulcanization?

6. Ch 27 Polymers
6. Define copolymer and give examples of four types. 7. What is a plasticizer?

7. Ch 27 Polymers
8. Give the structure of the condensation polymer resulting from the following monomers: a. b. c.

8. Ch 27 Polymers
9. What monomer(s) would be used to make the following polymers? a. d. b. c.