Ch 27 Polymers 1. Show the mechanism for the following chain-growth polymerizations with the given monomers: Radical polymerization, monomer: CH2CHCl.

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Presentation transcript:

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:

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

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.

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

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

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

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

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