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Ch 27 Polymers

Ch 27 Polymers. 1. Show the mechanism for the following chain-growth polymerizations with the given monomers: Radical polymerization, monomer: CH 2 CHCl Cationic polymerization, monomer: CH 2 CHOCH 3 Anionoic polymerization, monomer: CH 2 CHPh Ring-opening polymerization, monomer:.

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Ch 27 Polymers

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  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.

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