Page 588 - Carrahers_Polymer_Chemistry,_Eighth_Edition

Reactions on Polymers 551

8. What is the similarity between completely hydrogenated Hevea brasiliensis and completely
hydrogenated gutta percha?
9. What part does the porphyrin play in transmitting oxygen?
10. Would you expect PP chains with a DP of 200 to break when a PP plastic is broken into two
pieces?
11. What are the most important structural factors involved in natural catalysis?
12. What product would be produced from the ozonolysis of polybutadiene?
13. Write the structural formula for the polymeric hydrolytic products from (a) PVAc and
(b) poly(methyl methacrylate).
14. Why is commercial methylcellulose more soluble in water than native cellulose?
15. Why is CMC used in detergent formulations?
16. Would you expect the addition of chlorine or hydrogen to a double bond in a polymer to occur
100%?
17. What is the DS of cellulose nitrate when it is used as an explosive?
18. Why is the DS of cellulose triacetate only 2.8 and not 3.0?
19. Which is more polar: (a) cellulose triacetate or (b) cellulose diacetate?
20. Why is poly(vinyl butyral) not 100% vinyl butyral units?
21. If you have PVA and you want to make it less hydrophilic using a condensation reaction, what
might you use?
22. What products would you expect from the combustion of most vinyl polymers?
23. What monomer would be obtained by the decomposition of PVA?
24. Which would be more resistant to nitric acid: (a) polystyrene or (b) perfl uoropolystyrene?
25. What ions would be removed form water by sulfonated polystyrene: (a) cations or (b) anions?
26. What reaction occurs when tannic acid is added to proteins such as those present in cowhide?
27. Which of the following should be most susceptible to degradation by acids and bases; (a) PS,
(b) PVC, (c) PET, (d) Nylon 6,6, (e) proteins, (f) DNA.
28. Propose a procedure for recovering monomeric methyl methacrylate from scrap PMMA.
29. Why is PVC so thermally unstable?
30. Why are synthetic polymer scientists looking at results obtained from the biomolecular
scientists?
31. Why is the active portion of myoglobin “hidden?”
32. What role does the porphyrin structure play in the activity hemoglobin?
33. Outline the three general steps in operation for photosynthesis.

ADDITIONAL READING
Adler, H. P. (2005): Reactive Polymers, Wiley, NY.
Cheng, S., Gross, R. (2008): Polymer Biocatalysis and Biomaterials, Oxford University, Ithaca, NY.
Chiellini, E. (2003): Biodegradable Polymers and Plastics, Kluwer, NY.
Ciferri, A. (2005): Supramolecular Polymers, 2 Ed., Taylor and Francis, Boca Raton, FL.
nd
Kausch, H. H. (2005): Intrinsic Molecular Mobility and Toughness of Polymers, Springer, NY.
Kharitonov, A. (2008): Direct Fluorination of Polymers, Nova, Hauppauge, NY.
Lee, Y. (2008). Self-Assembly and Nanotechnology: A Force Balance Approach, Wiley, Hoboken, NJ.
Lyland, R., Browning, I. (2008): RNA Interference Research Progress, Nova, Hauppauge, NY.
nd
Malmsten, M. (2003): Biopolymers at Interfaces, 2 Ed., Taylor and Francis, Boca Raton, FL.
Moeller, H. (2007): Progress in Polymer Degradation and Stability Research, Nova, Hauppauge, NY.
Rotello, V., Rotello, K. V., Thayumanavan, S. (2008): Molecular Recognition and Polymers: Control of Polymer
Structure and Self-Assembly, Wiley, Hoboken, NJ.
Rudnik, E. (2008): Compostable Polymer Materials, Elsevier, NY.
Scott, G. (2003): Degradable Polymers, Kluwer, NY.
van Leeuwen, P. (2008): Supramolecular Catalysis, Wiley, Hoboken, NJ. Witten, T. A. (2004): Structured
Fluids, Oxford University Press, NY.
Yan, M., Ramstrom, O. (2005): Molecularly Imprinted Materials, Taylor and Francis, Boca Raton, FL.

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