Chemistry Reference
In-Depth Information
3. Describe the thermal degradation of polyolefins.
4. Describe the thermal degradation of polybutadienes.
5. What is the thermal degradation process in polystyrene and polystyrene-like polymers?
6. How do the methacrylic and acrylic esters degrade thermally?
7. What happens when polyacrylonitrile is heated? Describe
8. Discuss the thermal degradation of poly(vinyl chloride)
9. Discuss the thermal degradation of fluorocarbon polymers
10. Discuss the thermal degradation of poly(vinyl acetate)
Section 9.11
1. Can the step-growth polymers degrade in the same manner as the chain-growth polymers?
2. How do the polyoxides degrade thermally?
3. Discuss the thermal degradation of polyesters.
4. Discuss the thermal degradation of polyamides.
5. Discuss the thermal degradation of the epoxy resins
6. How do the polyimides and the polyquinoxalines degrade thermally?
7. Discuss the thermal degradation of polysulfones
8. How do cellulosic materials degrade thermally?
Section 9.12
1. How does hydrolytic degradation of polymers take place?
Section 9.13
1. Describe oxidative degradation in hydrocarbon polymers
2. Describe oxidative degradation of polystyrene
3. Describe oxidative degradation of poly(ethylene terephthalate)
4. How do the polyamides degrade oxidatively?
Section 9.14
1. What is meant by photo-degradation of polymers?
2. Describe photolysis of polyethylene.
3. Describe photo-degradation of polybutadiene and poly(
-methylstyrene)
4. How does poly(methyl methacrylate) degrade at elevated temperature under the influence of
ultraviolet light?
5. Describe photo-degradation of poly(vinyl acetate) and poly(vinyl chloride)
6. What is the mechanism of photo-degradation of aromatic polyesters?
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