1. Discuss the relation between the structure and following properties of polymers
a) Crystallinity b) Elasticity
2. Explain the manufacture of Neoprene rubber. Mention their applications.
3. Explain the manufacture of Butyl rubber. Mention their applications.
4. Give the synthesis and applications Phenol Formaldehyde.
5. Define the following i) Functionality ii) Degree of polymerization.