1.What is BuNa – N ?
2.What is the monomer of Nylon – 6 . Give its method of prepration?
3. Why Polymerization reactions get stopped by the addition of Benzoquinone?
4.What are – (a) Thermoplastic polymers (b) Step growth polymers5. Give reason, the type of polymerization mechanism followed by Acrylonitrile (CH2 = CH – CN ) for the preparations of PAN ?
5. Write a short note on Phenol formaldehyde resins? Give its two types with reactions?
6.What are thermosetting and Thermoplastic polymers ? Give examples.
7.What is the difference between Nylon-6 and Nylon-6,6 ?
8.What is Step growth polymerization ?Explain the steps involved in this process.
9.What is the difference between Elastomers and Fibres ? Give one example of each.
10.Write the equations for the synthesis of – i) Neoprene ii) Glyptal
Which one of the two is a condensation polymer ?
11. What is Caprolactum , Give suitable method for its preparations.
12. What are Plasticizers ? What is their Function.
13. What is the function of CCl4 in Polymerization ?
14. What is meant by Chain Inhibitor & Chain Transfer agent ?
15. What is the role of configuration in the polymerisation of Alkenes?
16. Explain The process of Polymerisation In Conjugated Dienes ?
21.What is PTFE ? Write its popular name.