1.Discuss the differences between condensation and addition
2.What requirement should be provided to achieve high yield and high molecular weight of polymer by condensation reaction?
3.What is interfacial polymerization?
4.Describe biopolymer and
5.Briefly discuss the classification of
6.Why polymers are widely used in our daily life?
Polymerization is the process in which the small molecules (monomers) are combined to form large molecule (polymer)
is known as polymerization.
There are two main types of polymerization is addition polymerization and condensation polymerization.
| Addition polymerization | condensation polymerization |
| 1) Homo-chain polymer is obtained | Hetro- chain polymer is obtained |
| 2) No by-product is formed | the by-product is generally formed |
| 3) The chain growth is taking place at the active center | The chain growth is taking place at two active centers |
| 4) The polymer product is formed immediately. | The polymer product is formed stepwise steadily |
| 5) Thermoplastics are formed |
5) Thermosetting plastics are formed |
| 6) free radical or cationic or anionic mechanism |
the mechanism follows of condensation reaction such as esterification and amide formation. |
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