Mention two important uses of each of the following:

 (i) Bakelite

 (ii) Nylon 6

242.

Write the names and structures of the monomers of the following polymers:
(i) Buna-S
(ii) Glyptal
(iii) Polyvinyl chloride

Give one example of a condensation polymer. 

Define thermoplastic and thermosetting polymers. Give one example of each.

What is a biodegradable polymer? Give an example of biodegradable aliphatic polyester.

Differentiate between thermoplastic and thermosetting polymers. Give one example of each.

(i) What is the role of t-butyl peroxide in the polymerization of ethene?

(ii) Identify the monomers in the following polymer:

OR

Write the mechanism of free radical polymerization of ethene.

i) What is the role of sulphur in the vulcanization of rubber?
ii) Identify the monomers in the following polymer:


iii)Arrange the following polymers in the increasing order of their intermolecular forces:
Terylene, polythene, Neoprene

Write the names and structures of the monomers of the following polymers:

(i) Buna-S

(ii) Dacron

Which of the following is a natural polymer?

Buna-S, protein, PVC