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Polymers

Question
CBSEENCH12009365
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What are the different ways of initiating addition polymerization? Describe one of them for polymerising vinyl chloride.

Solution

Polymerization can be initiated in three ways:
(i) Free radical polymerization using peroxide as an initiator.
(ii) Cationic polymerization using H+ as an initiator.
(iii) Anionic polymerization using KNH2 as an initiator.
Free radical polymerization : In → In°.

Some More Questions From Polymers Chapter

Classify the following as addition and condensation polymers:
Terylene, Bakelite, Polyvinyl chloride, Polythene.

Explain the difference between Buna-N and Buna-S.

Arrange the following polymers in increasing order of their intermolecular forces.
Nylon 6, 6, Buna-S, Polythene.

Arrange the following polymers in increasing order of their intermolecular forces.
Nylon-6, Neoprene, Polyvinyl chloride.

Explain the terms polymer and monomer.

How do you explain the functionality of a monomer?

Define the term polymerization.

Is (NH—CHR—CO)n, a homopolymer or copolymer?

What is the basic unit of polymer called?

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