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Question

Which of the following is an example of polyester?

A
Bakelite
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B
Nylon-6
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C
Dacron
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D
Buna-S
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Solution

The correct option is C Dacron

Polyesters are the condensation products of dicarboxylic acids and diols.
Dacron or terylene is the best known example of polyesters. It is manufactured by heating a mixture of ethylene glycol and terephthalic acid at 420 to 460 K in the presence of zinc acetate-antimony trioxide catalyst as per the reaction given earlier.


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