Q. 1.    What is polyester? Name a popular polyester.

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Polyesters are formed as a result of condensation of dicarboxylic acids and diols. The most popular example of polyester is terylene. When ethylene glycol and terephthalic acid is heated at 420 to 460 K in the presence of zinc acetate-antimony trioxide catalyst, the polyester terylene is manufactured.

Polycot is popular polyester used in textile manufacturing units.

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