Question

write the information about Polyesters​

Answer 1

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Polyester is a category of polymers that contain the ester functional group in their main chain. ... Polyester fibers are sometimes spun together with natural fibers to produce a cloth with blended properties. Cotton-polyester blends can be strong, wrinkle- and tear-resistant, and reduce shrinking.

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Answer 2

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The polyester polymers have ester linkage joining the repeating units. Commercially the most important polyester .fibre is 'terylene' (also called dacron). It is obtained by condensation polymerization of ethylene glycol and terephthalic acid in presence of catalyst at high temperature..Internet my friend Find applications of bakelite in day to day life.

Terylene has relatively high melting point (265° C) and is resistant to chemicals and water. It is used for making wrinkle .free fabrics by blending with cotton (terycot) and wool (terywool), and also as glass .reinforcing materials in safety helmets. PET is the most common thermoplastic which is another trade name of the polyester polyethyleneterephthalate. It is used for making many articles like bottles, jams, packaging containers.