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Polyester MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 25, 2023 25:24 PM | #NEET
Quick Facts
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Polyester is considered one the most difficult concept.
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2 Questions around this concept.
Solve by difficulty
Which one is classified as a condensation polymer ?
Of the following, which one is classified as polyester polymer?
Concepts Covered - 0
Polyester
These are the polycondensation 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. Dacron fibre (terylene) is crease resistant and is used in blending with cotton and wool fibres and also as glass reinforcing materials in safety helmets, etc.
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