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Polyester - Practice Questions & MCQ
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Polyester is considered one the most difficult concept.
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12 Questions around this concept.
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EASYWhich one is classified as a condensation polymer ?
Terylene polymer is obtained by condensation of :
which one is classified as condensation polymer
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Bakelite is obtained from phenol by reaction with
Terylene is a
Concepts Covered - 0
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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