How is Dacron obtained from ethylene glycol and terephthalic acid?

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Solution

$Synthesis of Dacron or Terylene$

Dacron is obtained by condensation polymerization of ethylene glycol and terephthalic acid with the elimination of water molecules.

Polymerisation reaction of Dacron or Terylene is shown as -

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Similar questions

	Column I		Column II
(A)	Buna-N	(i)	Phthalic acid and ethylene glycol
(B)	Nylon-6,6	(ii)	Terephthalic acid and ethylene glycol
(C)	Dacron	(iii)	Hexamethylenediamine and adipic acid
(D)	Glyptal plastic	(iv)	Acrylonitrile and butadiene

Glyptal polymer is obtained from the reaction between ethylene glycol and:

Match the polymers given in Column I with their commercial names given in Column II

	Column I		Column II
(i)	Polyester of glycol and phthalic acid	(a)	Novolac
(ii)	Copolymer of 1,3-butadiene and styrene	(b)	Glyptal
(iii)	Phenol and formaldehyde resin	(c)	Buna-S
(iv)	Polyester of glycol and terephthalic acid	(d)	Buna-N
(v)	Copolymer of 1,3-butadiene and acrylonitrile	(e)	Dacron

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