How is dacron obtained from ethylene glycol and terephthalic acid?

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Solution

Dacron or terylene (a polyester) is formed by the condensation polymerization of ethylene glycol and terephthalic acid with the elimination of water molecule. The reaction takes place at 420 - 460 K temperature in presence of zinc acetate and antimony trioxide as a catalyst.

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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

Estrerification of terephthalic acid with glycol produces.

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

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