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Howis dacron ...

Question

How is dacron obtained from ethylene glycol and terephthalic acid?

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Solution

The condensation polymerisation of ethylene glycol and terephthalic acid leads to the formation of dacron.

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How is dacron obtained from ethylene glycol and terephthalic acid?

Q. Dacron is manufactured by heating a mixture of ethylene glycol and terephthalic acid with one of the conditions given below.

Q. Match the column I with column II and mark the appropriate choice.

	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

Q. For the formation of terylene the number of moles of ethylene glycol required per mole of terephthalic acid is:

Estrerification of terephthalic acid with glycol produces.

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