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PET is prepared by heating dimethyl terephthalate and ethylene glycol in ____________

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PET is prepared by heating dimethyl terephthalate and ethylene glycol in ____________

(a) Acidic medium

(b) Basic medium

(c) Neutral medium

(d) Water

This question was posed to me in homework.

My question is based upon Fibers in section Polymers of Engineering Chemistry I

1 Answer

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Correct option is (b) Basic medium

To elaborate: PET is prepared by heating dimethyl terephthalate and ethylene glycol in a basic medium at moderate pressure (2.7–5.5 bar) and high temperature (220–260 °C).

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