Question
Sat June 30, 2012 By: V Raja

how is decron prepared?

Expert Reply
Sun July 01, 2012
Polyethylene terephthalate is produced from ethylene glycol and dimethyl terephthalate (C6H4(CO2CH3)2) or terephthalic acid.


First step
C6H4(CO2CH3)2 + 2 HOCH2CH2OH ? C6H4(CO2CH2CH2OH)2 + 2 CH3OH
Second step
n C6H4(CO2CH2CH2OH)2 ? [(CO)C6H4(CO2CH2CH2O)]n + n HOCH2CH2OH
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