In the industrial step-growth synthesis of the polyester Terylene (Dacron), a specific catalyst mixt — Polymers Chemistry Question
Question
In the industrial step-growth synthesis of the polyester Terylene (Dacron), a specific catalyst mixture is required to drive the condensation at 420-460 K. What is this catalyst?
Answer: B
💡 Solution & Explanation
The condensation of ethylene glycol and terephthalic acid to form the fibre Terylene (Dacron) strictly requires a specific catalyst mixture of Zinc acetate and Antimony trioxide ($Sb_2O_3$).
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