What are the steps during polymerisation to form terylene?
A. Terephthalic acid is condensed with ethylene glycol at 420 K-460 K.
B. Ethylene glycol displaces methanol to form dihydroxy diethyl terephthalic acid
C. Zinc acetate – antimony trioxide is used as catalyst
D. All of these
Answer:D
What are the steps during polymerisation to form terylene?
A. Terephthalic acid is condensed with ethylene glycol at 420 K-460 K. B. Ethylene glycol displaces methanol to form dihydroxy diethyl terephthalic acid C. Zinc acetate – antimony trioxide is used as catalyst D. All of these