JEE Main202224 Jun 2022Morning ShiftChemistryPolymersActual

Which of the following is an example of polyester?

Options

AButadiene-styrene copolymer
BMelamine polymer
CNeoprene
DPoly- β -hydroxybutyrate-co- β -hydroxyvalerate

Correct answer

D. Poly- β -hydroxybutyrate-co- β -hydroxyvalerate

Step-by-step solution

Poly β -hydroxybutyrate- co - β -hydroxy valerate (PHBV) : It is obtained by the copolymerisation of 3 -hydroxybutanoic acid and 3 -hydroxypentanoic acid. PHBV is used in speciality packaging, orthopaedic devices and in controlled release of drugs. PHBV undergoes bacterial degradation in the environment.

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