PHBV is a well-known biodegradable thermoplastic. Which specific type of functional linkage connects — Polymers Chemistry Question
Question
PHBV is a well-known biodegradable thermoplastic. Which specific type of functional linkage connects the monomeric units together to form the continuous macromolecular chain of PHBV?
Answer: C
💡 Solution & Explanation
PHBV is synthesized by the condensation of 3-hydroxybutanoic acid and 3-hydroxypentanoic acid. Since both monomers contain a hydroxyl group and a carboxylic acid group, they undergo intermolecular esterification, connecting the units via ester ($-COO-$) linkages.
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