First slide
Polymers and rubbers
Question

Which of the following form biodegradable polymers?

Moderate
Solution

Poly-β−hydroxybutyrate co-β− valerate (PHBV). It is obtained by the copolymerization of 3−hydroxybutanoic acid and 3−hydroxypentanoic acid.Nylon−2−. It is an alternating polyamide copolymer of glycine (H2​N−CH2​−COOH) and aminocaproic acid [NH2​(CH2​)5​COOH] and is biodegradable.

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