Multiple choice

Which of the following is a pair of biodegradable polymers?

  1. Nylon 6, 6 and Nylon 2–nylon 6

  2. Nylon 6, 6 and PHBV

  3. PVC and PHBV

  4. PHBV and Nylon 2–nylon 6

  5. Nylon 2–nylon 6 and PVC

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Poly β - hydroxybutyrate - co - β - hydroxy valerate (PHBV) is a biodegradable polymer obtained by the copolymerisation of 3–hydroxybutanoic acid and 3–hydroxypentanoic acid. Nylon 2–nylon 6 is an alternating polyamide copolymer of glycine and amino caproic acid and is biodegradable.