Question

Observe the following polymers.
I. PHBV
II. Nylon- $2$ -nylon-$6$
III. Glyptal
IV. Bakelite
Biodegradable polymer(s) from the above is/are

• A. III
• B. I and II
• C. IV
• D. III and IV

Answer 1

Answer: (B)

The polymers that can be dissociated into small segments by enzymes (produced by microorganisms) are biodegradable polymers. Step growth polymers having functional groups may be biodegradable. $PHBV$ (poly-$\beta$-hydroxybutyrate-co-$\beta$-hydroxyvalerate) undergoes bacterial degradation in the environment. Nylon- $2$ -nylon-$6$ is an alternating polyamide co-polymer of glycine $\left(H_{2}N-C{H}_2-COOH\right)$ and aminocaproic acid $\left[H_{2}N{\left(C{H}_2\right)}_{5}COOH\right]$ is a biodegradable polymer.