Ncert Exercises & Solutions

Question 15.20:

What is a biodegradable polymer? Give an example of a biodegradable aliphatic polyester.

A polymer that can be decomposed by bacteria is called a biodegradable polymer. Poly-βhydroxybutyrate-CO-β- hydroxy valerate (PHBV) is a biodegradable aliphatic polyester.

$[O - CH - {CH}_{2} - C - O - CH - {CH}_{2} - C]$
$| | | | | |$
${CH}_{3} O {CH}_{2} {CH}_{3} O n$

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