Question

Which of the following is not an example of a condensation polymer?

• A. Nylon 6,6
• B. Dacron
• C. Buna-N
• D. Silicone

Answer 1

Answer: (C)

Buna-N

Answer 2

Nylon $6, 6$ is a condensation polymer of hexamethylene diamine and adipic acid.
Dacron is a condensation polymer of terephthalic acid and ethylene glycol.
$Buna-N$ is an addition polymer of $1, 3-butadiene$ and acrylonitrile.
Silicone is a condensation polymer of dialkyl silanediol.

Therefore, the correct option (C): Buna-N