Which of the following synthetic rubbers is synthesized by the co-polymerization of 1,3-butadiene an — Polymers Chemistry Question
Question
Which of the following synthetic rubbers is synthesized by the co-polymerization of 1,3-butadiene and acrylonitrile, and what is its primary commercial advantage?
Answer: C
💡 Solution & Explanation
Buna-N (Nitrile Butadiene Rubber) is a copolymer of 1,3-butadiene and acrylonitrile. The presence of the polar cyano ($-CN$) group makes it highly resistant to the swelling action of petrol, oils, and organic solvents, making it ideal for oil seals and fuel tanks.
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