Question:
Nitrile rubber is manufactured via polymerization process. Which one of the following options is the CORRECT pair of monomers used in this process?
Nitrile rubber is manufactured via polymerization process. Which one of the following options is the CORRECT pair of monomers used in this process?
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Remember: \underline{Ni}trile rubber \(\Rightarrow\) contains \textit{nitrile} group from \textbf{acrylo\underline{nitrile}}.
Common trade names: Buna-N, NBR; excellent oil/fuel resistance.
Updated On: Aug 26, 2025
- Acrylonitrile and styrene
- Acrylonitrile and butadiene
- Butadiene and styrene
- Butadiene and isoprene
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The Correct Option is B
Solution and Explanation
Step 1: Nitrile rubber (NBR), also called Buna-N, is a copolymer formed by emulsion polymerization of acrylonitrile (AN) and 1,3-butadiene (BD).
Step 2: The acrylonitrile content controls oil and fuel resistance; butadiene provides elasticity. Therefore, the correct monomer pair is AN + BD \(\Rightarrow\) Option (B).
Step 2: The acrylonitrile content controls oil and fuel resistance; butadiene provides elasticity. Therefore, the correct monomer pair is AN + BD \(\Rightarrow\) Option (B).
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