Discussion
Nitrile rubber is the copolymer of
Answer: D
Nitrile rubber is a copolymer of butadiene and acrylonitrile.
Nitrile butadiene rubber (NBR) combines the flexibility of polybutadiene with the polarity of acrylonitrile units, which gives it its resistance to oils and fuels; it is used for seals, hoses and gloves.
Styrene and butadiene make SBR, styrene and acrylonitrile make SAN, and styrene with isoprene forms block copolymers such as SIS thermoplastic elastomers, not nitrile rubber.
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