Name the buna-s rubber
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Answer:
Buna-S is an elastomer and it is copolymer of styrene with butadiene. Its trade name is SBR. Buna-S is superior to naural rubber, because it is mechanical strength and abrasion resistance. lt is used in tyre industry. It is vulcanized with sulphur. Neoprene is a synthetic rubber and it is a condensation polymer of (2-chloro-1, 3-butadiene). Vulcanization of neoprene takes place in presence of MgO. It is resistant chloroprene to petroleum, vegetable oils. Neoprene is used in making hose pipes for transport of gasoline and making gaskets.
Nitrile rubber, also known as NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. Trade names include Perbunan, Nipol, Krynac and Europrene .