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Question
What are the differences between Buna-N and Buna-S ?
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Solution
BUNA-N BUNA-S (1) Monomers 1,3-butadiene and acrylonitrile.
(2) Also called as Nitrile-Butadiene-Rubber (NRB).
(3) It is formed by polymerization of 1,3-butadiene and acrylonitrile in the presence of sodium.
(4) Used in making oil seals, manufacturing of tanks,etc.
(1) Monomers:1,3-butadiene and styrene.
(2) Also called as Styrene-Butadiene-Rubber (SBR).
(3) It is formed by the polymerization of 1,3-butadiene and styrene in the ratio 3:1 in the presence of sodium.
(4) Used for making automobile tyres , etc.
| BUNA-N | BUNA-S |
| (1) Monomers 1,3-butadiene and acrylonitrile. (2) Also called as Nitrile-Butadiene-Rubber (NRB). (3) It is formed by polymerization of 1,3-butadiene and acrylonitrile in the presence of sodium. (4) Used in making oil seals, manufacturing of tanks,etc. | (1) Monomers:1,3-butadiene and styrene. (2) Also called as Styrene-Butadiene-Rubber (SBR). (3) It is formed by the polymerization of 1,3-butadiene and styrene in the ratio 3:1 in the presence of sodium. (4) Used for making automobile tyres , etc. |
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