Preparation of Buna-S polymer?
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Explanation:
It is a random co-polymer formed by the emulsion polymerization of a mixture of 1:3 butadiene and styrene in the presence of peroxide catalyst at 5 degree Celsius and therefore the product is called as cold rubber. The rubber obtained is also called Styrene butadiene rubber .
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Answer:
Buna-N manufactured by the co-polymerisation of 1, 3-butadiene and acrylonitrile in presence of peroxide or sodium catalyst.
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