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Questions
Write chemical reaction for preparation of the following.
Buna-S
Write chemical reaction for the preparation of the following polymer.
SBR
Write an equation for the preparation of the following:
Buna-S
Give the chemical equations for the preparation of Buna-S.
How is Buna-S synthesised? Give a chemical equation.
Write the chemical equation to represent the preparation of Buna-N.
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Solution 1
Chemical reaction for preparation of Buna-S:
Solution 2
It is made by polymerizing a 75% butadiene and 25% styrene mixture in an emulsion system at 0°C with a peroxide catalyst present.
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\[\begin{array}{cc}\ce{- C - O -}\\||\phantom{.....}\\
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