Question

explain the difference between Buna-N and Buna-S?​

Answer 1

Answer:

Buna-N is used for making oil seals, manufacturing of tank linings, protective gloves etc. Buna-S is used for making automobile tyres, rubber soles, belts, hoses etc. in order to compare two these are the basic factors. Students must remember the monomer of each of the given polymers in order to solve such questions.

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Answer 2

Answer:

BUNA-N

(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.

BUNA-S

(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.