Buna-N and Buna-S are the type of?
A)Natural rubber
B)Synthetic rubber
C)Polythene
D)Bakelite
Answers
Answered by
3
a polymer
answer is polythene
if it is wrong plzz tell me
answer is polythene
if it is wrong plzz tell me
Answered by
3
Buna-N and Buna-S are the type of Synthetic rubber
Explanation:
- Buna - N is a co polymer of 1, 3−butadiene and acrylonitrile. It is also named as the Nitrile rubber(NBR).
- It is found by polymerization of 1,3-butadiene & acrylonitrile in the existence of sodium .
- It is basically used for manufacture of oil seels, preparation of tank linings, shielding gloves etc.
- Buna - S is a co polymer of 1, 3−butadiene and styrene. It is found by polymerization of 1,3-Butadiene & styrene in the ratio 3:1 in the existence of sodium.
- In Buna –S, Bu stands for butadiene,Na for sodium & S for styrene.
- It is also named as SBR (Styrene Butadiene Rubber).It has somewhat fewer tensile strength than natural rubber.
- It is also utilized in manufacture of automobile tyres,rubber soles,belts,hoses etc.
Learn more about synthetic rubber
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