Buna N or Nitrile rubber.

Buna N or Nitrile rubber;

• Bu stands for butadiene, Na stands for sodium and N stands for ethylene nitrile.
• Nitrile rubber, also known as NBR, Buna-N, GR-N and acrylonitrile butadiene rubber, is a synthetic rubber.
• It is prepared by the copolymerisation of 1,3-butadiene and acrylonitrile.

  

  Buna N.

• It is a copolymer of butadiene and acrylonitrile.
• It possesses extraordinary resistance to oils, acids, salts, heat, abrasion and sunlight.
• It is less resistant to alkalies.
• It swells in organic solvents to a certain limit.
• It is used for making fuel tanks, gasoline hoses, conveyor belts.
• It is used as adhesives.
• It is also used to make automobile parts, high altitude air craft components.

Uses of Buna N.

Questions on Buna N

Q1) What is Buna N?

Ans) Buna N is a synthetic rubber. It is a copolymer of butadiene and acrylonitrile.

Q2) What are the monomers of Buna N?

Ans) 1,3-Butadiene and acrylonitrile are the monomers of Buna N.

Q3) How is Buna N prepared?

Ans) It is prepared by the polymerisation of 1,3-butadiene and acrylonitrile.

Q4) Write some properties of Buna N?

Ans) Some properties of Buna N are given below;

1) It possesses extraordinary resistance to oils, acids, salts, heat, abrasion and sunlight.

2) It has less resistant to alkalies.

3) It swells in organic solvents to a certain limit.

Q5) Write some uses of Buna N?

Ans) Some uses of Buna N are given below;

1) It is used for making fuel tanks, gasoline hoses, conveyor belts.

2) It is used as adhesives.

3) It is also used to make automobile parts, high altitude air craft components. Next