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MHT-CET : Chemistry Entrance Exam

MHT - CET : Chemistry - Synthetic Fibres Page 2

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7.

Properties of Nylon Fibres:

 

  • They are strong and tough fibres.
  • They have high tensile strength and good elasticity.
  • They have good abrasion resistance.
  • They are wrinkle-proof.
  • They are resistant to high temperatures.
  • They are inert towards acids, alkalies, solvents and chemical reagents.

 

 

8.

Uses Of Nylon-6

 

  • To prepare garments
  • To prepare threads and ropes
  • To prepare fishing nets, tyre cords and surgical sutures.

 

 

9.

Uses Of Nylon-6, 6

 

  • To prepare garments
  • To prepare bristles for tooth brushes
  • To prepare fishing nets, tyre cords and ropes.

 

 

10.

Terylene (Dacron)

 

It is a polyester fibre.

Preparation of Terylene

i)

 

 

ii)

 

 

11.

Properties of Terylene

 

  • It is a shining fibre
  • It has excellent tensile strength and abrasion resistance
  • It is resistant to cold acids and alkalies
  • It is insoluble in common organic solvents
  • It has crease resistance
  • It is water repellent and has a glossy appearance.

 

 

12.

Uses of Terylene

 

  • It is used in textile manufacturing
  • It can be blended with cotton to form terycot and with wool to form terywool
  • It is used to prepare garments
  • It is used to prepare filter cloth, belts and fishing nets.

 

 

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