Author Topic: Acrylic fibres  (Read 406 times)

Offline asitrony

  • Hero Member
  • *****
  • Posts: 544
    • View Profile
Acrylic fibres
« on: July 22, 2015, 12:56:39 PM »
It  is  a  manufactured  synthetic  fibre  in  which  the  fibre  forming  substance  is  a  very  long  chain  synthetic polymer composed of at least 85% acrylonitrile units by weight.

Chemical properties:


Effect of acids  : Damage by strong concentrated acids.Good resistance to mineral
acids.
Alkali  : Resistance to weak alkali but affected by strong alkali.
 
Solvents
Bleaches
 
: Resistance to common solvents.
: Resistance bleaches.
 
Heat  : Most heat sensitive.
Light  : Resistance not for long time.
Dye    : Acid, basic, cationic.
Conductivity: Fair for electrical, medium for lie.



Features of Acrylic fibre:
Appearance  :   The acrylic fibre appear as regular
translucent slightly wavy filaments or   staple fibre.
 
Diameter
 
: 15 µm to 25 µm.
 
Color                : Dull.





Uses of Acrylic:


All acrylic fibres used in knitted and woven fabrics. 
Blends of acrylic fibres with wool, cotton etc. is prevalent on the market.
Bulky, soft and light fabrics are produced from acrylic.
End uses such as blankets, carpets and upholstery are excellent for acrylic.
Acrylic fibres are popular in sportswear, ski cloths; children snow suits and sports shirts.
Used in industrial applications like filter cloth, protective cloth etc.
Especially use of acrylics is wigs.

Thanks
Asit Ghosh
Senior Lecturer, TE