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Physico chemical aspects of the dyeing process

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Physico-Chemical
Aspect of the Dyeing Process
Prepared By : Mazadul Hasan sheshir
ID: 2010000400008
13
th
Batch (session 2009-2013)
Department : Wet Processing Technology
Email:
Blog : www. Textilelab.blogspot.com (visit)
Southeast University
Department Of Textile Engineering
I/A 251,252 Tejgaon Dhaka Bangladesh
Prepared By :



 !
"# #
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%&'Convecve diusion(
$)'boundary layer(
%&'Molecular diusion(
$
%&'Adsorpon(
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%&'Diusion(
$)
%&'Fixaon(
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Successive Stage in the Dyeing:


1. Dye Dispersed in the Dye Bath:
*+!
2. Dye in the Diusion Layer:
" )
)# ) 

3. Dye in the Electrical Double Layer:
 , !      #   #    -   .  , 
 '(
/
4. Dye Absorbed on the Fiber Surface:
  '(   '( 

5. Dye Diused in the Fiber:
 ,-    )    0             )   
1)
6. Dye Physically or Chemically Bond in the Fiber:
! !.1
!.!
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