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Method of polyester dyeing | Polyester Dyeing process
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Latest posts by Fatema Sharmin (see all)
- What is Color | Color Theory - November 26, 2017
- Dyeing Auxiliaries | Function of Auxiliaries | Dyeing Method of Vat Dye | part 02 - November 23, 2017
- Dyeing of Cotton with Vat dye | Part 01 - November 18, 2017
Part 1 : Disperse Dye for Polyester | Why called disperse dye | Application and mechanism
Part 3 : Auxilaries Of Disperse Dye
Method of polyester dyeing :
There are 3 methods of polyester dyeing .they are
Carrier method
Pad thermosol method
High temperature high pressure method
Polyester Dyeing process
. Carrier method:
This process is used for dyeing polyester/cellulosic fibre fabrics in jigger or winch-beck.
Dye paste with dispersing agent with water
Raise temp 60*C & add chemicals with materials
Maintain pH with acetic acid 4.5-5.5
Raise temp 95*C for 45 min
Wash
Dry
Delivery
. HTHP METHOD :
Paste dye with dispersing agent
pH control with acetic acid& keep it 4.5-5.5
add material at 60*C
raise temperature at 130 & run the bath for 1 hr
rinse & wash
dry & delivery
process curve :
. pad thermosol method
it is a continuous method of dyeing . in this process 180-220* C temp is needed. Dyeing can be possible within very short time like 1-2 min. it has 4 steps
- padding
- drying
- thermofixing
- after treatment
Process:
padded with dye with chemical
dryed in IR dryer
thermosol unit in 180-220 *C for 60-90s
wash to remove unfixed dye
Thermosol process curve
Part 3 : Auxilaries Of Disperse Dye
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Latest posts by Fatema Sharmin (see all)
- What is Color | Color Theory - November 26, 2017
- Dyeing Auxiliaries | Function of Auxiliaries | Dyeing Method of Vat Dye | part 02 - November 23, 2017
- Dyeing of Cotton with Vat dye | Part 01 - November 18, 2017
![Method of polyester dyeing | Disperse Dye for Polyester | Why call disperse dye | Application of disperse dyes | Features of of disperse dyes | Chemical Classification of disperse dyes | Chemical composition of of disperse dyes | Mechanism of disperse dyes | dyeing polyester with disperse dye | Method of disperse dyeing | Disperse dyeing process | Disperse dyeing process graph| Chemical reaction of disperse dyes | Comparision between three disperse dyeing process | Comparision between Carrier , HTHP and Thermosol | Textile Study Center | textilestudycenter.com](https://textilestudycenter.com/wp-content/uploads/2017/10/thermosol-process-curve.jpg)
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