Process Flow Chart For 100% Polyester Dyeing

Process Flow Chart For 100% Polyester Dyeing
Rana Sohel
Executive Engineer
Sunman Textile Mills Ltd. Chittagong
Cell: +8801912-420118
Email: rsohel07tex@gmail.com

Polyester Dyeing:
Polyester can be very difficult to dye properly. The dyeing of hydrophobic fibers like polyester fibers with disperse dyes may be considered as a process of dye transfer from liquid solvent (water) to a solid organic solvent (fibre). Dyeing flowchart of 100% polyester is given below.

Polyester dyeing curve

Production Flow Chart For 100% Polyester Dyeing

Fabric Load
↓
Water Level – As Required
↓
Raise temp to 60 oC
↓
Add Feloson NOF
↓
Raise temp.to 90 oC & run time 10 min
↓
Drain
↓
Water Level – As Required
↓
Raise temp. to 45 oC
↓
Add Neutracid RBT (Non volatile Acid) & run time 10 min
↓
Drain
↓
Water Level – As Required
↓
Raise temp. to 450C
↓
Dye dosing for 10 min
↓
Raise temp. to 130 oC & run for 45 min
↓
Drain
↓
Water
↓
Cooling at 700C & sample cheek if shade ok then bath drop
↓
Hydrose+ Caustic at 800C for 20 min
↓
Hot wash
↓
Acetic wash at cold temp. for 10 min
↓
Acetic Acid + Softener is added at 450C & run for 10 min
↓
Cold Wash
↓
Fabric Unload