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Dyeing Flow Chart For Acrylic Cotton | Yarn Dyeing Process

Posted by Textile Fashion Guide: A Dedicated Textile Fashion Education Informations Blog

Dyeing is the most critical task for a textile engineer. Acrylic cotton dyeing is the double part dyeing process. Here dyeing is done one part to another. It needs to match cotton part and acrylic part then dyeing will be completed.

Flow chart of acrylic cotton dyeing is as follow:

Carrier and vessel washed by hydrose and caustic at 1000 C for 20 min



Load the package in the carrier and feed in the vessel



Add wetting agent, anti foaming agent, sequestering agent and run at 600 C for 10 min



Water solution drain



Add wetting agent, sequestering agent, soda ash and hydrogen peroxide and run at 1100 C for single yarn and 1150 C for double yarn for 20 min



Drain



Add peroxide killer and run at 900 C for 10 min



Peroxide check in the package



Drain



Add acetic acid for neutralization and run for 20 min at 500 C



Drain



Take sample and check absorbency



Ok



Dyeing period (Acrylic part)



Add leveling agent and acid, run at 600 C for 10 min



PH check



Color mixing at 700 C for 40 min



Color dosing at 600 C for 20 min



Acrylic dyeing at 850 C at 20 gradient for 20 min



Acrylic dyeing at 980 C at 10 gradient for 50 min



Sample check



Ok



Temperature cools down at 780 C and drain



Rinse for 15 min for light shade and 25 min for dark shade



Add acetic acid, soda ash, run at 800 C for 20 min



Drain



Rinse for 20 min



Take sample



Carbonizing by acid for 10-20 min



Neutralization by acetic acid at 500 C for 20 min



Acrylic part dyeing complete



Dyeing period (Cotton part)



Add wetting agent, antifoaming agent, sequestering agent and run at 600 C for 10 min



Color dosing at 600 C for 20 min



Color migration at 600 C for 30 min



Salt dosing at 600 C for 20 min



Run the machine for 20 min at 600 C with color and salt



Soda dosing at 600 C for 40 min



Cotton dyeing at 600 C for 50 min



Check sample



Ok



Drain



Rinse for 10 min



Add acetic acid for neutralization and run for 10 min at 500 C



Drain



Add washing chemical and run at 900 C for 20 min



Wash sample check



Ok



Drain



Rinse for 10 min



Add fixing chemical and half acetic acid, run at 500 C for 20 min



Add softening agent and rest half acid, run at 600 C for 20 min



Check finished sample



Ok



Drain


 

So, this is the process of acrylic cotton dyeing. Try it in practical and let me know the result.

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