Dyeing Flow Chart For Acrylic Cotton | Yarn Dyeing Process

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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