Wool fabric is a versatile textile that can be dyed in a variety of colors with acid dyes. The dyeing process is simple, but it requires careful attention to the fabric’s condition before and after dyeing in order to get the best results.
Wool:
Wool is the animal textile fiber. It comes from sheep and other animals including cashmere and mohair from goats, qiviut from muskoxen, hide and fur clothing from bison, angora from rabbits, and some wools from chemicals. It consists of full protein but a small amount of lipid. The dyeing process of wool is nothing but an acid dyeing process.
Short description of acid dyes:
Acid dyes are water-soluble dyes. It is anionic in nature. It is applied in an acidic medium. Here ionic bond is created between the fiber and dye molecule. Light fastness is quite good. Wash fastness is poor.
Step-by-step dyeing process of wool of knit fabric:
Fabric load
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Detergent hot 80⁰C
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Drain and wash
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Wool dyeing
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Control PH 4.5-5.50
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Dyes 3% (Depends on shade)
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Temperature 40⁰C color dosing 10 minute
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98⁰C (Grade=1⁰C/min) Runtime=30 minute
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Colling70⁰C
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Shade check
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Soaping agent 80⁰C *15 minute
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Shade check
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Fixing agent for nylon pH 5-5.5
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Unload
Conclusion for Dyeing process of wool:
In conclusion, wool fabric dyeing is a process that must be done with care and precision. By following the proper steps, you can create a beautiful and long-lasting piece of fabric.
The dyeing process of wool is very simple. But it has some precaution
- Should not use higher alkali during scouring.
- Enzyme Can destroy the fabric so it should avoid this.
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