Introduction to the production principles and processes of washed cotton

There are two new fabric varieties that are widely popular in the market this summer, one is double-layer gauze fabric and the other is washed cotton fabric. From the current point of view, the pri...

There are two new fabric varieties that are widely popular in the market this summer, one is double-layer gauze fabric and the other is washed cotton fabric. From the current point of view, the price of double-layer gauze fabric is still relatively expensive, but it is washed fabric. Slowly becoming popular

Whether it is real cotton “washed cotton” or chemical fiber “washed cotton”, in terms of dyeing and finishing process, they areWashed cloth.

Washed cloth is called pleated fabric in foreign countries. Washed cloth is a fabric that has been treated with a special dyeing and finishing process to give the fabric a slightly wrinkled washed style. From the surface, washed cloth shows natural washed wrinkles and has old wrinkles. The feel of the clothes caters to consumers’ psychological appeal for “retro” and “nature”

Washed cotton has soft hand feel, stable size, comfortable fit, slightly wrinkled appearance, soft surface, and natural wrinkle changes.

Washed fabrics have a wide range of adaptability, including pure cotton, polyester/cotton, polyester filament, various knitted fabrics, etc. All gray cloth raw materials can be processed into washed cloth. In addition, the processing process of washed cloth is relatively simple and does not require high equipment.

So, be sure to see clearlyThe washed cotton fabrics on the market may be 100% washed cotton, or they may be Chemical fiber washed cotton, and possibly modal washed cotton

The processing principle of washed cotton

The processing principle of washed cotton is to use the physical and chemical properties of the fiber itself to make the fabric in a rope-like relaxed state under certain hot washing conditions, so that the fiber fully shrinks and fluffs, and then uses mechanical extrusion to form wrinkles. It is then chemically treated to react with chemical additives and fiber molecules to shape the wrinkles of the fabric, thereby forming long-lasting and stable wrinkles and a unique natural style.


Washed Key points of cotton technology

In the usual fabric dyeing and finishing process, in order to improve the flatness, smoothness and dimensional stability of the fabric, it must go through The three processes of singeing, shaping and mercerization

But these three processes are different from those of washed cotton.The grid is completely opposite, singeing will remove the hairiness on the surface of the fabric, shaping will eliminate wrinkles, and mercerization will hinder the shrinkage of the fiber at high temperature. When making washed cloth, these three processes must be eliminated.

In order to obtain the natural wrinkles of the fabric and the soft and plump effect, the washed fabric processing technology must be loose and low. It is carried out under the condition of tension; in order to ensure the soft and fluffy feel of the washed cloth, a certain amount of softener must be added during finishing. Finally, the fabric must be resin-finished to shape wrinkles.

Conventional process flow of washed cotton fabrics:

Seam turning>>>Alkali desizing (rope-like relaxation)>>>Cooking and bleaching>>>Chlorine bleaching (rope-like)>>>Open rolling and drying >>>(Tentering)>>>Dyeing>>>Hot air tenting

Conclusion

The biggest advantage of washed cotton fabric isFeels good.

Because there are no processes such as singeing and mercerization, the surface style of washed cloth usually has a fluffy old clothes feel, giving people a feeling of returning to nature. Washed cotton has a unique style, soft feel, and color Good fastness, excellent shrinkage performance, suitable for personal use


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