What are the dip dyeing methods for china dip dye Knitwears


Published:

2021-09-02

As consumers demand personalized and fashionable products of China dip dye Knitwears, the dyeing methods of China dip dye Knitwears are also diversified. They can be dyed at all stages of production, thus giving products different colors, styles and expressions. form. Here is a brief description of several common dyeing methods of china dip dye Knitwears:

china dip dye Knitwears

1. Original solution coloring

   In the manufacture of chemical fiber, the spinning dope is first prepared. Generally, the dope is colorless or white. When in order to meet certain needs, you can add colored substances (such as masterbatch) to the original solution or color before spinning, and then spin it after fully mixing to obtain a variety of colored fibers, which can be staple fibers or Filament.

2. Loose fiber dyeing

   In order to enrich the color of the product, reduce the color difference of the yarn, and increase the hazy effect of the product, loose fiber dyeing, such as wool fiber dyeing, cotton fiber dyeing, etc., can be carried out. The dyeing method is generally dip dyeing, but also pad dyeing. After the loose fiber is dyed, spinning and weaving can be performed to obtain dyed spun yarn and dyed fabric.

3. Sliver dyeing

After the loose fiber is dyed, in the spinning process, there will be a little colored fiber remaining in the passing equipment, which will bring inconvenience to the subsequent cleaning work, so there is top dyeing, and then through the drawing and roving according to the subsequent needs. , Spinning process. This process has been maturely applied in wool spinning. In recent years, some companies have used this technology in cotton spinning to produce dyed yarn.

4. Yarn dyeing

   yarn-dyed fabrics are generally woven by first dyeing yarns and then arranging warp and weft yarns of different colors according to a certain rule. It has the properties of strong color fastness, three-dimensional patterns and unique styles.

5. Fabric dyeing

   In the current china dip dye Knitwears, fabric piece dyeing is the main dyeing method. In addition to dyeing the whole fabric in the same color, it can also be dyed locally, such as printing and sandwich dyeing. The fabric can be dyed in open width or rope way, and can also be dyed by dip dyeing, pad dyeing, vapor phase transfer dyeing, etc.

6. Garment dyeing

   Garment dyeing is to pre-process the fabric, and then dye (or print) the fabric after it is made into garments. Dip dyeing is generally used. Both woven fabrics and china dip dye Knitwears can be dyed into garments.

It is generally believed that the earlier the dyeing process of china dip dye Knitwears, the lower the production cost, and the problem can be compensated in the later process, but the market response speed is slow; the later the dyeing process, the faster response can be made according to market demand, but It has higher requirements for dyeing uniformity, dyes and processing technology.
 

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