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Dope Dyed Special Yarn Process Focus

HANGZHOU FENGYI TEXTILE CO.,LTD | Updated: Jun 16, 2017

Yarn dyeing:

    First, the yarn dyeing characteristics In the textile production process, where the dyeing process, by a number of factors. From an economic point of view, dyeing is carried out before the weaving process, and the cost is the lowest. In the pre-weaving process for yarn dyeing, the choice of good fastness of the dye, some color flowers can be improved in the subsequent weaving process. Yarn dyeing generally can get a good fast dyeing effect, with the color yarn according to different design requirements weaving, in order to obtain high economic value, and shorten the delivery cycle, so the product has a high reproducibility. Dope Dyed  Special Yarn

   It is generally believed that the yarn dyeing product has the advantage of being bulky and plump compared to that obtained by fabric dyeing, which may be due to the fact that when the yarn is suspended from the rod of the dyeing machine, it is free to relax freely Any restrictions, not only can make the yarn completely loose, but also allows the yarn to be free to twist to achieve twist balance, thereby eliminating the tension when spinning. 

    Another form of yarn dyeing is the dyeing of the cheese yarn. Technically, it has been thought that only the dyeing process can be used to produce a satisfactory product, but this traditional view is gradually changing with the appearance of the cheese dyeing method The Generally speaking, yarn dyeing is more expensive than fabric dyeing. But because it has the advantage of fast delivery, and therefore easier to adapt to changes in the flow of color, while adapt to small quantities, more varieties of needs. Dope Dyed  Special Yarn

    In addition, the yarn dyeing machine is relatively simple, so in the maintenance of more economical.

Second, the reduction of dyestuff yarn dyeing dyes are the main color varieties of the current color fabric cotton yarn dyeing. After dyeing the yarn is not only bright color, and fastness is very good, most of the light fastness are more than 6, some varieties up to 8. So where you need to sort out such as scouring, bleaching, mercerizing and heat setting of the dyed fabric, can be used to restore dye dyes. There are many varieties of reduced dyes, but according to their chemical structure can be divided into indigo and anthraquinones, yarn dyeing used in the reduction of dyes, mostly anthraquinone type.Dope Dyed  Special Yarn