Cotton sliver dyeing technology
There are usually four dyeing methods in the textile industry: loose fiber dyeing, strip dyeing (top), yarn dyeing, and piece dyeing. In the wool spinning system, all four methods are used, while in the cotton spinning system, yarn dyeing and piece dyeing are generally used, and a few are loose fiber dyeing, mainly used for mixed color spinning. Among the various dyeing methods, each has its own advantages and disadvantages. Among them, strip dyeing is more complicated, but it is conducive to the development of new products.
As far as the cotton spinning system is concerned, due to the short length of cotton fiber, it cannot be dyed on the strip dyeing equipment of the wool spinning system, and cotton sliver dyeing is a need for some products. Therefore, cotton sliver dyeing has been mentioned on the agenda. The schedule is up. Especially in recent years, with the development of clothing into fashion, some conventional and popular T-shirts, fashionable clothing with pleats and sews, women’s collarless pullovers, cardigans, underwear and tights are often needed Made of cotton sliver dyed yarn. In addition to knitwear, the application of sliver-dyed yarn in woven clothing is also increasing year by year. There are also some blended products of cotton and wool, chemical fiber, cashmere, silk, camel hair, yak hair, etc.
Since cotton is a plant fiber and animal fiber is a protein fiber, it is difficult to dye these two fibers and chemical fibers in the same bath. Therefore, each fiber needs to be dyed separately before blending, but if cotton fiber To dye loose fibers, not only does the batch size need to be large, but the processing process is quite complicated. In addition, if the cotton spinning mill processes colored fibers, it will affect the processing of natural cotton. Generally speaking, cotton spinning mills are impossible to accept it. But products blended with cotton are the needs of the market. Therefore, some companies have conducted dyeing experiments on cotton slivers (usually combed cotton slivers). In order to develop cotton and cashmere, wool, sheep’s wool, silk, acrylic, and blended yarns of cotton and two or more animal fibers or chemical fibers, Jinsifu Cashmere Factory in Nantong City, Jiangsu Province uses its superior scientific and technological strength to carefully prepare the equipment. Conducting in-depth research on dyes, auxiliaries, and processes, the company has better solved the problems of cotton sliver dyeing and silk sliver dyeing, enabling the company to continuously launch new products and win better social and economic benefits.
Cotton sliver dyeing is a new technology and has been extensively researched and applied abroad. According to reports, there are many manufacturers in Japan that use cotton sliver dyeing, mainly including Zhongfang Company (the commercial name of the product is “Romancol”, and there are two products: pure cotton type and polyester/cotton type), Xinwai Textile Company, Uni– Ace Company (products include pure cotton type, cotton/wool blended type, cotton/linen blended type), Textile Company (product’s commercial name is “Multi Melan”), Kurashiki Company (product’s commercial name is “Fruity”, Products include pure cotton type, cotton/silk blended type, cotton/wool blended type, cotton/linen blended type), Nagoya Company and Tutsuta Company (the commercial name of the product is “Tatsulon”, the product includes pure cotton type, polyester/cotton blended type) type and viscose/cotton blended type).
It can be seen that cotton sliver dyeing is a new technology of dyeing and a fruitful way to develop new textile products. After using this technology, it can not only improve production efficiency, reduce production costs, and can improve the quality of the final product, improve the appearance of fabrics and clothing, increase the softness and fullness of the hand, and produce luxurious and elegant clothing and fashion, which are favored by consumers.
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