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How much do you know about yarn-dyed fabrics?

2021-09-06 11:20:09
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Yarn-dyed weaving refers to the process of dyeing yarns or filaments, and then using dyed yarns for weaving. Different from the printing and dyeing method of printing and dyeing the woven fabric, the yarn-dyed fabric dyes the yarn first, and then uses the colored yarn for the weaving process, which has a unique style.


The colors of yarn-dyed fabrics are mostly bright and bright, and the pattern is also distinguished by color contrast. Generally speaking, yarn-dyed fabric refers to cloth woven by shuttle looms, but knitting machines can also make yarn-dyed knitted fabrics.


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  Yarn dyed can be divided into full yarn dyed and half yarn dyed


Full-color weaving: There are dyed or partially dyed yarns in the warp and weft (or several colored yarns and white yarns are interwoven in the fabric).


Semi-dyed: The warp or weft yarn is dyed or partially dyed. 


The reason why the fabric adopts full-dyed weaving:


❶ In order to achieve the effect of different colors-the same material dyed with different colors can not be done after printing and dyeing, but yarn-dyed weaving can be done.


❷ Requirements for color fastness and shade-yarn-dyed products have good color fastness and good shade. C The requirement of layering-a good layering is required. 


The reason why the fabric is half-dyed:


① Different warp and weft materials-different yarn materials for warp and weft have different requirements for dyeing performance. Semi-dyed weaving can be used.


② Reduce costs and increase fancy. 


  The difference between yarn-dyed and printed dyeing


Yarn dyed yarns are dyed, and then colored yarns are used for weaving, such as many shirt fabrics, denim, etc.


Printing and dyeing-the woven fabrics are printed and dyed, such as many printed fabrics, with rich patterns.


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Characteristics of yarn-dyed fabric


advantage


Strong three-dimensionality: yarn-dyed fabrics use different colors of yarns to match the fabric structure to form various beautiful flower patterns, which are more three-dimensional than general printed fabrics.


Good color fastness: Since the yarn-dyed fabric is dyed with raw yarn and has strong dye permeability, the dyeing fastness is better.


Rich colors: The yarn-dyed fabric is woven with multi-shuttle and dobby, which can interweave different fibers or different yarn counts into varieties with rich colors and smart patterns.


Unique style: As the yarn-dyed fabric adopts colored yarn or color yarn and various organizational changes, it can be woven into a variety of beautiful and unique styles.


shortcoming


Due to the large loss of processes such as yarn dyeing, weaving, and finishing, the Taiwanese production is not as high as the white grey cloth output, so the input cost is high and the technical requirements are high.


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Yarn-dyed fabric factory production process


The yarn-dyed fabric production process is divided into two types: tube dyeing and shaft dyeing according to the warp dyeing method. The tube dyeing method can be used regardless of the size of the order, but the process is longer and it also brings some inconvenience to cost control. The shaft dyeing method has a short process, low warp loss, and better control of the color of the cloth surface. According to the current equipment configuration of our company, it is suitable for dyeing single-volume varieties over 2000 meters. 


The yarn-dyed fabric factory is divided into three main workshops: dyeing workshop, weaving workshop, and finishing workshop according to the different processes. There are also production planning, equipment dynamics, process technology and other departments. The following mainly introduces the three major processes: dyeing, weaving, and finishing.

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Source: Baidu Library, Dyeing People


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