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We are a professional yarn manufacturer, Polyester Brushed Yarn It is one of our products. Let me introduce to you how to prevent color difference in polyester warp knitted dark brushed fabric?
In recent years, it has become very popular in domestic and foreign markets and has a tendency to replace polyester polar fleece. Polyester warp knitted velvet, mercerized velvet, plain velvet and striped velvet are favored by consumers.
After brushed finishing, the warp knitted fabric looks like woolen fabric, the suede is full, the cloth body is tight and thick, the hand feel is crisp and soft, the fabric has good drape, easy to wash, quick-drying, no ironing and no pilling, which overcomes the problem of wearing performance. Knitted and woven fabrics have certain disadvantages and are ideal fabrics for sportswear and casual wear.
At present, most polyester warp knitted sportswear and casual clothes on the market are color-blocking and white-blocking styles. After the finished fabric with poor color fastness is sewn into clothing, after washing, the color of the dark fabric will be stained on other light-colored and white fabrics, making the clothing lose its aesthetic value. Through experiments on dye screening and process optimization, a solution to the problems of poor color fastness to washing and white stains was formulated:
(1) Screening disperse dyes with high color fastness to washing and good fixation rate;
(2) To formulate a complete dyeing process from dyeing temperature, time, pH value, speed of cloth lifting wheel and reduction cleaning method, and strengthen management and process control;
(3) Pay attention to the control of the process parameters of the open width setting and brushing finishing of the finished fabric to prevent it from affecting the quality and quality of the fabric such as color fastness.
By optimizing the dyeing and finishing processes and strengthening the production process control, the color difference △E values of the polyester warp knitted brushed dark varieties (red, black, dark blue) that have undergone mass production are all less than 1 (including left, middle and right color difference, match difference, Color difference between head and tail), color fastness to washing and color fastness to white stain are all above grade 4, which can meet customer requirements.
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