The so -called wet transfer printing is the method of printing the fabric in a wet state, which is determined by the dye dye performance in the dye transfer printing. This article mainly discusses the process of active dyes and acidic dyes for wet transfer printing. Because active dyes and acidic dy Read More
To overcome the problem of large shrinkage of cotton knitted fabrics, the following measures and methods can be taken in combination with the characteristics of knitted fabric printing in the state of slitting and open width: ⑴ loose processing. Minimize the tension of each process in the printing a Read More
Disperse red 3B, a low temperature three primary color, is a very commonly used dye for polyester dyeing. Disperse Red 3B is the first choice for processing red fabrics with blue light in the dyeing process of bright light and medium polyester fabrics. However, in actual production, when the dyeing Read More
Most of the gauze used in the color woven cotton dab, such as labor cloth and Yuan Gong, mostly use sulfur dye dyeing. The price of vulcanized dyes is cheap, the color of the dyeing is full, and the water washed is better. It is one of the commonly used dyes of yarn dye.Sulfur dye contains more sulf Read More
Vat dye is a major dye dyeing for dyeing of current color fabric cotton yarn. After dyeing, the yarn is not only bright in color, but also very good. Most of the daily exposure is above 6 or more, and some varieties are as high as 8. Therefore, all color woven fabrics such as cooking, bleaching, sil Read More
SummaryFor the printed effects, color uniformity, and color accuracy of nylon velvet fabric, the pre -treatment of nylon velvet cloth printing is pre -treated, combined with the selection of printed dyes, the preparation of color pulp, and the optimization of the process conditions, and the optimiza Read More
1.Color fastness: discoloration, staining (matching each other). 2.Pilling: Pilling condition after washing. 3.Size change rate: Pay special attention to the different shrinkage rates of different fabrics after washing, the exposed lining and the appearance deformation. 4.Skew: The rate of twist aft Read More
1. Reductive cleaning under alkaline conditions: Soaping agent + reducing agent (sulfur powder or thiourea dioxide) + alkali (caustic soda or soda ash), but many domestic dyeing factories do not use soaping agent. Soaping agent: non-ionic surfactant, which is beneficial to the dissolving and dispers Read More
1. TemperatureTemperature is an important factor in controlling uniform dye. When acrylic dyeing with cationic dyes, there is very little dye below 75 ° C. When the vitrification temperature (75-85 ° C) of the dyeing temperature reaches the fiber, the upper dye rate of the dye increases rapidly. The Read More
