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Refining The wax on the cotton fabric is not easy to interact with caustic soda, and it must be removed by emulsifying it with an emulsifier (soap). The emulsification should be carried out in an appropriate pH range. Removal of…
Dyeing and finishing production is a complicated job. The production process is complex and meticulous, and problems can occur at any time if you are not careful. In the dyeing and finishing production of textiles, because there are many links…
Watermark refers to the dyeing of semi-products before dyeing, dyeing and color-fixing process and after dyeing droplets or splash water droplets, resulting in droplets, splash water droplets on the part of the fabric on the dyestuffs and chemical additives are…
During the dyeing and finishing process, textiles are subjected to moist heat treatment with various chemical agents and mechanical tension, which not only deforms the tissue structure, but also causes stiffness and roughness in the hand. Softening is a process…
Low temperature pretreatment Pre-treatment includes desizing, degreasing, refining, bleaching, alkali reduction, etc., which are generally carried out at high temperatures. After the cold reactor pre-treatment, high-temperature water washing is generally required to reduce pre-treatment problems, which can intuitively reduce steam…
Textile dyeing fastness (referred to as color fastness) refers to the degree of color fading of dyed or printed fabrics under the action of external factors (extrusion, friction, washing, rain, exposure, light, seawater impregnation, saliva impregnation, water stains, perspiration and…
In order to improve the color and light stability, the prerequisites for improving the first-class dyeing rate are as follows: select a disperse dye compatibility combination that has the same or similar dyeing temperature, light fastness, hydrolysis stability, thermal migration…
Application of commonly used auxiliaries in textile dyeing and finishing The fluorescent whitening agent VBL stilbene triazine type is an anionic direct dye. Its dyeing performance is basically similar to that of direct dyes. During use, use salt and Yuanming…
Chunya spun warp ①. Chunya spun warp and weft at least one polyester low elastic filament polyester fabric, under normal circumstances Chunya spun warp and weft are low elastic filament except for a few special circumstances! ②. We categorize from…
In view of the shortcomings of polyester performance, its modification research mainly includes: The first is the physical modification method, which mainly performs physical blending modification during the production process of polyester. The second is the chemical modification method, which…