Textile knowledge: What are the categories of textile additives?

Textile auxiliaries are indispensable for improving the quality and added value of textile products. Not only can they give a variety of special functions and styles to textiles, but they can also improve the dyeing and finishing process, saving energy and reducing processing costs. In recent years, domestic and foreign textile additives industry and market have developed rapidly. At present, there is no uniform classification method for textile auxiliaries in the industry. In general, according to the final application of textile additives can be divided into pre-treatment auxiliaries, printing and dyeing auxiliaries and finishing auxiliaries, and some of the chemical fiber oil agent listed separately.

The use of pretreatment aids is mainly to remove natural or man-made impurities from the fabric, and to give full play to the excellent properties of the fabric, such as whiteness, softness, and good permeability, to meet the needs of subsequent processes. Pretreatment auxiliaries mainly include wetting agents, penetrants, bleaches, detergents and the like. Printing and dyeing auxiliaries are a series of auxiliaries used in addition to dyes and coatings during the dyeing and printing process. They mainly include emulsifiers, dispersants, leveling agents, fixing agents, fluorescent whitening agents, and paint printing. Additives, reducing agents, bleaching agents, resists, stripping agents, dye-enhancing agents, anti-stripping agents, etc.

The use of post-finishing auxiliaries is mainly through physical-chemical processing to improve the appearance and intrinsic quality of the fabric, improve the hand feel, stabilize the form, improve the performance of the product, or impart certain special functions to the fabric, such as shrink-proof, wrinkle-free, flame-retardant, Anti-static, anti-mildew anti-bacterial, anti-pollution and anti-oil.

Chemical fiber oil agent refers to the adjustment of the frictional characteristics of fiber in the production and processing of chemical fiber, prevent or eliminate the accumulation of static electricity, give the fiber smooth, soft and other characteristics, improve the fiber cohesion force, protect the fiber strength, reduce the breakage rate and make chemical fiber smoothly through the spinning Stretching, elastic spinning, weaving and other processes, in fact, the natural fiber cotton, wool, linen, silk and other processing processes must also use the appropriate oil. With the increase in the types of functional fabrics today, the variety of oils is also increasing.

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