Interpretation of the advantages of active printing technology
2021-12-28
Walking on the busy streets, you will find various printed clothes everywhere at any time. They are beautiful and dazzling, eye-catching. The craftsmanship of this clothing varies, and the processing methods are diverse. The reactive printing technology, as its name suggests, is a dyeing method that involves reactive dyeing for processing. Its sources are numerous, such as the fresh flowers we often see, various designs, and of course, different phonetic combinations of characters. This allows us to unleash our imagination and showcase different visual effects. It is an endless treasure waiting for us to explore. The products made with this technology have a wide range of uses, and the finished products can circulate in the market for a long time without changing due to fashion trends. This is because the colors of the printed fabrics are bright and remain fresh over time.
The reactive printing technology for textiles has a long history in our country. The origins of direct printing, anti-dye printing, and wax dyeing processes for pure cotton fabrics are all in our country. For example, it was once an indispensable blue printed cloth in people's lives, with a history of over 1300 years. Its principle is the white paste anti-dye printing using a hollow plate. With the development of machine industry, the previous manual printing methods have gradually declined, replaced by continuous machine production.
Among the dyes used for printing cotton fabrics, reactive printing is commonly used due to its bright colors, complete color spectrum, and convenient color matching (it can be used with various dyes or resist printing); it has high solubility, is not prone to color spots, and has good wet fastness; it has good breathability for fabrics, good uniform dyeing, small color difference, and good reproducibility; and it is low cost, etc. Additionally, reactive printing has the advantages of low processing costs, simple technology, and large amounts of pigment used, while its disadvantages are poor fastness and poor hand feel (which can be improved through softening and processing after finishing). When printing with reactive dyes, high-viscosity sodium alginate is generally used as a paste, with small modification and penetration, which can maintain the pattern unchanged, and most fuels use dual-reactive group M-type reactive dyes, which have high chromaticity and lift.
The dyeing method using reactive technology is also known as reactive dyeing. Why is this so? Because it contains genes that can fully induce chemical changes in the fabric. During the dyeing process, the textile and dye undergo chemical changes, becoming a whole, and the textile has various advantages. For example, it is strong and beautiful. When we compare the reactive processing of printed paper technology with the coating method, it is evident that the fabrics treated with reactive processing have the advantages of being pollution-free and soft. Therefore, we have reason to believe that in the future, it will be more widely applied.
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