Nano-ecological Dyes

Definition

1.Nano-ecological dyes are a new type of dyes with a particle size of less than 100 nm and very good color fastness. They meet the requirements of Oeko-Tex Standard l00. Researchers have made special discussions on the concept, properties, technological innovation and application of nano-ecological dyes. Dyeing has a very long history, and dye printing and dyeing make textiles colorful and radiant. However, dye printing and dyeing still have the following serious disadvantages: dyed fabrics have a lot of floating colors and must be washed, which produces a lot of wastewater; the printing and dyeing process is long, the equipment is many, and the equipment investment is large; the energy consumption is high, the cost is high, and the profit is low; the color fastness is low, and most products do not meet the requirements of ecological textiles.

2.Unique functions. Therefore, nano materials of different scales, different crystal forms and different varieties are selectively modified and compounded to obtain nano powders with ideal functions. Similarly, according to the needs of the textile industry, a series of textile-specific nano powders can be obtained after purposeful deep processing.

3. Multifunctional composite refers to the research and development of combining two or more functions into one textile. For example, fibers with anti-ultraviolet and antibacterial functions can be used to weave swimwear, mountaineering clothes and T-shirts; fibers with waterproof, breathable and antibacterial functions can be used for comfortable underwear; fibers with anti-ultraviolet, anti-infrared and antibacterial functions (cool, antibacterial) can be used for high-performance sportswear, casual wear, etc. At the same time, the application of nanomaterials to composite and finish pure cotton or cotton-chemical fiber blended fabrics with multiple functions, these multifunctional textile products have huge market demand.

Application

1.The effective application of nanomaterials and nanotechnology is the bottleneck restricting the development of the nanomaterial industry. It is believed that nanotechnology will open up a new world in the field of textile printing and dyeing, and more and better nanotextiles will become the new highlight of textile technology in the 21st century. Nano antibacterial textiles have been launched in large quantities, and their development trend is promising, but the research on their safety and hygiene lags far behind the development of products. In the future, research work in this area will be strengthened to enable the textile industry to form a continuous and effective pull on the nanomaterial industry.

2.At the same time, we must also strengthen the basic research work related to nano textiles. For example, when using nano additives to finish textiles, there is no effective characterization and measurement method for the attachment rate of nanoparticles on textiles, the way they attach to the fiber surface or inside the fiber, etc. This will inevitably make it difficult to ensure the product quality of nano textiles and affect the research and development of nano textiles.

3.Digital inkjet printing technology for textiles is a new printing technology that integrates information, computer        image processing and new materials. It is an extension of office inkjet printing technology in the field of textiles.          The coating printing and dyeing process has been widely used in foreign printing and dyeing processing due to           its simple process, accurate color imitation, and no need for washing, accounting for more than 50%.

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