At present, people’s demand for various types of textiles is no longer just about their appearance, but also about their safety and health care functions. Clothing fabrics, curtains, bed sheets, car carpets that can purify the air for a long time, degrade formaldehyde, self-clean, protect against ultraviolet rays, and have high-efficiency antibacterial and deodorizing properties… These whimsical-sounding textiles are no longer a dream.
Self-cleaning, air purification, antibacterial, deodorization, anti-UV… are all the “magical” functions of textiles explored by the scientific research team. The team developed a nanophotocatalytic material that can degrade organic matter under the action of light, causing harmful organic matter such as formaldehyde and benzene in the air to be decomposed into water and carbon dioxide, thereby purifying the air.
“People often hear in news reports that some children got leukemia and other diseases after riding in a newly bought car or living in a newly renovated house. Although medicine is not yet certain that formaldehyde, benzene and other substances cause these diseases. The main reason, but we still hope to find a material that can purify the air well and avoid polluting the air and causing diseases!” Speaking of the original intention of the research, in terms of manufacturing process, nano-photocatalytic materials and textile fibers are firmly combined and can be used as a kind of material. Efficient and durable photocatalysis is in line with multi-functional textiles, which can degrade or decompose volatile organic compounds (VOC) in the environment and can be used in daily life and some special occasions to achieve the function of “purifying the air”; at the same time, the light Catalytic functional textiles also have multiple functions such as UV protection, antibacterial and deodorization.
However, many technical difficulties need to be overcome to achieve uniform dispersion of nanoparticles and strong bonding with fibers. At present, many research teams have tried many methods, such as using solution blending or melt blending methods to mix nanomaterials with fiber polymers to produce functional fibers and fabrics. However, nanomaterials are easily agglomerated and may be accompanied by impurities. , is not easy to control; some research teams also use adhesives to attach nanomaterials to the surface of fabrics. However, such adhesion will make the fabrics feel rough and difficult to care for and clean. After nearly ten years of research, a research team has used chemical methods of structural modification to make nanomaterials carry reactive chemical groups, which can directly react with fibers to achieve tight covalent bonds. This chemical combination not only ensures that the fabric It does not contain any added adhesive, takes advantage of the characteristics of the fabric raw materials, and is green and environmentally friendly.
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