Nanotechnology enables the beautiful and fertile w

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The application of nano fabrics in the textile industry

often encounter some questions from merchants and consumers. Why does the "beautiful and fertile" seamless wall cloth multi-functional wall cloth prevent mold, moisture, moisture and dirt? In the face of such questions, Shaoxing aipai Textile Co., Ltd. will give consumers a detailed answer to the application of nanotechnology in products

in the eyes of most people, nano materials may still be a very technical material, which is still a long way from our life. However, in real life, nanotechnology has a wide range of applications, and nano materials are not far away from us

with the rise and continuous development of information technology and Bioengineering, nano functional materials and nanotechnology have become the research hotspot of various countries. Due to the unique structure and performance of nano materials and the wide application prospect in practice, nanotechnology has penetrated into all fields of human life and production, such as cosmetics, coatings, food, machinery, electronics, chemical industry, medicine, energy, etc. Nanotechnology can improve many traditional products or obtain a series of new functions, and enhance the market competitiveness of products. In the textile industry, nano materials and technologies also have broad application prospects, especially in today's textile functionalization and high value-added, nano materials can enable products to obtain various functions such as conductive static electricity, high strength and wear resistance, antibacterial and deodorization, UV resistance, high adsorption and so on through raw material functionalization and finishing methods

first, the application of nano materials in textiles can be divided into two categories: one is to realize the functionalization through fiber modification, and the other is to carry out the functional finishing of fabrics through finishing technology

nano materials are applied to fiber modification and functionalization, mainly by using chemical fiber modification technology, using nano materials as additives to modify fibers, and preparing functional fiber/nano material composite fibers. For example, solution blending in wet spinning is to add nanoparticles to the polymer after it is dissolved in an appropriate solvent, stir it well, and then spin it. Melt spinning is to add nanoparticles to the molten polymer to prepare functional fibers. This method takes advantage of the thermal stability of nanoparticles, but requires them to have good dispersion and compatibility with polymers

finishing is also a major method of combining nano particles with textiles, especially for natural fibers. This method mainly refers to coating method and impregnation method. Coating technology is a commonly used technology in finishing. It is to add nano particles to the coating agent, and then fine coat them on the fabric surface. After drying and some necessary treatment, a functional coating is formed on the fabric surface, so as to achieve special functions. This method has the advantages of simplicity, durability, convenient process operation and so on. Impregnation method is to mix the latex of nano particles and other finishing agents evenly, and then immerse the fabric to obtain special effects. In short, how to achieve a better combination of nanoparticles and textiles is mainly to solve the two problems of how to make them evenly distributed in textiles or fibers, and how to make them form a good and solid combination with fiber polymers and fabrics, so as to ensure the stability, durability and uniformity of product quality

second, nano materials also have a wide range of applications in the functional side of textiles

with the application of various high-tech in the textile processing industry and people's needs for clothing comfort, hygiene, health care and other aspects, various functional textiles continue to emerge, such as anti-bacterial and anti odor, anti ultraviolet, far infrared, anti electromagnetic radiation, anti-static and so on, specifically to nanotechnology and nano materials, It can be mainly used in the following aspects

1. Anti ultraviolet, anti-static finishing and far-infrared health care finishing

it is well known that appropriate ultraviolet radiation has the effect of sterilization and disinfection, but for the human body, excessive ultraviolet radiation will induce various skin diseases, promote cataract and other eye diseases, reduce immunity, especially in the continuous destruction of the atmospheric ozone layer, and the amount of ultraviolet radiation on the ground increases rapidly, It is necessary to finish the textiles with UV protection. Some nanoparticles have the ability to absorb and reflect ultraviolet rays, such as nano zinc oxide powder, which can effectively prevent skin erythema and skin cancer. In addition, with the extensive use of synthetic fibers, due to their poor hygroscopicity, the electrostatic phenomenon caused by friction is very serious, and then a large amount of dust in the surrounding environment is adsorbed. The application of nanotechnology can be prevented by adding a small amount of nano metal particles. Others, such as zirconia monoclinic crystal, can effectively absorb external energy and radiate far-infrared rays that are the same as the biological wave spectrum of the human body. This far-infrared ray acts on the human body, that is, it produces resonance activation of human cells, which has the functions of heat preservation and bacteriostasis, promoting blood circulation, enhancing immunity and other health care

2. Antibacterial and anti electromagnetic radiation finishing

some metal particles, such as silver, copper, zinc, iron, etc., can release trace metal ions through them, which can combine with negatively charged bacterial proteins to deform or precipitate bacteria, so as to achieve sterilization. At present, the commonly used textile antibacterial agents at home and abroad are mainly divided into organic antibacterial agents and silver series inorganic antibacterial agents. Among them, organic antibacterial agents have unidirectional antibacterial property, which is easy to cause bacteria to develop drug resistance. Silver series inorganic antibacterial agents have high cost and complex preparation process. Nano zinc oxide and silver oxide powder not only have good antibacterial and deodorizing functions, but also have good UV shielding effect. For example, the nano antibacterial and deodorizing towel developed in China is a kind of health care daily necessities with broad-spectrum antibacterial properties. With the popularity of various household appliances, mobile phones, computers and other communication equipment, the impact of electromagnetic radiation on human health has increasingly attracted widespread attention, The expert seminar on electromagnetic radiation and its prevention held in Shanghai not long ago "In fact, more than 10 experts agreed that preventive measures should be provided for people who are exposed to electromagnetic waves for a long time, and nano materials themselves have superior radiation protection performance, so they can be widely used in this regard

3. The generation of sun resistant, anti-aging, high-strength and wear-resistant materials

some chemical fibers are not sun resistant, because organic polymer materials will degrade molecular chains under ultraviolet radiation, producing a large number of free radicals, causing The color and strength of fibers and textiles are affected. Nano TiO2 particles are a kind of stable ultraviolet absorbent, which are evenly dispersed in polymer materials. By using its absorption of ultraviolet light, the degradation of molecular chains can be prevented, so as to achieve the effect of sun resistance and aging resistance

in the research of nano functional materials, there is another kind of "carbon nanotube", which was originally prepared by Iijima by arc discharge. Its radial size is in the order of nanometer and axial size is in the order of micron. It is a typical one-dimensional quantum material, with high mechanical strength, amazing electrical properties, high elastic modulus, and excellent wear resistance, fatigue resistance, corrosion resistance, heat resistance and other properties, And it can also be filled with a variety of substances. Therefore, carbon nanotubes can be used to make all kinds of new textile materials and fabrics, such as conductive or antistatic fibers and functional fabrics, high-strength and high modulus materials, and so on. In addition, carbon nanotubes also have good wave absorption characteristics. Fabrics made of fibers containing their particles have much higher light absorption than general absorbent materials, and can be used to make wave absorbing and anti reflection fabrics for special purposes

in China, according to incomplete statistics, there are more than 100 enterprises based on nanotechnology, and seven production lines of nano materials have been put into production or are under development. In the process of combining with traditional industries, the application of nano materials in the textile industry has just begun. There are still many problems about the dispersion uniformity of nano materials on fibers or textiles and how to better combine them, which need further research. But at the same time, we should also realize that the development of nanotechnology is not only a challenge, but also an opportunity for the textile industry. We should speed up the combination of nanotechnology and the textile industry, inject new vitality and vitality into the traditional textile industry, and develop nano textile materials and textiles with various functions

fabrics made of nano materials may be the closest to our life. Nano is a chemical treatment technology based on nano materials. Nano cloth uses a special physical and chemical treatment technology to integrate nano raw materials into fabric fibers, so as to form a protective layer on ordinary fabrics, increase and improve the waterproof, oil proof, antifouling, breathable, bacteriostatic, environmental protection, color fixing and other functions of fabrics, and can be widely used in clothing, household textiles and industrial textiles

cover the mouth of the water cup with nanotechnology treated cloth Pour a small amount of clean water on the surface of the cloth, and the clean water condenses into droplets, which flow on the surface of the cloth Water will not penetrate into the fabric fibers

waterproof: the waterproof characteristic index of untreated fabric is 1 (completely wet), while the waterproof characteristic index of treated fabric is 5 (not wet)

oil resistance: the oil resistance index of untreated fabric is 0, while the oil resistance index of treated fabric is 6 (up to 8)

antifouling: the fabric treated by Swedish nanotechnology has a very significant reduction in stain adhesion

environmental protection concept: the fabric treated by Swedish nanotechnology is completely qualified under all environmental protection indicators

ventilation: the reduction in ventilation is no more than 20%, and the ventilation effect is much higher than that of other coating treatments

do not change the touch: fabrics treated by Swedish nanotechnology do not produce perceptible changes in the touch

economical and durable: tensile properties and wear resistance have been significantly improved

not easy to change color: it can keep the color bright and bright as new for a long time

non toxic: there is no toxic reaction

odorless: there is no additional odor

in general, nano materials have penetrated into every aspect of our life and are slowly changing our life, making our life more colorful and better

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