On December 18th, the highest science and technology award in China's textile industry, the "Textile Light" Science and Technology Education Award, was presented. Don't underestimate this 14-year-old award! It is not only the cradle of the National Science and Technology Progress Award, but also many black technologies that shocked the world were born in Chinese textile factories that have won the award. Today, let's take a look at the award-winning black technology that affects our lives!

Metal mesh, China is the second country in the world to develop a shared satellite antenna with a diameter of over 10 meters for transmitting and receiving

Is there a relationship between textile factories and satellite manufacturing? Absolutely there is! The first satellite of China's satellite mobile communication system - Tiantong-1 01 satellite, has a high-tech born in our textile industry!

There is a special umbrella in the laboratory of Donghua University. This umbrella neither blocks rain nor shade, because its umbrella fabric is not ordinary nylon, but ultra-thin metal mesh. It is this metal mesh that has demonstrated great power in multiple satellites such as China's Beidou Navigation Satellite and Mobile Communication Satellite, breaking the history of China's long-term dependence on imported satellite metal mesh antennas.

Metal mesh is a key component for reflecting electromagnetic waves in satellite antennas and the basic material for spaceborne mesh antennas. However, as is well known, "even the most rigid is easy to fold", and extremely fine metal wires have high rigidity, low extensibility, and large residual torque. The difficulty of turning metal into a uniform and soft "fabric" can be imagined. Donghua University, which has been devoted to textile technology for a long time, has cooperated with enterprises such as Xi'an Space Radio Technology Research Institute, Wuyang Textile Machinery, and Jiangsu Runyuan to use ultra-fine metal wire splicing and warp knitting technology to achieve the splicing and twisting of ultra-fine gold-plated molybdenum wire fibers that are only 1/4 the thickness of hair strands. It has also innovatively designed and manufactured specialized wire drawing, warping, and warp knitting equipment and a complete set of production processes.

This series of technological and process breakthroughs has achieved a balance of rigidity and flexibility in the metal mesh of satellite antennas, and has also reduced the weight of the metal mesh by more than 90%, making it easier to carry and larger in size. This set of key technologies for producing ultra-fine metal wire warp knitting and its application in large-scale deployable flexible satellite antennas also won the first prize in the "Textile Light" technology category this year.

The achievement has independent intellectual property rights and the overall technology has reached the international leading level. The metal mesh product developed by the project has been successfully applied on China's high-performance satellites, greatly improving the communication capability of China's satellites, breaking the foreign technology monopoly, and making China the second country in the world after the United States to develop a shared satellite antenna with a diameter of more than 10 meters. "Li Lingshen, Vice President of the China Textile Industry Federation, said," Advanced process technology has improved the application field and added value of textiles. The research and application of new technologies, new processes, and new equipment have greatly enhanced the added value of textiles and expanded the application field of textiles

Swallowing cola bottles, old film, spitting out new blankets, car boards

Are cola bottles, old film and cars related? As long as there is black technology for the recycling of waste polyester fibers, they are inseparable.

It is reported that China generates about 21 million tons of waste textiles annually in the production and consumption process, with a reuse rate of less than 14%. If all cotton and linen textiles in China's waste textiles can be recycled and reused, it can provide about 6 million tons of natural fibers annually, exceeding the national cotton production and reducing the occupation of 20 million acres of arable land, which can greatly alleviate the bottleneck constraints of raw materials in the textile industry. If the recycling rate of synthetic fiber products can be significantly improved, it will save millions of tons of crude oil consumption for China every year.

However, recycling is a test of true skill. Due to the complex sources of waste materials, significant differences in color, purity, viscosity, and the presence of a large amount of impurities, every step of production, such as recycling, sorting, cleaning of fragments, and melt spinning, is a challenge. Through efficient and flexible processing, enterprises such as Zhejiang Lvyu Environmental Protection Co., Ltd. and Ningbo Dafa Chemical Fiber Co., Ltd. have achieved high-quality and high-value reuse of waste fibers, and constructed a waste polyester fiber recycling system with complete intellectual property rights. The key technology and industrialization of producing recycled polyester BCF expanded filament from waste polyester bottle flakes can enable Longfu Huaneng to swallow 2.6 billion waste plastic bottles and spit out 6 million environmentally friendly blankets annually. These companies have all won this year's Textile Technology Award.

According to Li Lingshen, China has established the world's largest production base for recycled polyester fibers using polyester waste fibers as raw materials. The products have been widely used in fields such as building materials and automotive panels, and the overall technology has reached the international advanced level, achieving efficient regeneration and high value-added development of waste polyester fiber products.

'Technology, fashion, and green' will become the new labels of China's textile industry

In addition to these high-end textile technologies, there were also many textile innovations in 2017, which greatly improved the clothing experience of Chinese people by improving the supply quality of clothing fabrics.

Have you had a bad experience of sweating profusely while wearing a down jacket? Jiangsu Danmao has innovated a down jacket fabric with humidity and temperature control. The fabric woven from a blend of functional polyester and wool fibers can utilize body heat to accelerate the evaporation of moisture on the fiber surface, while also storing heat and insulation. After the fabric is compounded with a highly breathable and breathable film, it also has good anti drilling velvet and windproof and rainproof functions, keeping the wearer in a constant temperature and humidity of 37.5 degrees.

Have you ever experienced the embarrassment of having vegetable juice splattered on your shirt chest while eating? Have you ever struggled to clean collar stains? This year, Lutai Textile has launched an easy to care shirt using high-tech methods. This shirt has been designed with functional zoning. In addition to overall wrinkle resistance, the easily dirty collar and cuffs also have waterproof, oil resistant, and stain resistant functions, making it particularly easy to remove dirt; The front panel of shirts that are prone to stains has nano three proof and anti stain functions; The back and sleeves, which are prone to sweating, have moisture absorption and quick drying functions, greatly reducing the difficulty of clothing maintenance and making washing more water-saving.

Finally, friends who love outdoor sports are also blessed. In the past, China's UV protective clothing was lightweight and aesthetically pleasing, but had poor functionality and was prone to tanning; The real sunscreen is too heavy and stuffy, how to balance functionality and aesthetics? The ultra-thin and UV resistant multifunctional fabric that Pathfinder won the Textile Technology Award this year imitates the scale structure of sunset butterflies, with a coating that only weighs 3 grams per square meter, forming a lightweight shield that is both breathable, breathable, waterproof, and UV resistant.

Sun Ruizhe, President of the China Textile Industry Association, stated that in the new historical period, we need to accelerate the construction of a strong country in textile technology, brand, sustainable development, and textile talent. For a considerable period of time in the future, China's textile industry will focus on technological innovation and product development, shaping a new positioning for China's textile industry, that is, to build the industry into an innovation driven technology industry, a culture led fashion industry, and a responsibility oriented green industry. 'Technology, fashion, green' will become the new label of the textile industry

Source: Changxing Textile