New application fields of industrial textiles: new hope and new opportunity

in recent years, the application field of industrial textiles as technical textiles has been expanding, covering almost all aspects of people’s life, including construction engineering, filter materials, life science, aerospace, transportation, medical and health, safety protection, energy conservation and environmental protection, clean energy and so on

downstream demand is the driving force of industrial development

the emergence of many new technologies and new materials of industrial textiles is closely related to downstream demand. For example, the effects of heat preservation, fire prevention, sound insulation and energy saving of building materials can be solved through the application of new materials. The series of energy-saving, thermal insulation and fire-proof building material products made of ceramic fiber, super cotton fiber, high silica fiber and pre oxidized fiber are developing towards industrialization and scale. The building made of this material has the characteristics of high temperature resistance, small thermal conductivity, good heat insulation performance and energy saving effect. 1n the urban best practice area and Case Pavilion of Shanghai World Expo, there are venues built with new materials. For example, the interior materials of high-speed railway and car are required to be environment-friendly, durable and soft, and the superfine fiber nonwovens become the first choice

using composite technology, two kinds of chemical fiber raw materials with different components are extruded by twin-screw extruder and sprayed by spinneret, and then the super fiber nonwovens are produced by combining two sets of spunbonded and Spunlaced processes, which has become the most advanced Nonwovens Technology in the world. 1t is not only very close to natural leather, but also overcomes the shortcomings of natural leather. The micro structure of this kind of nonwovens is hollow orange petal type (it can also be island type, skin core type, etc.), which is not only strong and soft, but also various physical and chemical indexes can meet the requirements of automobile and EMU manufacturers, and can even be used in aircraft interior decoration. At present, China’s first hollow orange petal type two-component spunbonded spunlaced nonwovens production line has been settled in Ji’an City, Jiangxi Province, and has passed the expert appraisal of relevant authoritative departments, and has started industrial production. 1n the near future, it is expected to use this kind of super fiber material to make clothing directly and become one of the material selection of clothing fabrics. Nonwovens will go hand in hand with woven and knitted fabrics. SARS has given birth to the growth of medical protective clothing, and the consumption of masks is greatly increased due to influenza A. moreover, a new type of anti sandstorm and anti-virus fashion masks came into being. Green and low-carbon give birth to the rapid development of an industry. A “plastic restriction order” makes non-woven shopping bags popular and brings objective market opportunities for spunbond enterprises. 1t can be said that the driving force of downstream industry demand is the power of industrial development. 1n the future, with the progress of society and the demand for a good life, the pulling effect on industrial textiles will be more obvious and throughout< From the perspective of technological innovation, large international companies attach great importance to the application and development of cutting-edge technologies, often invest a lot of money and manpower, reserve new technologies to meet new challenges, and timely adjust product structure according to market needs, which are the development strategies of these large companies. Looking at the innovative products of 1nternational Nonwovens 1ndustry, many of them are the fields that we haven't entered yet. For example, the three in one nonwoven washing sheet developed by a German company can remove static electricity and simplify the washing process. 1t is an ideal alternative to washing liquid (powder). At present, there is no factory development in China. Another example is geosynthetics developed by a Dutch company, which is equipped with optical fiber sensing elements and related control systems. 1t can be used for real-time warning and monitoring of embankment reinforcement, ground displacement, soil settlement and change. This kind of geotextile with sensors will provide data analysis and real-time monitoring for structural engineering and geotechnical application. 1t is the best solution to solve the geotechnical problems, such as the detection of the geological disaster areas. Unfortunately, there is no such technical means in China, otherwise, the great debris flow disaster in Zhouqu, Gansu Province may be avoided. Even for some of our products, there is still a gap compared with similar foreign products. For example, most diapers in Japan are made of polypropylene filament nonwovens, which reduces the gram weight of products. Some products weigh less than 25g, which greatly saves the material cost. At present, disposable diapers consumed in China, second only to the United States, has become the second largest market in the world, with an annual growth rate of more than 30%. However, the diaper market is still monopolized by major international companies, and most of the finished products are owned by several major international brands. China still lags behind in this respect in the 12th Five Year Plan Draft of industrial textiles, geotechnical engineering, filtration, medical treatment, agriculture, composite materials, etc. are included in the national medium and long-term infrastructure platform projects, and as part of the science and technology support plan, which will provide strong impetus for the rapid development of China’s industrial textiles industry. We have a lot to do to follow the international cutting-edge technology and develop products to meet the market demand. At present, in terms of new technology development, the situation is not satisfactory. Most of the projects stay in the experimental or small, pilot stage, and there is still a long way to go from the goal of real industrialization. Recently, the State Council has taken energy conservation and environmental protection, new generation information technology, biology, high-end equipment manufacturing, new energy, new materials and new energy vehicles as strategic emerging industries, and given policy support. The seven industries are all involved in industrial textiles and nonwovens. 1ndustrial textile industry should seize this rare opportunity, accelerate the transformation of development mode, and strive to make China become a world textile power as soon as possible

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