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Polymeric Force Promotes High-Quality Development Of Acupuncture Technology
In recent years, needle punched nonwovens have continuously achieved innovative development in the application fields of raw materials, processing technology, geotechnical materials, filter materials, building waterproof materials, automotive interior, synthetic leather base cloth, paper making blankets, medical and health products, etc. In 2022, driven by the continuous growth of effective demand, the annual output of needle punched nonwovens will reach 1.597 million tons, and about 150 needle punched nonwovens production lines will be added. The needle punched nonwoven industry will continue to focus on the upgrading of the industrial base and the modernization of the industrial chain, strengthen the innovation of raw materials, equipment, process and finishing technology, and realize the transformation of the industry to high-end, digital, green and service-oriented.
On May 19, the 2023 National Acupuncture Technology Innovation and Development Forum, sponsored by China Industrial Textile Industry Association and undertaken by Jiangsu Yingyang Nonwovens Machinery Co., Ltd. and Guangshan White Shark Clothing Co., Ltd., was held in Changshu. Experts, professors, entrepreneurs and production technicians from research institutes, equipment manufacturers and manufacturing enterprises related to the acupuncture nonwoven industry chain attended the conference. The meeting was presided over by Han Jing, Deputy Secretary General of the Association.
Seeking innovation and creating the "cradle" of original technology
Nonwoven industry, as one of the characteristic industries of Changshu, started in 1978. Li Hanzhong, Vice Mayor of Changshu Municipal People's Government, said that from the production of the first 115 needle punching machine to today, there are 423 non-woven production enterprises and 43 enterprises above the designated size. The upstream and downstream supporting clusters of the industry have begun to show scale effects, and the products sell well in domestic and foreign markets. At the same time, the restrictions on bottle necks are also increasingly prominent.
Li Hanzhong introduced that the Changshu Municipal Party Committee and the Changshu Municipal People's Government have always been concerned about the development of the nonwoven industry, listed it in the "354" industrial development plan during the "14th Five Year Plan" period of the city, established a special class for high-quality development of the nonwoven industry, and issued the Three Year Action Plan for high-quality development of the nonwoven industry (2021-2023). At present, the transformation and upgrading of stock enterprises are fast and steady, The first 200 mu of the first phase of the non-woven industrial park has been put into use, a number of high-quality non-woven enterprises have successfully landed, and the development of characteristic clusters has shown initial results. In the future, it will actively build itself into a new industrial highland.
In recent years, the industrial textile industry has a strong development scale, diversified and reasonable structure, significant quality and benefit, broad development space, outstanding innovation contributions, and constantly strengthened international expansion capacity. Li Lingshen, vice president of China Textile Industry Federation, said that China's needle punched nonwovens technology has developed rapidly, technical equipment has been upgraded by generations, composite processes have been innovated, and product applications have gone deep into high-end. The quality improvement and product innovation of needle punched nonwoven industry are relatively active, and functional and differentiated products continue to emerge; Its raw materials, equipment, process and finishing technology innovation are also constantly giving new functions and new applications to acupuncture materials.
Li Lingshen put forward three suggestions on the development of needle punched nonwovens industry in order to anchor that China will be among the forefront of innovative countries and create a modern textile industry system in 2035. First, promote the transformation and upgrading of the industry with advanced manufacturing, and give consideration to scale development, quality and efficiency, structural optimization and sustainable development. The second is to enable industrial innovation and reform with the digital economy, focus on promoting the development and application of advanced equipment and the intelligent construction in the field of nonwovens, so as to realize the independent control of the technical system and the safety and efficiency of the industrial chain supply chain. The third is to strengthen the dominant position of enterprise innovation, promote the convergence of various innovative elements to enterprises, and form a new pattern of industrial development that creates brands, sets up leaders, and dares to lead.
"In 2022, spunbond, needle punching and spunlace will still be the three major processes in China's nonwoven industry, of which needle punched nonwovens will be less affected by the change in demand for epidemic prevention materials, and the annual output will reach 1.597 million tons, an increase of 4.88%, driven by the continuous growth of effective demand." Li Guimei, president of China Industrial Textiles Industry Association, focused on the high-quality development of China's nonwoven industry In recent years, needle punched nonwovens have continuously achieved innovative development in the application fields of raw materials, processing technology, geotechnical materials, filter materials, building waterproof materials, automotive interior, synthetic leather substrates, paper making blankets, medical and health products, etc.
Li Guimei further talked about that, in terms of technology and equipment, there is still room for improving the performance of acupuncture machines and needles. The use of new materials for key parts and the lightweight of key parts of acupuncture machines are the focus of acupuncture technology improvement and development at home and abroad. There is a large space for intelligent development of acupuncture machines and other equipment in China. In terms of raw materials and applications, needle punched nonwovens and composites processed from regenerated cellulose fibers, jute fibers, wool fibers, etc. have been applied in geotechnical buildings, transportation tools, etc., especially in the integrated innovation and industrialization of automobile nonwoven materials technology and equipment technology, which help China's position as a major automobile producer; Algae fiber and carboxymethyl cellulose fiber have innovative applications in acupuncture sanitary products and medical dressings. The key tasks of green development of nonwovens focus on three aspects: promoting energy conservation and carbon reduction in the industry, developing environment-friendly products, and strengthening the recycling of waste textiles. In the future, the high-quality development of the nonwoven industry will focus on six aspects: policy guidance, scientific and technological innovation, brand leadership, green development, the road to standards, and industrial upgrading.
Textile machinery is the foundation of China's textile industry and an important support of the whole textile industry chain. Hou Xi, Vice President of China Textile Machinery Association, introduced the technical progress and future development of nonwoven equipment in China. At present, China's textile machinery has achieved a comprehensive breakthrough in intelligent manufacturing. There are mature intelligent manufacturing application scenarios in the subdivisions of synthetic fiber filament, cotton spinning, yarn dyed yarn dyeing, weaving, nonwovens, clothing and other industries, forming a complete example of intelligent manufacturing in the textile industry chain. Hou Xi believes that the development of China's textile machinery industry still faces such problems as the urgent need to build a public research and development platform, the need to pay attention to original innovation research, and the need to improve stability and reliability. Therefore, the development of the industry should pay more attention to textile green production, intelligent processing, high-tech textile equipment, and realize the intelligent manufacturing upgrading of textile machinery enterprises.
Cohesion to promote high-quality development of acupuncture technology
Consolidate consensus and promote cooperation. Optimizing the industrial chain structure and achieving breakthroughs in key technologies are of great significance for promoting high-quality development of the industry. During the forum, two strategic cooperation ceremonies of needle punched nonwoven industry chain opened the prelude to win-win cooperation among enterprises.
Li Lingshen, Vice President of China Textile Federation, Li Hanzhong, Vice Mayor of Changshu City, Li Guimei, Chairman of the Middle Class Association, Zhou Zhijian, Secretary of the Party Committee of Zhitang Town, Changshu City, Hou Xi, Vice President of China Textile Machinery Association, Zhang Yifeng, President of Henan Industrial Textile Industry Association, Fan Liyuan, President of Changshu Nonwoven Industry Chamber of Commerce and President of Jiangsu Yingyang Nonwoven Machinery Co., Ltd, Zhang Yonggang, chairman of Guangshan White Shark Card Clothing Co., Ltd., jointly launched a new phase of cooperation between Jiangsu Yingyang and Guangshan White Shark Nonwoven Carding Technology Research Station.
Li Lingshen, Vice President of China Textile Federation, Li Hanzhong, Vice Mayor of Changshu, Fan Liyuan, President of Changshu Nonwovens Chamber of Commerce, Chairman of Jiangsu Yingyang Nonwovens Machinery Co., Ltd., and Barry Roberts, Sales Director of Grotsbeck Asia Pacific, jointly inaugurated the joint research and development center of acupuncture technology between Jiangsu Yingyang and Grotsbeck.
Fan Liyuan, chairman of Changshu Nonwovens Chamber of Commerce and chairman of Jiangsu Yingyang Nonwovens Machinery Co., Ltd., said that the progress of acupuncture technology has constantly promoted the transformation, upgrading and high-quality development of China's industrial textile industry. Acupuncture technology has successfully assisted the development and manufacturing of heavy equipment in large countries, and has also been deeply integrated into the lives of residents. Yingyang is committed to improving acupuncture frequency, equipment reliability and intelligence, and constantly developing and testing the best acupuncture process.
"This strategic cooperation with White Shark Card Clothing is of great significance." Fan Liyuan said that the two enterprises have jointly established a national textile card clothing technology research and development center and a non-woven carding technology research station for five years. The new five years will open a new chapter, and the two sides will further deepen their integration.
In addition, the first strategic cooperation between Yingyang and Grotsbecker is a new opportunity. Yingyang looks forward to establishing strategic cooperation with more partners and user friends to jointly promote the high-quality development and innovative application of acupuncture technology.
"After a decade of development, it is very lucky that the white shark card clothing and the industry have made common progress." Zhang Yonggang, chairman of Guangshan White Shark Card Clothing Co., Ltd., said that Guangshan White Shark Card Clothing Co., Ltd., founded in 1962, is the largest metal card clothing manufacturing base in China. It has formed six categories of carding products, including cotton, wool, linen and industrial textiles, and has formed acupuncture Spunlace, hot air and other industrial textile processing methods have accumulated rich experience in the broad carding cause. Zhang Yonggang sighed that over the past 30 years, White Shark Card Clothing and Yingyang have achieved common growth. In the future, both sides will work together to launch better products and provide better services.
Barry Roberts, head of sales in Asia Pacific of Grotsbecker, said that China's innovation and development are exciting, especially in the field of automotive materials, leather materials, and carbon fiber materials. The Chinese market has shown strong competitiveness. In the future, on the road of continuous innovation, Grotsbecker hopes to work together with everyone to contribute to the prosperity of the industry. This is our development opportunity and our responsibility.
Work together to promote technological innovation and industrial development
"Innovation is the only driving force for the sustainable development of enterprises. Raw materials are the key to innovation, nonwoven composite and combination technology is the focus of innovation, and nonwoven finishing technology is the difficulty of innovation." Qian Xiaoming, professor and doctoral supervisor of the School of Science and Engineering of Tianjin University of Technology, interpreted the theme report "Development and Innovation of Needle punched Nonwovens Technology".
He mentioned that split type two-component spunbond technology is a new nonwoven material forming method based on composite spinning, which is characterized by high speed, high efficiency and high yield. The two-component hollow orange petal filament produced by this technology can overcome the intermolecular force between the two polymer components in the fiber under external extrusion and shearing, break the interface between the components, and thus achieve efficient, high-speed and green production of high-strength filament microfiber nonwoven materials. Qian Xiaoming also introduced the easy opening technology, two-component spunbonded in-situ secondary drafting crimping technology, and the principle of combination of acupuncture and spunlace.
Feng Xueben, the chief engineer of Wuxi Jiayuan Nonwovens Technology Research Institute, proposed in the theme report Development Trend of Needle Punching Finishing Technology that with the maturity of finishing technology in functional independence, intelligent manufacturing, environmental protection and energy conservation, the advantages of nonwovens finishing equipment are becoming more obvious and more popular with users. For example, the shaping machine pays more attention to the combination development of independent units, reduces heat dissipation by improving the door structure, saves space by using a double-layer oven structure, and reduces operators by unifying the distribution direction; The coating machine is no longer a single functional equipment, but is equipped with a multi-function coating head and a coating effect detector on the same device, which can enable users to test, develop new products and produce small batch products on the coating machine. Feng Xueben said that the research and development of nonwoven finishing equipment and technology should focus on energy conservation, consumption reduction, environmental protection, water conservation and other aspects, as well as its all-round expansion and application in the Internet of Things and 5G technology.
Zuo Hong, Chairman of Jiangsu Baijiali New Material Technology Co., Ltd., ran the theme report "Design creates value - the design upgrading road of needle punched nonwoven materials". He believes that industrial design has become the core competitiveness of brand enterprises and the main driving force leading the transformation and upgrading of the industry. It is the only way for the sustainable development of the industry to promote the innovative application of nonwovens in the field of architectural acoustic decoration through industrial design, expand the aesthetic characteristics of nonwovens on the basis of their excellent functional characteristics, create new formats and new products, boost the power of products at the supply side, and activate more effective demand. The company actively combines the PET material degradable fiber material, industrial design acoustic material and nonwoven material preparation process, and strives to achieve the goal of green, low-carbon, recycling and fashion as soon as possible.
The key technologies of needle punched nonwoven equipment mainly focus on three fields: feeding of needle punching machine, transmission and vibration reduction of needle punching machine, and needle punching method of needle punching machine. Ji Xia, the chief scientist of Jiangsu Yingyang Nonwovens Machinery Co., Ltd., professor of the School of Mechanical Engineering of Donghua University, and doctoral supervisor, delivered the theme report "Technological Innovation and Application Expansion of Needle punched Nonwovens", sharing the status quo of needle punched nonwovens, key technologies, and application cases of nonwovens. She mentioned that the future needle punched nonwoven equipment will mainly develop in the direction of new model development, lightweight design, green energy saving, high efficiency and high yield, intelligent monitoring, etc.
Ren Taiping, Head of Wool Non woven Carding Technology Department of Guangshan White Shark Card Clothing Co., Ltd., made a theme report on New Technology and New Card Clothing Carding Application. The white shark card clothing has the internationally leading Jingquan technology, and has excellent performance such as ultra-high wear resistance, super smoothness, corrosion and oil resistance agent, rust resistance, etc. The company actively optimizes the carding solution according to the product performance: improve the wear resistance of card clothing through surface strengthening; Flexible combing can reduce fiber damage by coning process; Matching the auxiliary facilities related to wire laying machine and needle punching machine to achieve high speed and high yield; Adopt special technology to optimize rust resistance; Special tooth profile is adopted to reduce work roll flying. The company is also equipped with advanced roll wrapping equipment, super first-class technical service engineers, combing the engineering service system, and improving all aspects of engineering services.
Geosynthetics has become the fourth new building material after wood, steel bars and cement. Liu Haowu, Chief Engineer of Hongxiang New Materials Co., Ltd., around the theme of Development and Application of Needle punched Nonwovens in the Field of Geotextiles, shared the development history of needle punched nonwovens, product features and functions, application in the field of geotextiles, as well as the product standards of needle punched geotextiles, selection of key performance indicators of geotextiles and quality improvement. He said that among many industrial textiles, nonwoven geotextiles have become the main development direction of geotextiles in the world today, accounting for about 68% of the market share because of their excellent performance, simple process flow, low cost and other characteristics.
Acupuncture technology and its products are widely used in the filtration industry, involving industrial dust removal, air purification, liquid filtration and other fields, and have great development space in the development and application of cutting-edge materials. Bai Yafei, Deputy General Manager of Nanjing Fiberglass Academy Membrane Materials Co., Ltd. and General Manager of Sinoma Science and Technology Membrane Materials (Shandong) Co., Ltd., made a theme report on the development and application of needle punched nonwovens in the field of filtration and separation. He said that compared with the international leading technology, China's filter materials still have some gaps in film stability, permeability and corrosion resistance of the base material, corrosion resistance of the filter material, ash removal and filtration accuracy. In view of the above problems, CSG made targeted research countermeasures and developed the preparation technology of three-dimensional heterogeneous PTFE membrane, substrate structure design and manufacturing technology, chemical surface treatment technology and chemical surface treatment technology, which effectively improved the physical and chemical properties of the filter material surface and improved the filtering accuracy.
"The interior decoration scheme of new energy vehicles needs to have sound absorption and sound insulation performance, and more attention should be paid to the selection of environmentally friendly materials, intelligent technology configuration, and simple and atmospheric design style." Shanghai Shenyangteng Automobile Textile Interior Trim Co., Ltd. shared the development status of China's automobile industry with the theme of "Development Direction of Needle punched Fabrics for Getting Off in the New Energy Era" Features of needle punched fabrics for new energy vehicles. He said that in the foreseeable future, as new energy vehicles will have more special requirements for supporting materials, the current T2 automobile needled fabric supporting manufacturers must comply with the development of the times and actively increase research and development efforts to share the development dividend of new energy passenger vehicles.
Qu Xiaozuo, the sales director of Grotsbecket's non-woven department in China, made a report titled "Technical Research and Development of Needles for Needling Machines". It was discussed that different kinds of fabrics have different requirements for their surface performance, tear strength and uniformity. Choosing needles with different positions and shapes according to the use needs can reduce the damage of equipment to fibers and bottom cloth, Improve the service life of the product. The full cone needle developed and promoted by Grotsbeckett has more uniform bending strength, more elasticity and higher production speed; The finished product surface of the energy-saving needle is more flat, the puncture resistance is low, and the energy consumption is low; The rotary needle has high needle punching efficiency, better tightness of nonwovens, and higher fiber splitting efficiency; The new material of Dur needle has optimized the production process and significantly improved the production efficiency.
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