New Materials: High Quality Development Forum For Technological Innovation Of Fiber New Materials Held

From comfortable health, safety protection, intelligent and functional consumer goods close to the people's livelihood, to key fields such as national defense science and industry, transportation, new energy, life health, modern agriculture, biomedicine, etc. that affect the national economy and the people's livelihood, advanced fiber and new materials are the indispensable foundation and core, playing a pivotal role. They not only affect people's quality of life, but also provide strong support for national development and security.

As a strategic and basic field of the modern industrial system, the development of advanced fiber new materials leads the innovation of products and processes, promotes the deepening and extension of product applications, and promotes the restructuring and upgrading of the industrial system. So, in the new era of vigorously developing new quality productivity, how can advanced fiber and new materials achieve technological revolution, breakthrough and iterative upgrading?

On June 7, Zhu Meifang, academician of the Chinese Academy of Sciences and dean of the School of Materials Science and Engineering of Donghua University, Jin Gaoling, vice president of the China Chemical Fiber Association, Wang Yuping, director of the National Advanced Functional Fiber Innovation Center, Wang Rui, professor of Beijing Institute of Clothing Technology, Donghua University, Beijing University of Chemical Technology, Suzhou University, Tianjin University of Technology, Wuhan Textile University Experts and scholars in the field of fiber textile, such as Shanghai University of Engineering and Technology, gathered in the R&D building of the National Advanced Functional Fiber Innovation Center. At the "2024 High Quality Development Forum for Scientific and Technological Innovation of Advanced Fiber New Materials", they had in-depth exchanges, smart collisions, shared insights, focused on new fiber materials for the development of emerging industries, and discussed the implementation path and new win-win cooperation model. Chen Qi, Deputy District Head of Wujiang District, Chen Yu, Secretary of the Party Working Committee of Wujiang High tech Zone and Secretary of the Party Committee of Shengze Town, Zhang Jianhua, Deputy Director of the Management Committee of Wujiang High tech Zone and Director of the Management Committee of China Oriental Silk Market, as well as relevant leaders such as the Industrial Development Promotion Center of the Ministry of Industry and Information Technology, and representatives of the innovation center alliance units and industry enterprises attended the event. Mei Feng, Chairman of Jiangsu New Vision Advanced Functional Fiber Innovation Center, presided over the meeting.

High end leading: the road of setting the tone for industrial development

　　 Chen Yu, Secretary of the Party Working Committee of Wujiang High tech Zone and Secretary of the Party Committee of Shengze Town In his speech, Shengze said that based on promoting the independent and controllable positioning of the industry, it will build a complete textile industry chain from "a drop of oil to a piece of cloth" and "a piece of silk to a brand", and constantly enhance the global competitiveness of the industry. In this process, special attention has been paid to the development of new fiber materials. Focusing on the direction of new fiber materials, a full chain service ecosystem has been built, supported by key laboratories, pilot bases, national testing centers, etc., and the full chain path from technology and intellectual property analysis to basic application research and development, to product pilot production and industrialization has been opened up, Apply scientific and technological innovation achievements to more industrial enterprises, and accelerate the transformation of "key variables" of scientific and technological innovation into "effective increment" of new quality productivity. In the future, Shengze will, as always, attach great importance to and fully support the development of the new fiber material industry, promote industrial renewal, and drive the overall renewal of the textile industry with fiber material innovation.

　　 Chen Qi, Deputy District Head of Wujiang District People's Government It said that Wujiang is at the forefront of the integration development of the Yangtze River Delta, comprehensively focusing on new industrialization, accelerating the gathering of innovative resources, promoting the construction of a strong socialist modernization zone, and constantly creating new advantages for high-quality development in the implementation of national strategies. After years of cultivation, Wujiang has four hundred billion level industries of high-end textile, new generation information technology, high-end equipment and new materials. New energy is accelerating to the fifth hundred billion level industry, and the strength of private economy leads the country. She said that Wujiang will take this event as an opportunity to further focus on new quality productivity, constantly improve service awareness, create a good development environment, provide a solid guarantee for the construction of manufacturing innovation center, and continue to empower and increase efficiency for the development of new fiber materials industry.

　　 Zhu Meifang, academician of the Chinese Academy of Sciences and dean of the School of Materials Science and Engineering of Donghua University In the speech, it was pointed out that under the impetus of a new round of scientific and technological revolution and industrial reform, China's fiber material industry is taking high-quality development as the guide, and constantly enriching its own connotation and driving industrial transformation and upgrading through interdisciplinary and multi field integration and innovation of nanotechnology, biotechnology, information technology, advanced manufacturing technology and other disciplines. Zhu Meifang put forward three suggestions on the future technology development direction of new fiber materials: first, give full play to the leading role of scientific and technological innovation, give play to the innovative and subversive characteristics of new materials, and strengthen scientific and technological innovation, key technologies, green elements and sustainable development. Second, we should continue to pay attention to the green and low-carbon development of technology, improve the attention of technology research and development in environmental protection, develop biodegradable and recyclable materials, and promote carbon emission reduction in the industry. Third, we should vigorously improve the digital intelligence of fiber materials, use industrial Internet, artificial intelligence, big data and other technologies, build a transparent and credible digital platform, and promote industrial upgrading and digital transformation.

Full of dry goods: experts and scholars on technological innovation and industrial integration

Focusing on the three directions of high-end fiber materials, new functional fiber materials, and new cutting-edge fiber materials, experts and scholars in the fiber textile field brought the cutting-edge scientific and technological achievements of universities and research institutes from the laboratory to the market, docked major research and development needs, deeply integrated technological innovation resources with the industry, and carried out extensive technical exchanges and application discussions. With profound academic attainments and rich practical experience, they shared the latest research on advanced fiber and new materials, and put forward constructive views on the development trend and future prospects of modern fiber textile industry. Vice President of China Chemical Fiber Association Jin Gaoling , Head of R&D Department of Innovation Center Xu Jinlong host.

Aim at high-end fiber materials

　　 Professor Meng Yun, Academician Team of Sun Yize, Donghua University With the theme of "Knitting Technology and Equipment for Large Size Profiled Composite Structure", the 3D braiding equipment technology is introduced in detail, including braiding principle and equipment innovation, mechanical and fiber bundle system optimization, CNC system development and control method implementation, fiber composite products produced by 3D braiding technology and application scenarios, main performance indicators of domestic 3D braiding equipment, etc, It provides theoretical basis and technical support for the development of 3D braided composites. He said, "Complex curved surface, large curvature, large size, super thick profiled composite structural parts are the major strategic needs of the country. No matter which molding method is used, equipment is the most basic guarantee."

High performance organic fiber plays an indispensable role in many fields such as national defense and military affairs, security protection, transportation, etc. It is one of the core competitiveness of the future national manufacturing industry and low-carbon economy. Professor Zheng Gou of Tianjin University of Technology In the "Development and Application of Interface Treatment Technology for High Performance Organic Fiber", the industry status and product development of high performance fiber and its treatment agent are described, and the importance of high performance organic fiber treatment agent is emphasized. She mainly introduced the key points of development of interface treatment agents such as aromatic polyamide fiber and ultra-high molecular weight polyethylene fiber, proposed the localization direction of high-performance organic fiber interface treatment agents, and provided new thinking and breakthrough direction for breaking the barriers of fiber interface treatment technology.

　　 Professor Wang Dong, Wuhan Textile University The theme report of "Research on Nanofiber Materials and Their Applications in the Field of Filtration and Separation" was made. The great potential of membrane filtration and separation technology in wastewater treatment, desalination and reuse of reclaimed water, the preparation methods of nanofibers and their aggregate materials, and the manufacturing and structural design of fiber based high-performance liquid filtration materials were emphatically introduced. The nanofiber membrane filtration and separation elements developed by his team have high permeability and high selective permeability, and can be applied to the quality inspection, research and development, production, media supply and other scenarios of biopharmaceuticals, microelectronics, energy chemicals, food and beverage industries, providing strong technical support for the key links of these industries.

Positioning functional fiber new material

　　 Wang Bin, Associate Professor of Beijing Institute of Fashion Technology The key technology research and development of functional polylactic acid fiber and its application in clothing and home textile products were introduced with the theme report of Functional polylactic acid fiber and its product development. He pointed out that polylactic acid fiber is a representative variety of biomass fiber. Compared with commonly used petroleum based fiber, it has the characteristics of biodegradation, health and safety, bacteriostasis and skin affinity, and has broad development prospects in the textile and clothing industry. The key technologies for the preparation of modified polylactic acid fiber, antibacterial polylactic acid fiber and three-dimensional crimp polylactic acid fiber developed by his team have been industrialized. These functional polylactic acid fibers and products have improved the product competitiveness of the enterprise, produced good economic and social benefits, and helped the low-carbon development of the textile industry.

Bacterial nano cellulose, with ultra-high water retention, high purity and crystallinity, and excellent mechanical properties, has a broad application prospect in food, cosmetics, biomedical and other fields. Professor Hong Feng, Donghua University In "Total Biosynthesis of Cellulose Nanofiber Hydrogel Film and Its Application in Hemostatic Sponge and Antibacterial Dressing", the technology of preparing bacterial nanocellulose (BNC) with high efficiency and low cost, high added value application research and project landing planning were mainly introduced. He proposed that the current medical antibacterial dressings and hemostatic sponges based on nanofiber membranes can better meet the clinical needs for multifunctional repair materials, and the development of composite materials has become the main strategy.

　　 Wang Chun, Associate Professor, Research Center of Fiber Materials, School of Textile and Garment, Shanghai University of Technology In the sharing of Preparation Technology and Application of Fiber Separation Membrane, the urgency and importance of efficient separation technology in the current social context were emphasized. The research status of the Fiber Materials Research Center and the research achievements of its team in the fields of melt spinning stretching interface pore forming technology, continuous oil-water separation membrane preparation technology, etc. are introduced in detail. In addition, he also shared the research and development progress of cutting-edge products such as high-temperature PTFE hollow fiber composite membrane and high-temperature perfluoropolymer hollow fiber composite membrane and their performance in practical applications.

Gather cutting-edge fiber new materials

　　 Yang Weimin, Professor of Beijing University of Chemical Technology The report titled "Research Progress in Innovation of High Efficiency Low Carbon Green Intelligent Manufacturing Technology for Polymer Baked Differential Nanofibers" systematically explained the key technologies of green and efficient manufacturing of polymer melt electrospun nanofibers from the aspects of research background and problems, innovative breakthrough direction and ideas, research progress and achievements, and introduced the multi field coupling electrospun fiber ultra-fine control technology Melt electrospun nanofiber membrane industrialization equipment and many other original achievements, and the latest scientific research achievements were displayed on the scene. He said that in the two important paths of melt and solution electrospinning for polymer nanofiber manufacturing, zero solvent melt electrospinning has significant advantages of green environmental protection, intrinsic safety and complete conversion of materials into fibers, but it is urgent to overcome the problems of difficult insulation of plasticizing system, low efficiency of capillary nozzle and insufficient fiber refinement.

　　 Huang Cheng, Professor of Suzhou University In Intelligent Cross Cooling Fiber: From Ferroelectric Fiber to Hyperstructured Surface, a flexible ferroelectric PVDF based film and fiber solid state cooling technology based on active cooling of electric card and passive cooling of micro/nano luminescent body radiation are proposed. On the basis of improving the high temperature resistance, high modulus and super elastic ferroelectric fiber based on flexible ferroelectric PVDF, the influence of its super textured surface and super textured fiber film on the radiation passive cooling of micro/nano emitters was studied; It overcomes the single function of traditional fiber membrane radiation cooling and realizes multi scene, intelligent (phase change) radiation cooling and intelligent thermal management. The intelligent phase-change refrigeration fiber provides a solution to the inherent problems of active refrigeration and active passive combined refrigeration of electric cards.

　　 Zhang Lin, Deputy Director of Research and Development of National Advanced Functional Fiber Innovation Center In the report "Complete set of technologies and industrialization for large-scale preparation of nanofibers by liquid phase efficient overflow method", it was proposed that the large-scale preparation of nanofibers was one of the difficulties that hindered its low-cost large-scale application. Compared with electrospinning, air spinning technology has the potential to achieve large-scale production of nanofibers. Based on air spinning technology, the project has developed a complete set of technology for liquid phase efficient overflow nanofiber. After three generations of configuration iterations, it has established the design and delivery capacity of liquid phase efficient overflow nanofiber macro manufacturing equipment, realized the continuous production of multiple varieties and series of nanofiber membranes, and has good economic and social benefits and prospects.

The deep integration of industrial big data, artificial intelligence technology and chemical fiber production is of great significance for promoting the high-quality development of the chemical fiber industry and realizing the power of chemical fiber. Zhang Jie, Professor of Artificial Intelligence Research Institute of Donghua University In the "Data Driven Intelligent Pipe Pulling Technology for the Whole Process of Chemical Fiber Production", the challenges faced by the current chemical fiber production in China were analyzed, the technical advantages of industrial big data and artificial intelligence were sorted out, the technical framework of intelligent management and control for the whole process of chemical fiber production driven by data was proposed, and the team's early failure prediction Related research on four scenarios, namely, chemical fiber cloud edge collaborative floating silk visual inspection, chemical fiber polyester melt quality prediction and control, and chemical fiber filament autonomous intelligent scheduling optimization. Finally, the future development of intelligent control technology for chemical fiber production is prospected based on the industrial model.

2024 Release of Top Ten Emerging Technologies in Fiber Field

During the 14th Five Year Plan period, China's new fiber material industry entered a high-quality development period of a new stage, new concept and new pattern. Focusing on the needs of key fields, it developed aerospace materials, high-end equipment materials, new generation electronic information materials, biomedical materials, new energy materials, etc., and focused on the demand for materials in emerging directions such as 5G and flexible displays, Promote closer connection between development and application.

In order to meet China's demand for technological innovation of fiber materials and the development trend of fiber materials technology at home and abroad in the future construction and development of economy, society and national defense, Wang Yuping, Director of National Advanced Functional Fiber Innovation Center Published“ 2024 Top Ten Emerging Technologies in Fiber Field ”。

"2024 Top Ten Emerging Technologies in Fiber Field" is precisely divided into three systems: general fiber, special fiber and cutting-edge fiber system. Among them, the general fiber system focuses on multi-function, sustainable development and high-value trend, covering the efficient flexible technology of polyamide fiber, high-value reuse of post consumer textiles, and negative carbon fiber technology leading the green trend. Special fiber system focuses on special functions, energy oriented and degradable, including bio based degradable polyester, high-performance bio based fiber and advanced energy fiber materials. The cutting-edge fiber system aims at cross scale, high-throughput and future industrial development potential, including bionic aerogel fiber, fiber based flexible sensing materials and technology, high-throughput preparation technology of nanofibers, and metamaterials. These ten technologies represent the strategic forward-looking research in the fiber field, show the innovative vitality of the fiber field, and lay a solid foundation for the future sustainable development and industrial upgrading.

(Source: China Chemical Fiber Industry Association)