The Fifth Fifth Enlarged Council Meeting Of The Middle Class Association And The Third Scientific And Technological Development Conference Of China'S Industrial Textiles Industry Were Held

On April 23, the fifth enlarged council meeting of China Industrial Textile Industry Association and the third scientific and technological development conference of China Industrial Textile Industry were held in Suqian, Jiangsu Province. At the meeting, the work items of the Council were reviewed and approved, the domestic and international situations were analyzed, and the current key tasks and future development directions of the industry were discussed.

　　 Sun Ruizhe, President of China Textile Industry Federation, and Li Lingshen, Vice President; Cao Xuejun, former first level inspector of the Consumer Products Industry Department of the Ministry of Industry and Information Technology, and Wu Tong, deputy director of the Textile Department; Li Guimei, President of China Industrial Textile Industry Association; Zhong Xiaobing, member of the Standing Committee of Suqian Municipal Party Committee and Executive Vice Mayor, Chen Wei, secretary of Suqian District Party Committee And other leading guests, Cheng Bowen, former Vice President of Tianjin University of Science and Technology, Liu Yujun, former General Manager of Science and Technology Development Department of China Hengtian Group Co., Ltd And other supervisor representatives; More than 300 people attended the meeting, including the presidents, vice presidents, executive directors, directors of various branches of the Association, experts in various professional fields, leaders of industrial clusters, upstream and downstream associations, and representatives from enterprises and institutions across the industry chain. Meeting by Zhu Xiusen, Vice President and Secretary General of the Middle Class Association, Li Yuhao, Chief Engineer of the Middle Class Association host.

Under the guidance of the China Textile Industry Federation, sponsored by the China Industrial Textile Industry Association, and co organized by the South Glass Institute (Suqian) New Materials Co., Ltd. and Shanghai Dongfang Guochuang Advanced Textile Innovation Center Co., Ltd., the conference was won by Changshu Feilong, Wuyang Textile Machinery, Boluwei, Jiangsu Kuanda, Bidefu, Lianyungang Shenying, Lantian Environmental Protection, Huaji Environmental Protection, Hengsheng Environmental Protection Support from Guangyu Flower Roll, Taizhou Yuxing, Suzhou Rifano and Yancheng Ruize.

　　 Enlarged Council Meeting: Adhere to the responsibility of the times and make new contributions with new achievements

　　 Sun Ruizhe, President of China Textile Industry Federation The speech pointed out that the textile industry is an important ballast for economic and social stability, a competitive industry, a classic industry, and a pillar industry. From "large and comprehensive" to "strong and tough", China's industrial textile industry has prominent advantages in scope economy, scale effect and system. Industrial textiles are the confidence and future prospect of the textile industry, which are based on the materials of the world, the ambition of the world, the extension of application scenarios, and the demonstration of scientific and technological charm. The industrial textile industry is an innovation highland with interdisciplinary integration, a key support for multi-dimensional application scenarios, and a strategic fulcrum for global division of labor. The future development of the industrial textile industry should balance three relationships, namely, security and development, stock and increment, long-term and short-term, and promote ecological intensification, technical deepening, and standard systematization. Sun Ruizhe put forward suggestions on the development of industrial textile industry. First, build a strong foundation and source, and create a new foundation for industrial innovation; Second, cultivate the main body and shape new advantages for industrial development; Third, we should connect the scene and open up new space for industrial value; Fourth, ecological integration is needed to build a new pattern of industrial opening.

　　 Zhong Xiaobing, Member of the Standing Committee of the CPC Suqian Municipal Committee and Executive Vice Mayor It was mentioned in the speech that Suqian has three business cards: Xiang Wang's hometown, China's wine capital and the city of water, which is the fastest growing prefecture level city in the Yangtze River Delta and the most obvious improvement in comprehensive strength. The textile industry is one of the leading industries in Suqian, and industrial textiles are an important part of the national strategic emerging industry and an important field of global textile technology innovation. This conference was held in Suqian, which not only reflects the affirmation of the development of Suqian's textile industry, but also gives them valuable opportunities to connect resources for common development. Zhong Xiaobing also introduced Suqian's industrial ecology and development environment, and mentioned that he would promote Suqian's textile industry to a new level with the best service and the best environment, making new contributions to the development of the national textile industry.

　　 Li Guimei, President of China Industrial Textile Industry Association To analyze the economic operation of China's industrial textile industry in 2024 and summarize the key work. Li Guimei said that in 2024, the industry will show a recovery growth, the economic indicators will pick up and improve, the export will show a trend of "volume increase and price decrease", and the export to major markets will keep growing. In the past year, the Association adhered to the leadership of party building and strengthened the cohesion of the industry; Focus on the top-level design to consolidate the foundation for the development of the Association; Improve the service system and promote scientific and technological innovation in coordination; Strengthen platform construction and stimulate industry development momentum; Strengthen cooperation and exchange and play the role of bridge. In 2025, the Association will continue to work around the leadership of party building, infrastructure construction, bridge ties, innovation driven, standard boosting, green development, talent cultivation, international exchanges and other aspects.

　　 Qin Yonghui, Member of the Standing Committee of the CPC Sucheng District Committee, Secretary of the CPC Working Committee of Sucheng Economic Development Zone The textile industry in Suqian was promoted. He mentioned that Suzhou closely followed the development trend of the city's "first industry", promoted the agglomeration of industrial textile projects, made the Suqian Industrial Park of Nanjing Fiberglass Institute a breakthrough, accelerated the layout of new types of glass fiber, filter materials, optical membrane materials, special fibers and other industrial projects, and created an industrial cluster with core competitiveness.

During the meeting, Sun Ruizhe, President of China Textile Federation, and Li Lingshen, Vice President The leaders of the delegation visited and investigated CSG (Suqian) New Materials Co., Ltd., Hengli (Suqian) Industrial Park and Jiangsu Advanced Light Source Technology Research Institute in Suqian.

Science and technology development conference: extend the application scenario and highlight the charm of science and technology

　　 Xu Lianghua, Professor of Beijing University of Chemical Technology In the report Development Status of Domestic High Performance Fibers and Suggestions for the Next Stage Planning, the industrial status and future development of three high performance fiber technologies, namely carbon fiber, high-performance organic fiber and high-performance ceramic fiber, are introduced. At present, China has established the world's largest PAN based carbon fiber industrial base, and the problem of equipment localization has been basically solved; Establish diversified precursor technology; The industrialization system is basically sound, and the awareness and ability of application services are constantly improving. At the same time, there are also problems such as single market and insufficient demand. He mentioned that application innovation is the key to the development of the fiber industry, which is based on the industrial technology and product quality of high-performance fibers. "Improving quality and efficiency" will support the high-quality upgrading of domestic carbon fiber industry technology.

Textile structural flexible composites are an important part of industrial textiles, and their output accounts for about 20% of the total output of industrial textiles. Product applications cover many fields of the national economy. Chen Nanliang, Professor of Donghua University The theme report of Innovation, Development and Application of Textile Structure Flexible Composites was made, which focused on the innovation and development of China's high-performance raw materials, knitting technology and equipment, high-performance resin system, composite technology and equipment, application technology and performance research in recent years, and looked forward to the application of textile structure flexible composites in national defense and military industry, aerospace, new energy The application prospect in major national needs such as general health.

Wei Huazhen, a researcher of the Fifth and Third Research Institute of China North Industries Group, made a theme report titled "Analysis on the Application and Development of Composite Materials in the Field of Protection and Special Industries".

　　 01 Rigid composite materials branch venue

The rigid composite sub venue was hosted by Zhang Hui, professor/deputy director of the Composite Collaborative Innovation Center of Donghua University.

　　 Ruan Jian, Deputy General Manager of Advanced Materials Company of Nanjing Fiberglass Research and Design Institute Co., Ltd Presented the theme report "Application of high-performance fiber preforms in the aerospace field", introduced the development process of high-performance fiber preforms of Nanjing Fiberglass Institute and the innovative achievements of the team, shared the typical applications of high-performance fiber preforms in the aerospace field, including the role of preforms, molding process methods, typical applications and effects, The future technology development direction and application prospect of prefabricated body are analyzed and prospected.

　　 Chen Wenjun, Researcher/Director of the 8th Research Institute of China Shipbuilding Corporation The theme report "Application of composite materials in electromagnetic control" was made, and several commonly used composite materials for electromagnetic control were briefly introduced; The relationship between the wave transmission performance of the radome and the frequency and incidence angle, as well as the criteria for selecting composite materials for designing radomes for different application scenarios are discussed. In order to meet the requirements of electromagnetic stealth and high power microwave protection, the radomes with frequency selection function and energy selection function are designed respectively. The experimental results show that electromagnetic metamaterials with good performance can be designed based on rigid composite materials.

"One generation materials, one generation aircraft", composite materials with high-performance fibers and fabrics as reinforcements, known as the leading structural materials in the aviation field for their light weight, high strength, corrosion resistance, and excellent designability, play a vital role in promoting aircraft lightweight, improving performance, extending service life, etc, Its usage has also become one of the important indicators to measure the advancement of aviation technology. Zhang Yang, Assistant to the General Manager of AVIC Composite Materials Co., Ltd. and Head of the Low Altitude Economic Industry Development Division/Engineering Verification Center The theme report "Application and Development of High Performance Fibers and Fabrics in Aviation Structures" was made, and the development overview and future trend of high performance aviation grade carbon fibers, glass fibers and fabrics at home and abroad were summarized.

　　 Cui Sheng, Professor/Dean, School of Materials Science and Engineering, Nanjing University of Technology Presented the theme report of Research, Development and Application of Fiber Composite Aerogel Materials. He mentioned that by embedding high-performance fibers into the aerogel matrix, the mechanical properties of aerogel materials can be significantly improved, their thermal stability enhanced, and their durability under complex working conditions improved. At the same time, through further research on relevant parameters such as fiber size, arrangement direction, content and interface bonding mode, the thermal conductivity, density and mechanical strength of aerogel composites can be effectively adjusted to achieve accurate performance matching.

　　 Yang Jianping, Deputy Director of the Standards Institute of Nanjing Sinoma Standards Certification Co., Ltd Make a theme report on the testing, evaluation and standardization of carbon fiber composites. Focusing on the testing, evaluation and standardization of carbon fiber composites, and facing the application of carbon fiber composites in aerospace, automotive, wind turbine blades and other fields, a series of work carried out by the research team at the material level component level, including macro mechanical property evaluation, micro interface performance analysis, composite quality assessment and nondestructive testing, were introduced, At the same time, combined with the development of standardization, the development status and future research direction of standardization of carbon fiber composites in China are described.

　　 Zhang Hui, Professor/Deputy Director of the Collaborative Innovation Center for Composite Materials, Donghua University The theme report of "Design Strategy for Carbon Fiber Composites with Integrated Structure and Function" was made, which clarified the relationship between multi-scale structure and crack growth and the rule of its impact on mechanical properties, established a regulation mechanism for synergistic reinforcement and toughening of interlaminar multiphase structure, and regulated the uniform distribution of atomic scale carbon in the silicon based framework through precursor coating and high-temperature carbonization, The structural energy storage carbon fiber composite was developed; The regulation mechanism of the ordered arrangement of metal nanocrystals modified by long-chain molecular ligands on the surface of carbon fibers was analyzed, and the mechanism of the coordinated assembly of silver nanoparticles and boron nitride was revealed. The construction method of efficient three-dimensional thermal conduction path of composite interlayer resin was established, and the interface dispersion regulation mechanism of nanomaterials in the bicontinuous toughening phase structure was clarified, At the same time, efficient continuous shielding network and reinforced and toughened multiphase structure are constructed to realize the integrated design and preparation of composite structure and function.

　　 02 Flexible composite materials branch venue

Ma Pibo, professor and vice president of the School of Textile Science and Engineering of Jiangnan University, presided over the flexible composite material branch venue.

Membrane structure buildings have the characteristics of light structure, rich shapes, convenient construction, and are widely used in stadiums, transportation facilities, environmental protection storage and other large-scale facilities. In order to meet the functional, safety and aesthetic requirements of membrane structure buildings, building membrane materials must meet the specified performance indicators in terms of material strength, durability, processing performance, fire resistance, self-cleaning performance, light transmittance, etc. Wu Minger, professor of Tongji University Make the theme report of High Performance Building Membrane Materials and Membrane Structure, summarize the performance index requirements of building membrane materials from the aspects of membrane structure performance requirements, design specifications, etc., and look forward to the development of building membrane materials through actual engineering projects.

　　 Wang Shuhua, Chief Scientist of Juhua Group Co., Ltd. and Director of National Fluorine Material Engineering Center Make a theme report on the application of fluorine materials in textile related industries. Fluorine containing new materials have unique properties and are widely used. China is the largest producer and consumer of new fluorochemical materials in the world, and new fluorochemical materials are facing new challenges and opportunities in the new era. FEVE, a trifluoroethylene based fluoro coating, is characterized by high weather resistance, good physical and mechanical properties, and easy curing. The report focuses on the development of FEVE and its application in fabric coating.

　　 Hu Jianhui, Professor, School of Architecture and Civil Engineering, Shanghai Jiaotong University The theme report of Research on Mechanical Properties of Architectural Fabric Membrane and Innovative Application of Engineering Structure was made. The construction fabric membrane material has solved the key bottlenecks faced by the engineering structure, such as long-span, expandable, repeatable, multi-functional, and has been applied to long-span public buildings (National Stadium), emergency buildings (shelter hospitals), inflatable mobile hangars, polar mobile scientific research stations, and photovoltaic buildings (photovoltaic film). The report points out that the future development will focus on the research and development of intelligent membrane materials, green low-carbon and other directions, and promote the development and application of building membrane structures to special environments such as deep space and polar regions.

As a typical intelligent material, shape memory polymer can revert from a preset temporary shape to its original shape under specific external excitation (such as heat, electricity, light, magnetism, etc.), which has a promising application in aerospace, biomedical and other fields. Professor Liu Liwu, School of Aerospace Science, Harbin Institute of Technology Presented the theme report Design and Verification of Space Deployable Structure of Shape Memory Intelligent Composite, introduced the design method of space deployable structure of shape memory polymer composite, and based on this, his team developed space deployable structures such as deployable hinges, trusses, pod rods, and intelligent locking release mechanisms, and carried out verification of relevant mechanical properties and deployment functions.

The research and development of high-performance fabric based flexible composites is a key breakthrough to break through the functional boundaries of traditional materials and reshape the future industrial ecology. Ma Pibo, Professor and Vice Dean of School of Textile Science and Engineering, Jiangnan University The theme report "Preparation and Application of High Performance Fabric based Flexible Composites" was made to systematically describe the innovative path of fabric based flexible composites from basic research to engineering application. He said that through the collaborative innovation of multi-scale structural design, cross dimensional functional integration and advanced manufacturing processes, the "material structure function" integrated research and development system has been built, breaking the technical bottleneck that the strength, durability and intelligent response of traditional flexible materials are difficult to integrate, and promoting the transition of textile based materials from a single functional carrier to an intelligent system platform.

At the same time, the conference held a demonstration of innovative products of competitive enterprises.

(Source: China Industrial Textile Industry Association)