The 23Rd National Printing And Dyeing Industry New Materials, New Technologies, New Processes And New Products Technology Exchange Conference Was Successfully Held!

Scientific and technological innovation is the core element of the development of new quality productivity. Leading the development of new quality productivity and the construction of modern industrial system with scientific and technological innovation is an important way to improve the quality and efficiency of development.

In order to further give play to scientific and technological innovation as the first driving force leading the high-quality development of the printing and dyeing industry, promote the sharp leap in scientific and technological strength, and form a strong support to promote the high-quality development of the industry, on April 15, sponsored by the China Printing and Dyeing Industry Association The 23rd National Printing and Dyeing Industry New Material, New Technology, New Process and New Product Technology Exchange Conference co organized by Jiangsu Sunrise Biotechnology Co., Ltd. was grandly held in Shanghai.

　　 Li Lingshen, Vice President of China Textile Industry Federation, Xu Weilin, Academician of the Chinese Academy of Engineering, Deputy Secretary of the Party Committee and President of Wuhan Textile University, Lin Lin, President of China Printing and Dyeing Industry Association, Chen Zhihua, Chairman of the Board of Supervisors, and Dong Shuxiu, Vice President Nearly 300 people attended the meeting, including other non resident vice presidents, vice chairmen of supervisors and other leaders, representatives from printing and dyeing enterprises and related enterprises and institutions across the country, leaders of local associations, experts and scholars from colleges and universities, research institutes and news media workers.

This meeting is based on“ Science and technology lead innovation ”As the theme, exchange and discussion were carried out around issues such as fabric fashion trend research and analysis, market demand analysis, functional fabric development and production practice, new fiber fabric dyeing and finishing technology, hot and difficult printing technology, digital intelligent equipment application, etc.

The morning meeting was held by Dong Shuxiu, Vice President of China Printing and Dyeing Industry Association host.

　　 Li Lingshen, Vice President of China Textile Industry Federation In his speech, he said that this year is a sprint year to fully realize the goals of the 14th Five Year Plan, and also a critical period for China's textile industry to move towards a new stage of high-quality development and the high-end of the global value chain.

He pointed out that the printing and dyeing industry, as a key link in the textile industry chain to optimize the process and efficiency and realize the promotion of the value chain, has the typical characteristics of interdisciplinary and multidisciplinary integration, and is the industry with the most active technological innovation, the most abundant applied scientific research achievements, and the most significant spillover effect of technological innovation in the industry chain. Since the "14th Five Year Plan", the printing and dyeing industry has made remarkable achievements in scientific and technological innovation, and has vigorously promoted scientific and technological self-reliance. For the future printing and dyeing industry, he proposed three suggestions on how to build a more efficient modern industrial system by strengthening scientific and technological innovation: first, adhere to innovation driven, create a technology source, and improve the safety level of the industrial chain; Second, deepen collaborative innovation, build a new pattern of integrated ecology and enable industrial upgrading; Third, deepen quality innovation, optimize product supply, and promote the leap of industrial value chain.

　　 Xu Weilin, Academician of the Chinese Academy of Engineering, Deputy Secretary of the Party Committee and President of Wuhan Textile University Make a special report on "the current situation and trend of functional fabric development". He pointed out that functional fabrics are irreplaceable raw materials for the national economy and national defense and military industry. High performance, comfort, multi-function, intelligence, low cost and durability are the technological development direction of functional fibers and fabrics innovation. Through professional theoretical knowledge and typical enterprise cases, he introduced the current research and development achievements of functional fabrics at home and abroad in detail from the aspects of fiber innovation and performance mining, spinning technology progress and yarn structure innovation, weaving technology innovation, dyeing technology innovation, etc. Finally, he shared the current development trend of international testing technology, It also points out that standard innovation and traction are important driving forces to promote enterprise technology upgrading.

　　 Lin Yuanjie, Vice Chairman of Jiangsu Xinruibei Biotechnology Co., Ltd Presented a special report on the development status of synthetic biotechnology in the textile field and its application in the printing and dyeing industry. He pointed out that bio based products have the advantages of zero carbon, renewable, biodegradable, etc. In recent years, with the improvement of consumers' awareness of environmental protection, people prefer to choose environmentally friendly bio based products. Brands are also actively increasing the application of bio based materials to reduce carbon emissions. As a supplier of bio based products, SRB can provide a full range of bio based products and process combinations from sizing, pretreatment, dyeing and finishing. Compared with traditional processes, the new process has obvious advantages in energy saving and emission reduction.

　　 Meilicheng Fashion Technology (Wuhan) Co., Ltd. Product Center Vice President Peak Make a special report on the new demand of outdoor sportswear consumption trend for printed and dyed fabrics. He introduced that in 2025, outdoor sports fabrics will present five core trends: sustainable material penetration, intelligent interaction technology explosion, multi-functional composite performance upgrading, cultural symbols and functional aesthetics combination, and health oriented scene segmentation. On the technical level, innovations such as fluorine free waterproof coating and electrospun nanofiber membrane will solve the balance contradiction between environmental protection and performance, while mycelium leather and DyeCoo waterless dyeing technology will promote sustainable breakthroughs. In the future, outdoor fabrics will reconstruct industrial value through technology transformation from military to civilian use and cultural narrative design, shift from functional protection to dual demands of "science and technology+emotion", and lead a new consumption era with equal emphasis on fashion and performance.

　　 Gu Ren, Chairman and General Manager of Changzhou Hongda Intelligent Technology Co., Ltd Make a special report on "grand intelligent detection technology enables high-quality development of printing and dyeing industry". He introduced that at present, intelligent manufacturing in the printing and dyeing industry has entered a new period of innovation and development, and printing and dyeing equipment is moving towards high-end, intelligent and green. It is worth noting that, although the automatic control level of dyeing machine and setting machine has gradually improved in recent years, due to the lack of online measurement and control of key process parameters, it is unable to effectively control the fabric quality indicators online, and the degree of intelligence still needs to be improved. Based on the transformation of printing and dyeing factories' demand for intelligent and digital equipment, Hongda Wisdom has carried out systematic industrial innovation in recent years, launched a series of high-performance process testing equipment, and helped printing and dyeing enterprises optimize process flow, improve product quality, and achieve cost reduction and efficiency increase.

　　 Carhartt Asia Textile Supply Chain Manager Jin Yin Make a special report on "tooling fabric development and quality requirements". He pointed out that the main goal of fabric development is product upgrading and category innovation, and the demands of tooling on fabrics include: lightweight, functional, durable, aesthetic, easy to manage and sustainable. In order to ensure better quality of fabrics, first, strict pre production quality management should be carried out to find and solve potential quality problems before fabric production; The second is to ensure the stability of the fabric quality. The friction times of the tooling in the wearing process may be close to or exceed the test data, which requires that the fabric quality should be qualified and have good wear resistance.

　　 Mu Yongqiao, Deputy General Manager of Foshan Jiyan Zhilian Technology Co., Ltd Make a special report on "DeepTEX textile printing and dyeing industry AI future discussion". He pointed out that DeepTEX can be applied to multiple scenarios such as industry knowledge acquisition, product quality management, order tracking analysis, production process recommendation, financial management, etc. At present, technical research products have been fully connected to DeepSeek, and industry/enterprise models such as data consultants, process experts, dyeing and finishing knowledge, fault after-sales, intelligent customer service, and operation analysis have been built. Through the self-developed AI development platform, The deep integration of enterprise business system can cover core scenarios such as production optimization, equipment operation and maintenance, quality control, etc., accurately enable printing and dyeing enterprises, and provide enterprises with full life cycle services from intelligent infrastructure to scenario implementation.

　　 Xu Changhai, Dean of Textile and Garment College of Qingdao University Make a special report on "the diversified demand and realization strategy of high-end sports and outdoor clothing fabrics for dyes". He introduced that high-end sports and outdoor clothing fabrics have high requirements for waterproof and breathability, abrasion resistance, weather resistance, color fastness, environmental protection, etc. In the dyeing process of polyester cotton fabrics, traditional disperse dyes have shortcomings such as pH sensitivity to dye solution, low dyeing fastness, and long dyeing process. The UWA series of high-performance disperse dyes jointly developed by Qingdao University and Penglai Jiaxin have good water fastness It has comparative advantages in terms of water fastness, sweat fastness, high temperature setting resistance, etc. At the same time, it has a wide range of pH values for dyeing, which can be used for one bath one step short process dyeing of polyester and cotton fabrics, with significant energy-saving and emission reduction effects, and can meet the diversified needs of high-end sports and outdoor fabrics for dyes.

The afternoon meeting was held by Liu Tiantao, Deputy Secretary General of China Printing and Dyeing Industry Association host.

　　 Feng Yijun, Product R&D Engineer of Cotton Silicone Oil Research Institute of Textile and Chemical Business Department of Transchem Group The topic of "New Thoughts on the Functionalization of Organosilicon for Textile" was shared. He pointed out that the clothing of contemporary consumers presents a trend of professional functionalization, diversified scenes, and sports stylization. Improving the wearing experience and giving multiple functions has become a new development direction of fabrics, which puts forward new requirements for the fabric printing and dyeing process: the requirements for soft finishing stability are upgraded, the application of additives is transformed to efficient integration, green and environmental protection, and the demand for special performance additives is increasing. He then introduced in detail the preparation scheme of Transfertiliser green bio based silicone oil and the application performance of polyester high adhesion polyester modified silicone oil and silicone oil with improved chlorine fastness, and proposed the wet rubbing synergistic fastness improvement scheme and the synergistic scheme of too soft and high stability in the cylinder, which opened some innovative thinking in the new application of silicone oil.

　　 Xin Binjie, Dean of Textile and Garment College of Shanghai University of Engineering and Technology The topic of "Development, dyeing and finishing technology of healthy and comfortable textile fabrics" was shared. He pointed out that the current consumer demand for healthy and comfortable fabrics is increasing, but the current development of functional fabrics in China is still facing development pain points such as the contradiction between function and comfort, homogenization competition and lack of innovation, cost and environmental pressure. Through material innovation, structural innovation and digital intelligent empowerment, it is the main technical path to develop healthy and comfortable textile fabrics. He introduced in detail the innovative research, development and performance of functional textiles such as antibacterial textiles, super double porous and self-cleaning textiles, flexible wearable textiles, intelligent heat and moisture management textiles, thermochromic textiles, and shared industrial applications such as intelligent dressings, intelligent sensors, oil-water separation membranes, moisture wicking clothing, etc.

　　 Xiao Chenggui, R&D Manager of Guangdong Demi Organic Silicon Co., Ltd The topic was "Innovative Application of Ultra clean Block Silicone Oil in Textile Softening". He first introduced the development process of silicone softener, pointing out that the current fourth generation block silicone oil has the characteristics of diverse hand feel styles, good emulsion stability, permeability, hydrophilicity, shear resistance, repairability, and low yellowing, but it also has problems such as high solvent content and strong smell. He pointed out that the new ultra clean block silicone oil developed by Demei has the core advantages of advanced synthesis technology, odorless and tasteless, high flash point, low ring volume, good stability and compatibility. He introduced the application process and performance of ultra clean block silicone oil series products through detailed cases.

　　 Suzhou Xinhai Shengtian Textile Finishing Co., Ltd./Suzhou Longdexiang Textile Fabric Technology Co., Ltd. AI Zhiran Consultant Yu Kuanliang It was shared under the title of "AI technology enabling green low-carbon fabric dyeing and finishing practice". He introduced in detail the overall architecture of the company's digital intelligent system, which enables low-carbon fabric production through intelligent formula, intelligent central control, intelligent dyeing process, intelligent shaping, collaborative production scheduling, intelligent energy, etc., and analyzed the direct value of the digital intelligent system to the company. He shared the application case of intelligent dyeing process in nylon fabric production, analyzed the focus and application effect of intelligent dyeing process, and pointed out that realizing full process control based on AI technology is the development direction of future digital dyeing plants.

　　 Pan Weicheng, Director of Textile Printing and Dyeing Industry of Hangzhou Meiyi Automation Technology Co., Ltd It was shared under the title of "Intelligent Instrument Helps the Printing and Dyeing Industry to Reduce Costs and Increase Efficiency". He pointed out that intelligent instruments play an important role in helping enterprises improve production efficiency, optimize product quality, reduce energy consumption costs, reduce waste loss, etc. He introduced the application of the company's instruments in the textile, printing and dyeing industry through typical cases such as enterprise water monitoring, steam metering, pH automatic detection, etc. The IFD200 cloud launching artifact developed by the company can be matched with a variety of traditional instruments. It has the characteristics of integrated connection, one scan cloud launching, flexible and adjustable, compact size, worry free transmission, safe and reliable, and can realize real-time control of instrument data.

　　 Shi Daofei, Chief Engineer of Zhejiang Jiaming Dyeing and Finishing Co., Ltd., President of Zhejiang Enterprise Research Institute and Director of Technology Center It was shared under the title of Multi fiber and Multi function Knitted Fabric Short Process Dyeing and Finishing Technology. She introduced that the traditional dyeing process of cationic modified polyester, silk and nylon blended fabrics had technical difficulties such as uneven multi-component fiber coloring, easy coagulation of different dyes in one bath dyeing, poor color reproducibility, poor dyeing permeability and low color fastness. The company's innovative one bath dyeing process had achieved good practical results. Compared with the traditional process, the innovative process performs better in terms of color fastness to water, wet rubbing fastness, pilling resistance and flatness. The production time is shortened by 50%, the consumption of water, electricity and steam is reduced by more than 30%, and the sewage discharge is reduced by 40%.

　　 Lu Jianglong, Product Director of Duoen Biotechnology Co., Ltd It was shared under the title of "A/B/S/F/AF, phenol free, high fastness, environmentally friendly acid fixation scheme". He pointed out that traditional acid color fixatives generally contain formaldehyde, phenol, bisphenol and other components, which pose environmental risks and health risks. With the increasingly stringent environmental protection regulations and requirements of international brand supply chain, environmental friendly acid color fixatives have become a development trend. He introduced in detail the company's two types of high fastness phenol free environmental fixation solutions: AF-450 series for dip rolling or continuous dyeing of webbing and AF-489 series for dyeing. These two types of products have obvious environmental advantages and meet the environmental protection requirements of various regions and organizations and the environmental protection indicators of brand manufacturers. At the same time, the color fixation fastness is improved and the working condition compatibility is good, After treatment, it has little effect on fabric color.

　　 Wang Aiyi, Chief Engineer of Zhejiang Yuexin Technology Co., Ltd The topic of "How to improve the one-time success rate of dyeing of polyester fabrics" was shared. He pointed out that the first time success rate of dyeing is the foundation for the survival of printing and dyeing enterprises, which complements the first time yield of cloth surface. Through standardized management and technical application, the first time success rate of dyeing can be improved. By introducing the dyeing principle of polyester fabric, he deeply analyzed the main factors affecting the dyeing effect of polyester fabric, summarized the production practice experience in detail, and concluded that doing a good job in the inspection and management of grey fabric is the basis for improving the one-time success rate of dyeing, maintaining open width scouring, pre shrinking, predetermined shape, alkali decrement, dyeing The consistency of production processes such as finishing is an important measure to improve the one-time success rate of dyeing.

　　 Wu Dong, Technical Director of Shanghai Annuoqi Group Co., Ltd The topic was "Research on New Dyeing and Finishing Process of Polylactic Acid Fabric and Sharing of Achievements". He first introduced the physical and chemical properties of PLA fiber, and pointed out that PLA fiber is biodegradable under natural conditions, and is an environmentally friendly fiber; Less impurities, simple pretreatment process; It is not resistant to high temperature, and the dyeing temperature is applicable to 100~110 ℃; Acid resistant but alkali resistant, the dyeing pH is usually 4.5~6. Then he introduced the light and medium dark primary colors of PLA fiber dyeing, and analyzed the dyeing performance of PLA fiber with specific cases of customers. At last, he shared the characteristics and dyeing performance of the company's Annokolon NPW series of ecological and environmental friendly disperse dyes.

　　 Gao Zhichao, Chief Engineer of Printing and Dyeing of Joyful Home Textile Co., Ltd It was shared under the title of "Research and Production Practice of Dyeing Process of Polylactic Acid Fabric". He pointed out that the PLA fiber has biodegradability, environmental protection, moisture absorption and conductivity, UV resistance linearity, antibacterial and mildew resistance, combustion safety and other properties, which meet the national development strategy and the needs of brand customers. However, the PLA fiber dyeing process has problems such as uneven dyeing, low color fastness, and fiber damage after dyeing. He analyzed the causes of these problems in detail, and put forward targeted solutions based on practical production experience. He pointed out that low temperature and low damage dyeing technology and intelligent processing technology are the innovative directions of PLA fiber printing and dyeing technology, and the use of PLA fiber characteristics can further expand its application scenarios in clothing and armor, intelligent textiles, medical care and other fields.

　　 Wen Mingjun, Project Director of Pretreatment and Dyeing of Ningbo Runhe High tech Materials Technology Co., Ltd The topic of "Research and Application of" Clean "Long Car Pretreatment Additives" was shared. He pointed out that the conventional sodium silicate or sodium metasilicate in the pretreatment process is easy to produce "silicon scale" on the long car equipment due to the high hardness of water, which affects the fabric feel and product quality. The new generation multifunctional pretreatment auxiliary RH-NB-1932 developed by the company has excellent synergy, which can effectively improve the dispersion coefficient of water-insoluble substances. There is no "silicon scale" in the application process, which can realize the "clean" pretreatment production process. It is especially suitable for the enzyme pile bleaching process, which can greatly shorten the production cycle while ensuring the pretreatment effect, Reduce the COD discharge of wastewater, improve the fabric feel, and improve the economic benefits of enterprises.

　　 Xiao Guangzhi, Senior Printing and Dyeing Engineer of Guangdong Derun Textile Co., Ltd The topic of "Disperse Reactive One bath Printing Process of Polyester/Tencel/Spandex Blended Fabrics" was shared. He pointed out that polyester cotton blended fabric is popular among consumers because of its crisp, smooth, fast drying and durable features, but the structure of polyester and cellulose fibers is different, and the dyeing and finishing process is more complex. He introduced in detail the disperse/reactive one bath printing process of recycled polyester/Tencel/Spandex blended fabric from aspects of grey fabric pretreatment, dye and size selection, key technologies and precautions. In the future, the printing performance can be improved by further optimizing the combination of disperse/reactive dyes, color paste stability, and steaming process.

　　 Liu Ruchu, Chief Engineer of Applied Technology of Jiangsu Demecco Chemical Co., Ltd The topic of One Step Dyeing and Low Urea Printing Process of Polyester/Cotton was shared. He first introduced the application of DPC series reactive dyes developed by the company in the one bath one step dyeing process of polyester and cotton. Compared with the traditional two bath two step process, the production time of this process can be shortened by 35%, the water consumption can be reduced by 44%, the power consumption can be reduced by 52%, and the steam consumption can be reduced by 35%. In addition, the original cleaning and acid neutralization are not required, and the comprehensive cost can be saved by 600-800 yuan/ton. PUF series of low urea dependent reactive dyes have good stability. In the printing process of viscose fabrics, the amount of urea can be reduced by more than 70%, and the effect of reducing ammonia nitrogen emissions of enterprises is remarkable.

This meeting was strongly supported by Jiangsu Xinruibei Biotechnology Co., Ltd., Changzhou Hongda Intelligent Technology Co., Ltd., Foshan Jiyan Zhilian Technology Co., Ltd., and Chuanhua Zhilian Co., Ltd. In addition, Guangdong Demi Fine Chemical Group Co., Ltd., Shanghai Annuoqi Group Co., Ltd., Hangzhou Meiyi Automation Technology Co., Ltd., Duoen Biotechnology Co., Ltd., Ningbo Runhe High tech Materials Technology Co., Ltd., and Jiangsu Demike Chemical Co., Ltd. also provided support for this activity.

(Source: China Printing and Dyeing Industry Association)