Sateri Lyocell Printing and Dyeing Technology Exchange Conference was held
Lyocell fiber, as a new type of fiber raw material, is gradually blooming into its own splendor under the current “double carbon” goal and the environment of green development. In recent years, with its green attributes and excellent properties of both natural fibers and synthetic fibers, it has been promoted and applied in many fields such as textiles and clothing. Among them, the innovative application of lyocell fiber printing and dyeing processing technology is one of the important links in its promotion. It will effectively open up the blocking points between upstream and downstream enterprises and help upgrade the market competitiveness of lyocell textile products.
On September 8, the “Sadely Lyocell Printing and Dyeing Technology Exchange Conference” hosted by the China Printing and Dyeing Industry Association and co-organized by Sateri Group was held on the “Second Held during the 11th International Dyestuff Industry, Organic Pigments, and Textile Chemicals Exhibition. The meeting conducted in-depth discussions and exchanges on the technical difficulties and solutions of lyocell fiber in printing and dyeing processing.
Chen Zhihua, President of China Printing and Dyeing Industry Association, Lin Lin, Vice President and Secretary-General, Liu Tao, Vice President of Sateri Group, Li Xiaoqin, Marketing Director of Lyocell, Fang Kuanjun, Professor of Qingdao University, General Manager of Hangzhou Zhuoda Dyeing and Finishing Co., Ltd. Ye Min, Qian Qinfang, chief engineer of Shenghong Group Co., Ltd., Liu Wenhui, director of Shandong Weiqiao Special Wide Printing and Dyeing Co., Ltd., Pan Yanhua, lyocell marketing manager of Sateri Group, Liu Wentao, director of lyocell technical services, and senior product research and development manager Fu Zhongcheng and other leaders, experts, technology R&D and product development personnel, relevant persons in charge of Sateri Group and representatives of relevant enterprises attended this meeting.
The meeting was chaired by Lin Lin.
In his speech, Chen Zhihua, President of the China Printing and Dyeing Industry Association, first expressed his affirmation of Sateri Group’s high quality development and its contribution to the field of lyocell. He said that as a new type of fiber raw material, lyocell fiber has the unique advantages of being renewable and degradable after waste, as well as having a variety of excellent properties of natural fibers and synthetic fibers. It is widely used in clothing, home textiles, industrial applications, etc. The field has been gradually promoted and applied, but at the same time, there are still some difficulties and problems in the production and application process of Lyocell textile products, which need to be accelerated and solved.
He emphasized that the printing and dyeing industry, as a key link in the textile industry industrial chain, provides important technical support for terminal industries such as clothing, home textiles, and industrial applications. The printing and dyeing industry Quality is an important manifestation of a strong textile country. The innovative research, development, promotion and application of lyocell fiber printing and dyeing processing technology will effectively open up the blocking point between the upstream material end and the downstream application end, and enhance the market competitiveness of lyocell textile products. This meeting was held to focus on the technical difficulties of lyocell fiber printing and dyeing processing, give full play to the advantages of the industrial chain, gather industry knowledge, promote new breakthroughs in lyocell fiber printing and dyeing processing technology, and better promote lyocell fiber printing and dyeing processing technology. The application of Er fiber in the printing and dyeing industry. In the future, the Printing and Dyeing Association will continue to adhere to demand orientation and problem orientation, aim at common key technologies that the industry urgently needs to solve, continue to strengthen basic research, deepen and expand industrial cooperation, cultivate new advantages in industrial competition in the new development stage with a more open attitude, and help the industry to achieve high-end Quality development.
Liu Tao, Vice President of Sateri Group, said in his speech that at present, green and low-carbon has become one of the main themes of the development of the textile industry. As a representative green fiber, its application in this environment is also growing. increasingly widespread. Sateri Group is one of the leaders in the cellulose fiber industry. The Group has always been committed to providing customers with the best protection with excellent product performance. In recent years, the Sateri Group has gradually increased its layout and investment in lyocell projects. It is expected that the annual output of Sateri Group’s lyocell will reach 220,000 tons next year, and will increase by an average of 100,000-150,000 tons per year thereafter. . Therefore, as the production capacity of lyocell fiber is gradually released and the price becomes more affordable, its application in various types of textiles will become more and more extensive.
In the research and development and promotion of lyocell fiber, Sateri Group has always focused on joint development with downstream companies, focused on better implementation of products, and strived to add more supporting references for downstream companies to choose. Looking to the future, Sateri Group is willing to move forward together with downstream companies to make the lyocell market stronger and bigger.
Fu Zhongcheng, Senior Manager of Product R&D at Sateri, spoke on the topic of “Sharing of Lyocell Fiber Production and Application”. Combining the development of the enterprise, he never encountered “Lyocell” and market development opportunities; The basic characteristics and dyeing and finishing of Lyocell fiber; comfortable enjoyment of cotton “Ly”, and the characteristics of Sateri Lyocell fiber to help upgrade the quality of cotton and Lyocell matching were shared. He introduced that in the context of “double carbon”, biodegradable materials have become the new protagonist of fashion, and sustainable fashion has become the direction of the clothing manufacturing industry. He emphasized that lyocell, as a full-process green fiber, will rapidly release industrial scale and market demand in the future, with huge market potential. Starting from the basic characteristics of lyocell fiber, he introduced the development ideas of cotton and lyocell combination to achieve product quality upgrade, and deeply explored the advantages and value points of lyocell. In the future, lyocell will give new vitality to classic cotton. He is also deeply��The fibrillation mechanism of Lyocell fiber was analyzed in a simple way, and solutions such as addition, subtraction, and physical pressing were proposed, and different dyeing and finishing process routes based on these three solutions were introduced in detail. .
Prof. Fang Kuanjun of Qingdao University gave a lecture titled “Prevention and Control Methods of Fibrillation of Lyocell Fiber Textiles and Dyeing and Finishing Processing Technology”. From the structure and properties of lyocell fiber, open-width dyeing and finishing of lyocell fabric Three aspects of processing, rope dyeing and finishing of Lyocell fabric were shared. He introduced that although lyocell fiber belongs to the cellulose fiber category that everyone is familiar with, many people do not have a good grasp of its microstructure. He made a detailed breakdown of the molecular structure, morphological structure, aggregation structure level, crystal structure, mechanical properties, hygroscopicity, and water-holding properties of Lyocell fiber. Later, he explained the open-width dyeing and finishing process of lyocell fabrics starting from the characteristics of continuous dyeing and finishing, fabric pre-treatment, woven fabric dyeing, and the anti-fibrillation effect of resin finishing; starting from rope dyeing and finishing Starting from the characteristics of knitted fabrics, knitted fabric dyeing and finishing process, knitted fabric pre-treatment, knitted fabric dyeing and other key points, the rope dyeing and finishing process of lyocell fabric is explained.
Ying Hao, deputy general manager of Hangzhou Zhuoda Dyeing and Finishing Co., Ltd., took the topic of “Technical Key Points and Difficulties of Lyocell Fiber Dyeing and Processing” and combined with the actual application of the company to discuss Lyocell fiber and its characteristics, dyeing process, and fiber properties- Key points of fibrillation, lyocell printing and dyeing, common quality issues and future trends were shared. He introduced that the most striking feature of the Lyocell dyeing process is the large swelling property. Lyocell will form fibrils through overflow and airflow dyeing. After finishing, a unique peach skin style can be obtained, with a fuller feel and better drape; The finished product dyed by open-width methods such as dyeing and cold pad dyeing has good gloss, smoothness and a cool feeling. Combining the characteristics of lyocell and practical problems in the dyeing process, he pointed out that when lyocell fiber is blended with cotton, linen and other fibers, the color difference problem of the interwoven fibers is more prominent. The dyeing of the same color must be consistent with the two-component fiber dyeing, that is, the color light , consistent color fastness, so carefully screen when using dyes. The wet swelling property of Lyocell fiber makes the cloth hard when wet, and it is easy to produce wrinkles, scratches, stains and other defects due to friction, pressure and folding. The peach skin style produced by fibrillation determines its poor dry and wet rubbing and color fastness.
Liu Wenhui, director of Shandong Weiqiao Special Wide Printing and Dyeing Co., Ltd., shared the “development and process exploration of Lyocell fabrics” based on the actual application of the enterprise. He said that the chemical composition, dyeability and thermal properties of lyocell fiber are similar to cotton, and it has good hygroscopicity, skin-friendlyness, breathability and biodegradability. It has extremely broad application prospects in the three terminal fields of textiles: clothing, home textiles, and industrial use. During the dyeing and finishing process, Lyocell fiber fabrics have good dyeing performance, good pilling resistance and low shrinkage. In response to the characteristics of lyocell and market feedback, Weiqiao Textile will increase the development and process exploration of lyocell fabrics in the future, and carry out sanding and finishing of lyocell fabrics, so that the fabrics have the dual gorgeous texture of silk and wool, and at the same time High count and high density fabrics will also be developed.
As a leading enterprise in the global cellulose fiber industry, Sateri Group has significant advantages in the research and development, production and innovative application of lyocell fiber. In recent years, Sateri Group has focused on solving key technical bottlenecks at the yarn end, fabric end, and dyeing and finishing end of Lyocell. It has collaborated with professional colleges and universities, scientific research institutes, and upstream and downstream enterprises in the textile industry chain to carry out technical research and achieved remarkable innovation results. , highly favored by the market. The successful holding of this conference will surely deepen the pragmatic cooperation between relevant enterprises in the upstream and downstream of the industrial chain, accelerate the advancement of Lyocell technology, and promote the high-quality, green and low-carbon development of the industry.
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