A closer look reveals that at the 17th China International Chemical Fiber Conference, the Chinese chemical fiber industry voice was stronger than ever before and received more attention from the world than ever before. This is not only because China's chemical fiber production has accounted for more than 60% of the world's total output of chemical fiber, but also because this large chemical fiber country has fully entered the five-year era of achieving the goal of a chemical fiber powerhouse. “Transformation and upgrading, green and low-carbon, innovation-driven, and harmonious developmentâ€, behind each term, contains a system of arduous projects.
There is no doubt that this new growth in the industrial sector has been adopted. The development of industrial textiles has become one of the important indicators for measuring the adjustment of the textile industry, upgrading the industry, and enhancing the core competitiveness. It is a new growth pole for the development of the modern textile industry. The chemical fiber industry, which shoulders the supply of industrial textile raw materials, has ushered in new opportunities for development. According to the UN's forecast, by 2050, the processing volume of global textile fibers will reach 253 million tons, of which 170.5 million tons will be used for industrial textiles and 18.53 kg/person-year fiber consumption per capita, accounting for 67.4%.
In 2010, China's industrial textile fiber processing volume reached 8.217 million tons, a year-on-year increase of 13.6%; non-woven fabric processing volume reached 2.795 million tons, an increase of 16%. During the “Twelfth Five-Year Plan†period, by 2015, the proportion of processing textile fibers for industrial textiles will increase to 25% of the total textile processing volume.
Li Lingshen, president of the China Industrial Textiles Industry Association, believes that the four factors promote the rapid development of industrial textiles: First, industrial textiles replace traditional materials to achieve higher functions and benefits; Second, the rapid development of high-tech fiber and manufacturing technology Development; Third, structural adjustment and industrial upgrading of the textile industry, and the use of industrial textiles as a new growth point; Fourth, the continuous expansion of market demand and the continuous expansion of industrial textile applications, has led to the development of the industry, and has attracted more attention. .
Unlike terminal products such as apparel and home textiles, industrial textiles are not final products. End users are located in a wide range of fields such as aerospace, energy, transportation, transportation, and health care. Therefore, the idea of ​​developing industrial textiles and fibers is very different from traditional textile products.
Yao Mu, the academician of the Chinese Academy of Engineering, summed up the experiences and lessons learned in the development of industrial textiles for many years and pointed out that industrial textiles require the compounding of multiple raw materials and multiple technologies. Therefore, the development of final products must be “political, production, academic, research, and useâ€. In combination, under the guidance of the government, textile and chemical fiber units should be willing to act as supporting roles, bringing the relevant agencies and units of end users to the leading position, jointly developing and serving the downstream processes, and forming a complete industrial chain and final product market. He also reminded that industrial textiles have different uses, different conditions of use, different performance requirements, and some requirements are particularly harsh, and many aspects of design work need to be strengthened.
The development of industrial textiles is not only the top priority of the Chinese textile industry, but also the trend of the chemical fiber industry in the world. Li Changyu, secretary general of Korea Chemical Fiber Industry Association, stated that South Korea encourages "win-win" cooperation within the textile industry chain with other related industries, promoting chemical fiber industry and "6T" technology - information technology (IT), biotechnology (BT) , Nanotechnology (NT), Environmental Technology (ET), Space Technology (ST), and Culture Technology (CT) - organic integration of industries, expanding the scope of application of chemical fiber products, creating new market demand points.
Taking the path of circular economy with Chinese characteristics While developing industrial textiles to continue to expand its application and create markets, there must also be countermeasures to the exhaustion of energy and resources. Based on years of exploration and in-depth research, China's chemical fiber industry has established a circular economy development path with Chinese characteristics and will continue to advance further in the “Twelfth Five-Year Planâ€.
Yu Mu-huo, deputy director of the Donghua University Research Institute, pointed out at the meeting that humans have spent a period of about 50 years building a huge oil technology economic system and believe that establishing a biomass technology economic system is only a matter of time. Indeed, the development of renewable, biodegradable fiber materials has become a global consensus. At present, domestic enterprises have made new progress in the technological process of using straw to produce polyols. In contrast, vigorously implementing recycling of waste polyester and textiles and other resources has more Chinese characteristics. At present, other countries have paid less attention to recycled chemical fiber than China. Even countries with the most advanced renewable technologies such as Japan have lost the momentum for continuous development due to the limitation of scale and economic efficiency. Related technologies have not been used in large scale domestically. Instead, transfer technology to other countries. At this session, Teijin Corporation of Japan passed several forums to demonstrate its willingness to transfer technology to China and continue to develop the Chinese market.
In the past decade, the chemical fiber industry has actively promoted the development of circular economy. The scale of recycling economy with the recycling of used polyester as the mainstay has grown rapidly, and the level of technological products has continuously improved. The large-scale production of related products has largely replaced the original products, which has effectively alleviated the contradiction in the serious shortage of China’s oil resources. By the end of 2010, the annual production capacity of recycled polyester fiber in China was more than 6 million tons, and the actual output was nearly 4 million tons, accounting for about 80% of the world's total production. China has become the largest producer of recycled polyester fibers.
Although the chemical fiber industry has made great achievements in the recycling economy, the future development is still facing a severe situation. The grade of recycled products based on used polyester as raw materials needs to be improved, and the recycling of textile fabrics and clothing is limited by technology and other factors, and it has not yet been able to effectively develop.
During the “Twelfth Five-Year Plan†period, the industry will vigorously promote the recycling of resources, encourage and standardize the reuse of the fiber industry, and focus on strengthening the integration and upgrading of recycling technologies, products, and complete sets of equipment such as waste polyester, waste silk, and waste chemical fiber products. And promote the use of. Organize the formulation of circular economy development plans and technology roadmaps for the recycling and reuse of textile products, and promote the industrialization of chemical fibers, especially pure polyester fabrics and garment recycling technologies. Guide social green consumption. The chemical fiber industry will gradually establish a circular economy development model during the “12th Five-Year Plan†period. By 2015, the recycling scale of waste polyester products, chemical fiber fabrics, and apparel will reach 7 million tons. The application of recycled bottle tablets in high-end products, the recycling of used textiles and garments, and the development and utilization of renewable and biodegradable biomass fibers and their raw materials are the focus of recycling in the chemical fiber industry in the next five years. In addition, the level of clean production and comprehensive utilization of resources in the industry will further increase.
Let the quality and cheap products create the market With the development of the society and the progress of the industry, the concept of consumption is also changing, and the development of the chemical fiber industry must follow these changes to make adjustments.
Dr. Chen Jinlai, representative of Taiwan Textile Industry Development Association, found through analysis that quality and cheap textiles are increasingly needed by consumers. He believes that the reason for this trend is that the United States Wal-Mart, Japan Uniqlo, and European H&M, Zara and other large-scale department stores and chain stores caused low-cost trends, so that consumers tend to buy high-quality, low-priced products; Second, The global financial crisis has caused increased competition for low-priced products. Third, electronic information and communication products have caused crowding. Consumers use their income to purchase electronic products such as iphones, thereby reducing the amount of textile and apparel consumption. At present, textiles with waterproof, breathable, moisture-absorbing, quick-drying, anti-bacterial, odor-resistant and anti-ultraviolet functions are favored more. However, the premise of large-scale application of functional textiles is high quality and low price.
Similarly, high-performance fibers with high technology content and large capital investment also need to reduce costs, improve performance, and expand applications as technological equipment advances. Shi Lan, senior engineer at the Institute of Military Equipment Research, General Logistics Department, demonstrated this through the current status of flame-retardant fibers.
Shi Yong pointed out that the current flame-retardant fiber has not been widely used at home and abroad, the main reason is the lack of high-performance, low-priced products. For example, fibers with high performance, intrinsic flame retardant are expensive and have poor dyeing properties, and the liquid coloring fibers are more expensive and have poor adaptability. They have poor hand-feeling; general properties of flame-retardant fibers are low in strength, smoke is large and even toxic, dimensional stability is poor, and spinnability is poor. ; And flame-retardant polyester, nylon and other hot-melt fibers have the phenomenon of droplets, can not be used for clothing. Among the many flame-retardant fiber varieties, the selection of polyarene oxadiazole fiber (PDO) is an important reason that it has a cost advantage: the raw material is a conventional industrial product, the technology is mature, the price is relatively low, and the source is extensive; the polymerization process is relatively Short, less production equipment, no special equipment and processes; spinning process is relatively simple, solvents can be recycled or used for other industrial production. However, to date only Russia has been able to produce OXALON, a similar structure, in small quantities in foreign countries. In China, there are only similar reports on POD centrifugal spinning and polyester blended research and development of insulating paper.
High-strength and high-modulus polyethylene fibers can be called the most mature varieties of domestic high-performance fibers, but they are still facing the bottleneck of expanding their applications. Guo Zixian, chairman of Jiangsu Shentai Technology Co., Ltd., pointed out that the main factor restricting the expansion of its application and industrial upgrading is the high cost of fiber production. Shentai Technology has been working hard to improve fiber performance and reduce overall costs from decades to now and has achieved initial results. According to statistics from related departments, the current domestic demand for ultra-high molecular weight polyethylene fibers is over 6,000 tons. China's ultra high molecular weight polyethylene fibers can meet the annual output of exports and domestic high-end application market of more than 3,000 tons, if it can continuously improve Products can not only replace imports, but also export foreign exchange.
The current international conference held in the opening year of the “12th Five-Year Plan†not only made the world more aware of the development path of China's chemical fiber industry, but also made the Chinese chemical fiber industry more and more aware of what it shouldered. China's chemical fiber industry will continue along the road of sustainable development and will unswervingly march toward a powerful chemical fiber country.
There is no doubt that this new growth in the industrial sector has been adopted. The development of industrial textiles has become one of the important indicators for measuring the adjustment of the textile industry, upgrading the industry, and enhancing the core competitiveness. It is a new growth pole for the development of the modern textile industry. The chemical fiber industry, which shoulders the supply of industrial textile raw materials, has ushered in new opportunities for development. According to the UN's forecast, by 2050, the processing volume of global textile fibers will reach 253 million tons, of which 170.5 million tons will be used for industrial textiles and 18.53 kg/person-year fiber consumption per capita, accounting for 67.4%.
In 2010, China's industrial textile fiber processing volume reached 8.217 million tons, a year-on-year increase of 13.6%; non-woven fabric processing volume reached 2.795 million tons, an increase of 16%. During the “Twelfth Five-Year Plan†period, by 2015, the proportion of processing textile fibers for industrial textiles will increase to 25% of the total textile processing volume.
Li Lingshen, president of the China Industrial Textiles Industry Association, believes that the four factors promote the rapid development of industrial textiles: First, industrial textiles replace traditional materials to achieve higher functions and benefits; Second, the rapid development of high-tech fiber and manufacturing technology Development; Third, structural adjustment and industrial upgrading of the textile industry, and the use of industrial textiles as a new growth point; Fourth, the continuous expansion of market demand and the continuous expansion of industrial textile applications, has led to the development of the industry, and has attracted more attention. .
Unlike terminal products such as apparel and home textiles, industrial textiles are not final products. End users are located in a wide range of fields such as aerospace, energy, transportation, transportation, and health care. Therefore, the idea of ​​developing industrial textiles and fibers is very different from traditional textile products.
Yao Mu, the academician of the Chinese Academy of Engineering, summed up the experiences and lessons learned in the development of industrial textiles for many years and pointed out that industrial textiles require the compounding of multiple raw materials and multiple technologies. Therefore, the development of final products must be “political, production, academic, research, and useâ€. In combination, under the guidance of the government, textile and chemical fiber units should be willing to act as supporting roles, bringing the relevant agencies and units of end users to the leading position, jointly developing and serving the downstream processes, and forming a complete industrial chain and final product market. He also reminded that industrial textiles have different uses, different conditions of use, different performance requirements, and some requirements are particularly harsh, and many aspects of design work need to be strengthened.
The development of industrial textiles is not only the top priority of the Chinese textile industry, but also the trend of the chemical fiber industry in the world. Li Changyu, secretary general of Korea Chemical Fiber Industry Association, stated that South Korea encourages "win-win" cooperation within the textile industry chain with other related industries, promoting chemical fiber industry and "6T" technology - information technology (IT), biotechnology (BT) , Nanotechnology (NT), Environmental Technology (ET), Space Technology (ST), and Culture Technology (CT) - organic integration of industries, expanding the scope of application of chemical fiber products, creating new market demand points.
Taking the path of circular economy with Chinese characteristics While developing industrial textiles to continue to expand its application and create markets, there must also be countermeasures to the exhaustion of energy and resources. Based on years of exploration and in-depth research, China's chemical fiber industry has established a circular economy development path with Chinese characteristics and will continue to advance further in the “Twelfth Five-Year Planâ€.
Yu Mu-huo, deputy director of the Donghua University Research Institute, pointed out at the meeting that humans have spent a period of about 50 years building a huge oil technology economic system and believe that establishing a biomass technology economic system is only a matter of time. Indeed, the development of renewable, biodegradable fiber materials has become a global consensus. At present, domestic enterprises have made new progress in the technological process of using straw to produce polyols. In contrast, vigorously implementing recycling of waste polyester and textiles and other resources has more Chinese characteristics. At present, other countries have paid less attention to recycled chemical fiber than China. Even countries with the most advanced renewable technologies such as Japan have lost the momentum for continuous development due to the limitation of scale and economic efficiency. Related technologies have not been used in large scale domestically. Instead, transfer technology to other countries. At this session, Teijin Corporation of Japan passed several forums to demonstrate its willingness to transfer technology to China and continue to develop the Chinese market.
In the past decade, the chemical fiber industry has actively promoted the development of circular economy. The scale of recycling economy with the recycling of used polyester as the mainstay has grown rapidly, and the level of technological products has continuously improved. The large-scale production of related products has largely replaced the original products, which has effectively alleviated the contradiction in the serious shortage of China’s oil resources. By the end of 2010, the annual production capacity of recycled polyester fiber in China was more than 6 million tons, and the actual output was nearly 4 million tons, accounting for about 80% of the world's total production. China has become the largest producer of recycled polyester fibers.
Although the chemical fiber industry has made great achievements in the recycling economy, the future development is still facing a severe situation. The grade of recycled products based on used polyester as raw materials needs to be improved, and the recycling of textile fabrics and clothing is limited by technology and other factors, and it has not yet been able to effectively develop.
During the “Twelfth Five-Year Plan†period, the industry will vigorously promote the recycling of resources, encourage and standardize the reuse of the fiber industry, and focus on strengthening the integration and upgrading of recycling technologies, products, and complete sets of equipment such as waste polyester, waste silk, and waste chemical fiber products. And promote the use of. Organize the formulation of circular economy development plans and technology roadmaps for the recycling and reuse of textile products, and promote the industrialization of chemical fibers, especially pure polyester fabrics and garment recycling technologies. Guide social green consumption. The chemical fiber industry will gradually establish a circular economy development model during the “12th Five-Year Plan†period. By 2015, the recycling scale of waste polyester products, chemical fiber fabrics, and apparel will reach 7 million tons. The application of recycled bottle tablets in high-end products, the recycling of used textiles and garments, and the development and utilization of renewable and biodegradable biomass fibers and their raw materials are the focus of recycling in the chemical fiber industry in the next five years. In addition, the level of clean production and comprehensive utilization of resources in the industry will further increase.
Let the quality and cheap products create the market With the development of the society and the progress of the industry, the concept of consumption is also changing, and the development of the chemical fiber industry must follow these changes to make adjustments.
Dr. Chen Jinlai, representative of Taiwan Textile Industry Development Association, found through analysis that quality and cheap textiles are increasingly needed by consumers. He believes that the reason for this trend is that the United States Wal-Mart, Japan Uniqlo, and European H&M, Zara and other large-scale department stores and chain stores caused low-cost trends, so that consumers tend to buy high-quality, low-priced products; Second, The global financial crisis has caused increased competition for low-priced products. Third, electronic information and communication products have caused crowding. Consumers use their income to purchase electronic products such as iphones, thereby reducing the amount of textile and apparel consumption. At present, textiles with waterproof, breathable, moisture-absorbing, quick-drying, anti-bacterial, odor-resistant and anti-ultraviolet functions are favored more. However, the premise of large-scale application of functional textiles is high quality and low price.
Similarly, high-performance fibers with high technology content and large capital investment also need to reduce costs, improve performance, and expand applications as technological equipment advances. Shi Lan, senior engineer at the Institute of Military Equipment Research, General Logistics Department, demonstrated this through the current status of flame-retardant fibers.
Shi Yong pointed out that the current flame-retardant fiber has not been widely used at home and abroad, the main reason is the lack of high-performance, low-priced products. For example, fibers with high performance, intrinsic flame retardant are expensive and have poor dyeing properties, and the liquid coloring fibers are more expensive and have poor adaptability. They have poor hand-feeling; general properties of flame-retardant fibers are low in strength, smoke is large and even toxic, dimensional stability is poor, and spinnability is poor. ; And flame-retardant polyester, nylon and other hot-melt fibers have the phenomenon of droplets, can not be used for clothing. Among the many flame-retardant fiber varieties, the selection of polyarene oxadiazole fiber (PDO) is an important reason that it has a cost advantage: the raw material is a conventional industrial product, the technology is mature, the price is relatively low, and the source is extensive; the polymerization process is relatively Short, less production equipment, no special equipment and processes; spinning process is relatively simple, solvents can be recycled or used for other industrial production. However, to date only Russia has been able to produce OXALON, a similar structure, in small quantities in foreign countries. In China, there are only similar reports on POD centrifugal spinning and polyester blended research and development of insulating paper.
High-strength and high-modulus polyethylene fibers can be called the most mature varieties of domestic high-performance fibers, but they are still facing the bottleneck of expanding their applications. Guo Zixian, chairman of Jiangsu Shentai Technology Co., Ltd., pointed out that the main factor restricting the expansion of its application and industrial upgrading is the high cost of fiber production. Shentai Technology has been working hard to improve fiber performance and reduce overall costs from decades to now and has achieved initial results. According to statistics from related departments, the current domestic demand for ultra-high molecular weight polyethylene fibers is over 6,000 tons. China's ultra high molecular weight polyethylene fibers can meet the annual output of exports and domestic high-end application market of more than 3,000 tons, if it can continuously improve Products can not only replace imports, but also export foreign exchange.
The current international conference held in the opening year of the “12th Five-Year Plan†not only made the world more aware of the development path of China's chemical fiber industry, but also made the Chinese chemical fiber industry more and more aware of what it shouldered. China's chemical fiber industry will continue along the road of sustainable development and will unswervingly march toward a powerful chemical fiber country.
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