During the "12th Five-Year Plan" period, China's chemical fiber industry has made some achievements in the production of biomass synthetic fiber fabrics, such as polylactic acid and fiber fabrics being industrialized, such as 1,3-propanediol and 1,4-butanediol Alcohol, sugar aldehydes and other monomer materials, polymers and fibers, fabric processing rapid progress. The promising biomass fiber fabric not only meets the trend of low-carbon economy and energy conservation and emission reduction, but also becomes a new growth point for the growth of the industry and a promotion point for future competitiveness. In line with the trend of environmental protection industry growth in recent years, with the growing global shortage of oil resources, the deteriorating ecological environment, the traditional petrochemical technology and product side effects and unsustainability increasingly significant. Wang Huaping, Ph.D. supervisor of Donghua University, said: "Over 90% of the chemical fiber industry in China is based on petroleum. The cost of raw materials accounts for more than 80% of the total production costs, and the import volume accounts for about two thirds of the total demand for chemical fiber raw materials. Has surpassed the smooth development of the industry security warning line, the healthy development of the entire industrial chain brings great investment risk and instability.As the world's largest chemical fiber producer, the development of China's chemical fiber will be more and more More restrictions. "" The development of biomass fiber is the lack of resources to meet the sustainable development of chemical fiber industry needs. "Chen Xiangling Donghua University, said China's global textile products in the production and consumption in a large country, the current total of China's chemical fiber Production has accounted for 60% of the world. China is a country lacking in oil. According to the current industrial plan, if the basic chemical raw materials on which the domestic chemical fiber industry grows depend on the imported crude oil processing to support it in the future, it will be difficult for the development of the industry to get out of the dilemma of being dominated by others and swirling up and down. Abundant biomass resources are the future way of green chemical raw materials, and more and more chemical products can be obtained through biomass resources. The development of biomass fiber is a need for chemical fiber industry to save energy and reduce emissions and develop a low-carbon economy. Due to its size and scope, the textile industry is one of the industries with large greenhouse gas emissions. Chemical fiber manufacturing consumes a large amount of energy and is considered a high-carbon industry and therefore does not meet the needs of sustainable development and a low-carbon economy. In the context of the world's energy crisis and the promotion of a low-carbon economy, active development of biomass fiber fabrics has far-reaching significance for achieving low-carbon economy and energy-saving and emission reduction, providing an infinite opportunity for the chemical fiber industry to nurture emerging industries and give birth to new growth points. Will lead the new trend of development of chemical fiber industry. The new demand emphasizes the difference and the multi-domain crossover merges "The traditional method to realize the differentiated development of textile and chemical fiber products has come to an end, biochemical technology will bring new breakthroughs for product differentiation.Based on the technology, the pursuit of new market demand to meet the high performance, New features and taking into account the new biomass fiber fabrics and their products that are harmonized with the environment are increasingly favored by enterprises and consumers with strong demand.The biomass fiber and biochemical raw materials with biomass engineering technology as the core will lead the development of the chemical fiber industry The trend. "Wang Huaping introduction, the development of biomass materials will mainly focus on several aspects: First, open up raw material resources and the development of new production technologies. Using ionic liquids, low temperature alkali / urea solution and other non-toxic safety, recyclable solvents, melt spinning and other new technology to prepare cellulose fiber fabric; the use of chitin, seaweed and other marine biomass and various proteins as raw materials to produce biomass Regenerated fiber fabric; research using bio-synthesis technology to produce polylactic acid (pla), polybutylene succinate (pbs), polytrimethylene terephthalate (ptt) and other raw materials by using resources such as agricultural products and crop wastes; New material synthetic fiber fabrics. Second, multi-disciplinary cross-integration, the redesign of the material, new disciplines continue to appear point of growth, from the traditional biological disciplines and related physics, chemistry infiltration into materials science, energy science, composite materials science and other fields. By biomimetic or biomimetic design to prepare superior performance of composite materials, give full play to renewable biomass materials, the advantages of biodegradable and give its new functions. Emphasize the innovation of modified principle based on multi-structure design, emphasizing the systematic research of engineering principle oriented to industrialization and the integrated development of the whole technology chain based on application mechanism. Develop new biomass fiber fabrics with special features such as dryness, stain resistance, biocompatibility and flame retardancy. Long-term vision but to rational input achievements, but the lack of original results For our biomass fiber fabric research in the world at what level this problem, China Textile Research Institute, Dr. Zhao Qingzhang said to assess the research level of biomass fiber fabric in China , May wish to list a list of domestic and foreign industrialization and research in the biomass fiber fabric varieties. Typical varieties of industrialized biomass fiber fabrics include lyocell, pla, pbs, seaweed, chitin, and ptt with some biomass characteristics, polyol polyesters, and the like. In the field of biomass fiber, research work with certain market prospects also includes a variety of biological proteins and technologies for producing various polymer monomers from renewable materials. It is not difficult to see that the research on biomass fiber fabric in our country involves almost all aspects and some achievements have been made. However, there is still a gap between our research level and industrialization achievements and developed countries, especially the lack of originality The result. "The development of biomass fiber fabrics should be considered both in terms of resources and environment, and the development of biomass-based fabrics is an inevitable historical development, but this process may take decades until the oil is depleted. For the development prospect, I The most promising area is biomass-based synthetic fiber fabrics. "Looking ahead to the future market prospects and possible social benefits of biomass fiber fabrics, Zhao said that acids, alcohols and amines can be obtained from a variety of biomass in nature. In fact, Biomass as a raw material for the preparation of polymer monomer has made substantial progress, the use of these raw materials can be derived from a variety of products, more importantly, the world already has a very mature polyester, polyamide synthesis technology and equipment . In addition, although viscose fabrics use renewable raw materials, the cost is lower, but there is the problem of environmental pollution. Although the technology of viscose pollution control is improving, it needs innovative technology and substantial investment for thorough treatment. It means that with the continuous improvement of environmental protection requirements, the cost of pollution control will continue to increase. The development trend of the solvent fiber fabric is just the opposite, the biggest obstacle to the development of lyocell fiber fabric is too large pre-investment and high solvent prices. The industrialization of its technology breakthroughs, the expansion of production scale, will significantly reduce project investment and costs. Therefore, lyocell and viscose fabrics also coexist for a long period of time. In the long run, lyocell fiber fabric production will continue to increase, viscose fabric production will continue to decline.
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