At present, the increasing scarcity of global oil resources has become a serious problem that restricts the development of the chemical fiber industry. In order to meet market demand, there must be corresponding alternative resources to meet the needs of production development and consumption growth. Therefore, the economical nature of renewable, degradable new raw materials that can replace petroleum is increasingly apparent. At the same time, the demand for energy conservation, emission reduction, and environmental protection also encourages the chemical fiber industry to pay more attention to environmental protection and reduce energy consumption. The development of green biomass fibers and materials centered on biomass engineering technology has become a new trend leading the development of the chemical fiber industry.
Grasping the Opportunity, Rapid Development of Bio-recycled Fiber
With the improvement of people's living standards, consumer demand for textiles is not only simple and warm, so simple, environmental protection, functionality and other properties of the textile and apparel gradually favored by consumers. Biomass fiber, represented by cellulose, has won unprecedented opportunities for development due to its excellent properties such as moisture absorption, air permeability, comfort and abundant resources.
At present, many kinds of fibers have been developed using renewable resources at home and abroad. The most mature and most used technologies are regenerated cellulose fibers, including viscose fibers, high-modulus viscose fibers, Lyocell fibers, acetate fibers, and copper. Ammonia fiber and so on.
Viscose fiber is the main species of regenerated cellulose fiber. In 2009, China's production capacity has reached 1,907,200 tons, and its technical level and engineering are at the advanced level in the world. Due to long viscose fiber production process, "three wastes" pollution, aging of the original equipment, and higher production costs and other reasons, Western developed countries and South Korea and Japan have gradually stopped the production of viscose fiber. At present, the growth of viscose fiber production capacity in the world is mainly concentrated in China.
In China, talking about biomass fibers cannot but mention bamboo fiber and hemp fiber. Regenerated fiber produced from bamboo pulp and flax pulp is a kind of regenerated cellulose fiber that has been successfully developed by our country in recent years. At present, many companies such as Jilin Chemical Fiber Co., Ltd., Hebei Jixi Chemical Fiber Co., Ltd., Shandong Hailong Co., Ltd., and the General Logistics Department of the People's Liberation Army General Armament Equipment Research Institute are researching and developing these products.
The appearance of high-moisture modulus viscose fiber overcomes the shortcomings of low wet and strong wet modulus and poor dimensional stability of ordinary viscose fibers. At present, China's Dandong Chemical Fiber Group has officially realized the localization of high-modulus fiber, and introduced Lisai fiber. Shandong Hailong Co., Ltd. newly introduced Newdale fiber is also an advanced high-modulus fiber.
Although the dual pressures of environment and cost have severely hindered the development of viscose fibers, the subsequent appearance of environmentally friendly non-viscous cellulose fibers such as Lyocell fibers and Novel fibers has attracted the attention of experts both at home and abroad. At present, the annual production of Lyocell fiber in the world is over 120,000 tons, of which Lenzing is the most important producer. Due to the strong demand, Lenzing has announced that its factory in Austria will expand its production capacity by 25%. At present, its global production capacity of Lyocell fiber has reached 130,000 tons/year. South Korea, Japan, and Russia also have pilot lines for the production of small batches of Lyocell fiber. Many units in China have conducted relevant research and development of Lyocell fiber.
Breakthrough Key Technologies Bio-based Synthetic Fibers Have Broad Prospects
The biomass synthetic fibers mainly include PTT fibers, PLA fibers, PHA series fibers, and PBS series fibers.
China Haitian Textile, Xiamen Xianglu, Fangyuan Chemical Fiber, Jiangsu Zhongyu Technology Development Co., Ltd. and Shanghai Guoxiang Textile Technology Co., Ltd., which are under the banner of Shenghong, are also developing and manufacturing PTT fibers using Sorona as raw materials. Among them, Shenghong’s Jiangsu Zhongyi Technology Development Co., Ltd. has trial-produced PTT memory fibers and microfibers, and has started to build a second-phase project of 100,000 tons/year PTT spinning project.
PLA fiber is a new kind of environmental protection fiber and has broad application prospects. Luo Wende, chief engineer of the China Textile Industry Design Institute, predicts that PLA fiber will only replace the 5% market share of PET and PS fibers, and its demand will be greater than 1.2 million tons/year, and as production capacity increases, prices will decline. At present, China's Donghua University, South China University of Technology, Shanghai Huayuan, Yizheng Chemical Fiber and others are also further studying the development of PLA fibers. It is reported that Changshu Changjiang Chemical Fiber Co., Ltd. has successfully developed a new one-step spinning process for polylactic acid, and the 1,000-ton-ton fiber-grade polylactic acid industrialization project in cooperation with China Textile Industry Design and Research Institute and Jiangsu Desai Chemical Fiber Co., Ltd. has also passed. Development and Reform Commission review.
The difficulty in fiber processing of polyhydroxyalkanoates (PHA) is that PHA is brittle, has poor mechanical properties, and has a narrow processing temperature range. If it can break through the key technologies of spinning processing, it will have cost control, dyeing performance, etc. The greater improvement is the fiber species that will most likely compete with current polyester fibers in the future.
As for polybutylene succinate (PBS), Japan Showa Polymer Co., Ltd. and Eastman USA Co., Ltd. have achieved industrial production, and their production capacities are 5,000 tons/year and 15,000 tons/year respectively. Nankai University, Tsinghua University and the Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, etc., have carried out R&D on PBS and achieved certain results.
Grasping the Opportunity, Rapid Development of Bio-recycled Fiber
With the improvement of people's living standards, consumer demand for textiles is not only simple and warm, so simple, environmental protection, functionality and other properties of the textile and apparel gradually favored by consumers. Biomass fiber, represented by cellulose, has won unprecedented opportunities for development due to its excellent properties such as moisture absorption, air permeability, comfort and abundant resources.
At present, many kinds of fibers have been developed using renewable resources at home and abroad. The most mature and most used technologies are regenerated cellulose fibers, including viscose fibers, high-modulus viscose fibers, Lyocell fibers, acetate fibers, and copper. Ammonia fiber and so on.
Viscose fiber is the main species of regenerated cellulose fiber. In 2009, China's production capacity has reached 1,907,200 tons, and its technical level and engineering are at the advanced level in the world. Due to long viscose fiber production process, "three wastes" pollution, aging of the original equipment, and higher production costs and other reasons, Western developed countries and South Korea and Japan have gradually stopped the production of viscose fiber. At present, the growth of viscose fiber production capacity in the world is mainly concentrated in China.
In China, talking about biomass fibers cannot but mention bamboo fiber and hemp fiber. Regenerated fiber produced from bamboo pulp and flax pulp is a kind of regenerated cellulose fiber that has been successfully developed by our country in recent years. At present, many companies such as Jilin Chemical Fiber Co., Ltd., Hebei Jixi Chemical Fiber Co., Ltd., Shandong Hailong Co., Ltd., and the General Logistics Department of the People's Liberation Army General Armament Equipment Research Institute are researching and developing these products.
The appearance of high-moisture modulus viscose fiber overcomes the shortcomings of low wet and strong wet modulus and poor dimensional stability of ordinary viscose fibers. At present, China's Dandong Chemical Fiber Group has officially realized the localization of high-modulus fiber, and introduced Lisai fiber. Shandong Hailong Co., Ltd. newly introduced Newdale fiber is also an advanced high-modulus fiber.
Although the dual pressures of environment and cost have severely hindered the development of viscose fibers, the subsequent appearance of environmentally friendly non-viscous cellulose fibers such as Lyocell fibers and Novel fibers has attracted the attention of experts both at home and abroad. At present, the annual production of Lyocell fiber in the world is over 120,000 tons, of which Lenzing is the most important producer. Due to the strong demand, Lenzing has announced that its factory in Austria will expand its production capacity by 25%. At present, its global production capacity of Lyocell fiber has reached 130,000 tons/year. South Korea, Japan, and Russia also have pilot lines for the production of small batches of Lyocell fiber. Many units in China have conducted relevant research and development of Lyocell fiber.
Breakthrough Key Technologies Bio-based Synthetic Fibers Have Broad Prospects
The biomass synthetic fibers mainly include PTT fibers, PLA fibers, PHA series fibers, and PBS series fibers.
China Haitian Textile, Xiamen Xianglu, Fangyuan Chemical Fiber, Jiangsu Zhongyu Technology Development Co., Ltd. and Shanghai Guoxiang Textile Technology Co., Ltd., which are under the banner of Shenghong, are also developing and manufacturing PTT fibers using Sorona as raw materials. Among them, Shenghong’s Jiangsu Zhongyi Technology Development Co., Ltd. has trial-produced PTT memory fibers and microfibers, and has started to build a second-phase project of 100,000 tons/year PTT spinning project.
PLA fiber is a new kind of environmental protection fiber and has broad application prospects. Luo Wende, chief engineer of the China Textile Industry Design Institute, predicts that PLA fiber will only replace the 5% market share of PET and PS fibers, and its demand will be greater than 1.2 million tons/year, and as production capacity increases, prices will decline. At present, China's Donghua University, South China University of Technology, Shanghai Huayuan, Yizheng Chemical Fiber and others are also further studying the development of PLA fibers. It is reported that Changshu Changjiang Chemical Fiber Co., Ltd. has successfully developed a new one-step spinning process for polylactic acid, and the 1,000-ton-ton fiber-grade polylactic acid industrialization project in cooperation with China Textile Industry Design and Research Institute and Jiangsu Desai Chemical Fiber Co., Ltd. has also passed. Development and Reform Commission review.
The difficulty in fiber processing of polyhydroxyalkanoates (PHA) is that PHA is brittle, has poor mechanical properties, and has a narrow processing temperature range. If it can break through the key technologies of spinning processing, it will have cost control, dyeing performance, etc. The greater improvement is the fiber species that will most likely compete with current polyester fibers in the future.
As for polybutylene succinate (PBS), Japan Showa Polymer Co., Ltd. and Eastman USA Co., Ltd. have achieved industrial production, and their production capacities are 5,000 tons/year and 15,000 tons/year respectively. Nankai University, Tsinghua University and the Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, etc., have carried out R&D on PBS and achieved certain results.
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