The key common technology of the "14th Five-Year Plan" key breakthrough

Key breakthroughs in 30 key common technologies in four categories, including 4 new fiber materials, 11 advanced textile products, 5 green manufacturing, and 10 intelligent manufacturing and advanced equipment.

(1) New fiber materials

1. Efficient flexible preparation technology of chemical fiber: Research on polyamide 6 melt direct spinning, spandex melt spinning and other key technologies, breakthrough polyester efficient ecological catalyst synthesis and industrialization technology, development of new environmental protection and high clean polyester fiber and products.

2. Functional preparation technology of basic fiber: Through copolymerization, blending, composite spinning and other technologies, to further improve the differentiation and functional level, to achieve high quality, efficient production and low cost of fiber. The development of intelligent, high simulation, high conformal, comfortable and easy care, flame retardant, anti-static, anti-ultraviolet, antibacterial, phase change energy storage, photochromic, liquid coloring, biodegradable and other functions of the composite multi-functional chemical fiber. Research and development of PLA, PBS, PBSA, PESA, PHA and other human affinity, biodegradable high performance aliphatic polyester fibers.

3. High-performance fiber integrated preparation technology: Focus on the design, processing and manufacturing integration technology of high-performance fibers and composite materials such as carbon fiber, para-aramid, ultra-high molecular weight polyethylene fiber, polyimide fiber, and break through the bottleneck of material design and application. Research and development of high-performance fiber high-end products and differentiated product key technologies, achieve the industrialization of high-grade carbon fibers such as T1100 and M60J, high quality, differentiated, efficient and environmentally friendly preparation of ultra-high molecular weight polyethylene fiber, large-scale preparation of high-performance para-aramid, serialized high-performance polyimide fiber, high-performance liquid crystal polyaryl ester fiber key technology breakthroughs, Part of high performance inorganic fiber to achieve mass production.

4. Bio-based chemical fiber scale processing technology: Breakthrough in the efficient preparation technology of Lyocell fiber special pulp and solvent, fiber grade 1, 3-propylene glycol, furan dicarboxylic acid, high light pure lactide and other bio-based monomers and raw materials, The key technologies for large-scale production of bio-based chemical fibers such as polylactic acid fiber, Lyocell fiber, bio-based polyamide fiber, poly (propylene terephthalate) fiber, poly (ethylene furan dicarboxylate) fiber, seaweed fiber and chitosan fiber will be studied, and high-quality differentiated products will be developed to strengthen application technology development.

In 2025, the high-efficiency flexible preparation technology of polyester, polyamide and other basic fiber materials will reach the international advanced level; The large-scale preparation technology of high-performance fiber, bio-based chemical fiber and its raw materials has reached the international advanced level, the production capacity of high-performance fiber has reached 240,000 tons, and the production capacity of bio-based chemical fiber has reached 2 million tons.

(2) Advanced textile products

5. Functional textile processing technology: Research and use of new fiber materials, new gauze processing technology, multi-functional finishing technology, etc., to develop products with functions such as warmth, elasticity, antibacterial, moisture-drying, anti-ultraviolet, anti-odor and so on.

6. Processing technology of high-quality natural fiber products: To study the key technologies of raw material treatment, textile, printing and dyeing for industrial sericulture silk and improved cashmere fiber, and establish a high-quality processing and production system; Develop full shape knitting, fine wool high-end warp knitting technology and wool, cashmere anti-pilling, easy machine washable products.

7. Research and development technology of smart textiles: research and development of self-powered and energy storage textile fibers and products that can be worn by electronic devices, intelligent textiles that can sense human body and environmental signals, flexible integration, packaging, molding technology and evaluation system of smart textiles.

8. Multi-functional nonwovens processing technology: Speed up breakthroughs in key non-woven processing technologies such as flash, electrostatic spinning and melt-blowing, develop long-term and low-resistance water-electret melt-blowing technology, and study key technologies for efficient large-scale preparation of micro nanofibers and waterproof and permeable nanofibers. High quality melt-blown cloth for face masks, PLA two-component spunmelt nonwovens for medical and health care, spunbond hot air nonwovens, high strength crude deniable polypropylene filament nonwovens and other products have been developed.

9. High-performance medical and health textile processing technology: research on waterproof and breathable, bactericidal and viral killing, reusable medical and health protection materials; Research and development of textile based medical human organ pipe materials, surgical sutures and functional dressings and other high-end medical textile materials and products.