Industrialization and Applied Technology
01 Industrialization and Application Technology of Lead-free Environmentally Friendly Polyester Fibers
EnvironmentallyFriendly Antimony-free Polyester Fiber Industrialization and Application Technologies
A new type of green, environmentally friendly, water-resistant, highly active and stable titanium-based catalyst is used to replace traditional antimony-based catalysts, achieving continuous polymerization and flexible direct spinning of eco-friendly polyester fibers, which have been applied and promoted in various fields such as clothing, home textiles, and medical materials.
Core Technology
Overcome the key technology of compounding titanium-based catalysts with high resistance to hydrolysis;
By optimizing the synthesis method and dosage of the catalyst, the study investigates the adaptability of the environmentally friendly catalyst without antimony in different polymerization processes of polyester, including three-reactor, four-reactor, and five-reactor processes. The study establishes the micro-modification and multi-chamber return flow high-efficiency esterification technology and the five-reactor low-temperature continuous polymerization technology to achieve the efficient and stable catalytic effect of polyester esterification and condensation.
Optimize the technology of melting body pipeline transportation, establish a low-viscosity reduction, high-quality, non-antimony polyester melt transportation and high-stretch spinning and forming industrialization technology, develop non-antimony eco-friendly polyester FDY, POY, and DTY fibers;
Establish quality standards for environmentally friendly PET fibers without antimony, and establish a technical standard system for polymerization and spinning processes using titanium-based catalysts; establish demonstration projects for the application of environmentally friendly PET fibers without antimony.The content of technology transfer
● Provide analysis, evaluation and characterization of antimony-free environmental protection catalysts;
● Provide antimony-free environmentally friendly catalyst addition technology and polymerization process optimization;
● Provide antimony-free environmental protection catalyst polymerization and flexible direct spinning production line industrialization engineering solutions;
● Provide antimony-free environmentally friendly polyester fiber and its products for environmental protection characteristics testing and evaluation;
● Provide antimony-free and environmentally friendly polyester fiber application guidance.
Suitable for spinning fibers and application fields
● Suitable for spinning, antimony-free, environmentally friendly polyester, FDY, POY, DTY fiber, etc.
● Fibers are used in environmentally friendly skin-friendly clothing fabrics, shoe materials, home textile decoration materials, bedding, carpets, automotive interiors, and other industrial products.
02 Industrialization and application technology of long-term environmental protection flame retardant fiber
Long-lasting and Environmentally Friendly Flame-retardant Fiber Industrialization and Application Technologies
Through the research and development of new phosphorus copolymer flame retardant polyester and flame retardant polyamide synthesis technology, we have overcome the complete set of industrial technology of long-term environmentally friendly flame retardant polyester fiber and products, and realized the industrialization of flame retardant polyester, flame retardant polylactic acid and flame retardant polyamide fiber, which has been applied and promoted in the fields of protective tooling, home textiles, and automotive interiors.
Core technology
The in-situ polymerization technology is used to solve the problems of structural design and preparation of high-efficiency multi-element flame retardant, high dispersion and easy migration of flame retardant, and synergy between flame retardant and smoke suppression, so as to realize the industrialization of high-efficiency flame retardant and melt-resistant droplet polyester continuous polymerization and direct spinning.
Develop efficient and simple flame retardant masterbatch adding technology, study key technologies for industrialization such as copolymer/blend spinning and surface grafting, and prepare new long-term flame retardant and melt-resistant droplet polyester fibers and flame retardant polyamide fibers;
Realize the industrial preparation of high-quality flame retardant fibers with flame retardant, melt drop resistance, washing resistance and good dyeing performance, and realize the industrial production of serialized and cost-effective flame retardant textiles;
The detection and evaluation technology of flame retardant droplet polyester fiber and flame retardant polyamide fiber was constructed.
Achievement transformation content
● Provide efficient and environmentally friendly flame retardant polymerization process design;
● Provide long-term flame retardant and drop-resistant polyester fiber continuous polymerization and flexible direct spinning industrialization solutions;
● Provide industrialization solutions for the preparation of new long-lasting flame retardant and melt-resistant droplet polyester fibers and flame retardant polyamide fibers by adding flame-retardant functional masterbatches;
● Provide integrated industrial chain development and application system for flame retardant fibers and products;
● Provide flame retardant droplet polyester fiber and flame retardant polyamide fiber detection and evaluation technology.
Suitable for spinning fibers and application fields
● Suitable for spinning, long-term flame retardant and melt-resistant droplet polyester fiber, flame retardant polyamide fiber, etc.
● Fibers are suitable for flame-retardant textiles in public places (flame-retardant curtains, tablecloths, bedding, carpets, etc.), functional flame-retardant protective clothing, flame-retardant textiles for transportation (automobiles, ships, aircraft, etc.), and flame-retardant products for military industry.
03 Industrialization and application technology of high-efficiency flexible polyamide fiber
High-efficienctFlexible Polyamide Fiber Industrialization and Application Technologies
On the basis of the traditional polyamide 6 polymerization device, through the transformation of process equipment such as ring opening and polycondensation, a flexible polymerization scheme is designed in the ring opening part to realize the industrialization of stable and efficient flexible polyamide fibers, and a series of products such as coolness, elasticity, flame retardant and cationic dyeable have been developed.
Core technology
On the basis of the traditional polyamide 6 polymerization device, through the transformation of process equipment such as ring opening and polycondensation, the polymerization technical problems are solved, and technical support is provided for the flexible spinning of polyamide.
In the open-loop part, the micro-copolymerization modification and in-situ polymerization modification scheme are designed, and differentiated and functional spinning technology is developed to realize the industrialization of flexible polyamide fibers, and to achieve the purpose of energy saving, emission reduction and production efficiency.
Achievement transformation content
● Provide high-efficiency flexible polyamide fiber industrialization plan;
● Provide modular equipment design and simulation process design;
● Provide differentiated and functional polyamide fiber industrialization technologies such as special-shaped, fine-denier, shrinkage, and strength synergistic regulation.
Suitable for spinning fibers and application fields
● Suitable for spinning high-quality, differentiated, functional polyamide fibers.
● Fiber is suitable for sportswear, casual clothing, high-end dresses, home textile products, bags, carpets, industrial products, etc.
04 Industrialization and application technology of nanofibers
Nanofibers Industrialization and Application Technologies
Melting and solution electrospinning, gas spinning and other preparation technologies are used to solve technical problems such as spinning liquid propulsion, electrospinning/gas spinning, solvent recovery, etc., and equipment module research and development and technology integration are carried out to realize the industrialization of nanofibers.
Core technology
By studying the molding mechanism of nanofibers, the influencing factors of microstructure regulation, and the interference and solidification mechanism of jet group in the process of fiber preparation, a complete set of industrialization technologies and equipment for nanofiber material structure design, efficient forming, and solvent recovery were developed.
Through the modification of the drug substance, the industrialization technology of high-quality, differentiated and functional nanofibers is developed.
Achievement transformation content
● According to different spinning raw materials and fiber application fields, provide special nanofiber industrialization equipment and integration solutions;
● Provide modular electrospinning - functional additional equipment;
● Provide functional nanofiber industrialization technology;
● Provide guidance on the application of nanofibers;
● Provide nanofiber performance testing and evaluation technology.
Suitable for spinning fibers and application fields
● Suitable for spinning nanofibers made of PP, PA6, PLA, PAN, PI, TPU, regenerated cellulose, etc., to prepare waterproof and breathable surfaces, air filter materials, medical nanofiber membrane dressings, high-efficiency and low-resistance protective masks, protective isolation clothing, functional yarns, etc.;
● Suitable for aerospace, energy, environmental protection, biology, medical and other fields.
05 Bio-based synthetic polyester (PLA, PTT, PTST, PTAT) fiber industrialization and application technology
Bio-based Polyester Fiber (PLA, PTT, PTST, PTAT) Industrialization and Application Technologies
Through the design and development of bio-based polyester monomers, we will overcome the preparation technology of new bio-fermented monomers, study the polymerization modification process and fiber forming process, break through the key technology of bio-based synthetic polyester fiber preparation, and realize industrialization and application.
Core technology
Research on bio-based polyester (PLA, PTT, PTST) synthesis technology, fiber forming technology, and develop complete sets of technology and equipment for the stable preparation of fiber industrialization;
Construct the relationship between functional monomers, added components and polyester structure and properties, simulate modeling, and guide the development of differentiated and functionalized bio-based polyester fiber new products;
Establish bio-based polyester fiber testing standards and evaluation methods; Expand the application field of bio-based polyester fibers.
Achievement transformation content
● Provide a platform for the design and development of bio-based polyester functional monomers;
● Provide complete sets of technology and equipment for the industrialization of fiber preparation;
● Provide differentiated, functional bio-based polyester fiber testing standards and evaluation methods;
● Provide guidance on the application of bio-based synthetic polyester.
Suitable for spinning fibers and application fields
● PLA fiber: used in skin-friendly clothing, bed bedding, curtains, carpets, fillers, automotive interiors, and medical, hygiene, cleaning, filtration products, etc.;
● PTT fiber: used in leisure, sports, home clothing, home textile products, sofa covers, elastic textiles, fillings, etc.;
● PTST material: used in packaging materials, etc.
06 Industrialization and application technology of functional (protective, comfortable, conformal preservation) fibers
Functional (Protective, Cosy, Conformal) Fibers Industrialization and Application Technologies
Breakthroughs have been made in key spinning technologies such as composite, multi-component, blending and copolymerization, and the preparation of protective, comfortable, and conformal functional fibers (flame retardant, antibacterial, antiviral, anti-ultraviolet, easy care, elasticity, etc.), which have been applied and promoted in the fields of clothing, home textiles, and personal protection.
Core technology
Multi-functional ecological fibers are prepared by using multiple copolymerization, blending modification, fiber forming, surface construction, nano, and intelligent technologies, and protective functional fibers such as "fast absorption and quick drying" comfort fibers, high-retention fibers, multi-spectrum light-absorbing and heating fibers, antibacterial and deodorant, antiviral, and anti-ultraviolet fibers.
Achievement transformation content
● Provide technical solutions for the preparation of functional masterbatches by multi-polypolymerization, blending modification and surface construction technology;
● Provide masterbatch addition and dispersion technology and multi-functional composite fiber forming technology;
● Provide functional fiber simulation process design;
● Provide fiber functional testing and evaluation technology;
● Provide guidance on the application of functional fibers.
Suitable for spinning fibers and application fields
●"Quick absorption and quick drying" comfort fiber: used in jersey, underwear, sportswear, tourism and leisure wear, etc.;
● Multi-spectrum light-absorbing and heating fibers: used in warm outdoor cotton clothing, snow skating clothing, mountaineering clothing, etc.;
● Antibacterial and deodorant fibers: used in underwear, socks, sportswear, bedding, etc.;
● Antiviral fibers: used in protective clothing, masks, other protective equipment, etc.;
● Anti-ultraviolet fiber: used in outdoor sportswear, tourism and leisure clothing, ski clothing, mountaineering clothing, etc.;
● Composite high-conformal fiber: used in non-ironing clothing, casual clothing, workwear, windbreaker, etc.
07 Industrialization and application technology of high-quality recycled polyester fiber
High Quality Recycled Polyester Fiber Industrialization and Application Technologies
By optimizing the recycling process, the quality control and efficient preparation of recycled polyester are industrialized, and the safety evaluation of recycled polyester is carried out, and the traceability, carbon neutrality and full life cycle certification of recycled polyester are carried out.
Core technology
Research the quality control mechanism of recycled polyester, integrate the advantages of chemical regeneration method and physical regeneration method, and develop high-quality and efficient recycled polyester industrialization technology;
Research on special equipment for melt spinning of recycled polyester to achieve high adaptability and low cost stable spinning; Research the dispersion technology of functional additives, and develop recycled differentiated and functional recycled polyester fibers;
Through the trusted certification platform for green fiber products, the traceability, carbon neutrality and full life cycle certification of recycled polyester are carried out.
Achievement transformation content
● Provide polymerization technology combining chemical regeneration and physical regeneration to realize the industrialization of high-quality and high-efficiency recycled polyester melt preparation;
● Provide highly adaptable and low-cost spinning industrialization technology;
● Provide differentiated and functional recycled polyester fiber simulation process design;
● Provide special module equipment for recycled fiber spinning;
● Provide recycled polyester fiber testing and safety evaluation technology;
● Provide recycled polyester traceability, carbon neutrality and full life cycle certification.
Suitable for spinning fibers and application fields
● Suitable for spinning high-quality recycled polyester fiber, functional recycled polyester fiber;
● Used in clothing, home textiles, geotextiles, filter materials, automotive interior materials, carpets and other fields.
08 Industrialization and application technology of high-quality para-aramid preparation
High Quality Para-aramid Fiber Industrialization and Application Technologies
By improving the quality of polymers, adjusting the preparation process of spinning liquid, and rationally designing the process flow and process equipment, we have realized the high-quality, high-efficiency, energy-saving and low-cost preparation and functional addition of aramid fibers, and have developed colored, anti-ultraviolet and other aramid products.
Core technology
By optimizing the polymerization process, improving the quality of polymers, developing dry jet wet spinning technology, integrating the spinning process, improving the level of spinning equipment, and developing new specialized aramid materials such as high strength and high modulus, crack resistance, high temperature resistance, long service life and high reliability, the industrialization and application of high-quality para-aramid preparation are realized.
Expand the application of para-aramid in the military, automotive industry, protection, aerospace, reinforcement materials, rope fiber optic cables and other fields.
Achievement transformation content
● Provide high-quality para-aramid spinning industrialization technology and engineering services;
● Provide aramid dyeing, comfort modification and other technologies;
● Provide small spinning production lines for the research and development of functional para-aramid products;
● Provide aramid and its products testing and evaluation technology.
Suitable for spinning fibers and application fields
It is suitable for spinning high-quality aramid filament, short filament, chopped fiber, pulp, aramid paper and other products.
● Applications:
Aerospace: rubber skeleton materials; Cabin doors, windows, ceiling panels, bulkheads, storage cabinets; Rocket fairing and engine casing
● Body, air containers, etc.
Personal Protection/Weapons and Equipment: SWAT Combat Training Uniforms, Soft Bulletproof Vests, Bulletproof Helmets and Stab-Resistant Cut-Resistant Clothing, Police Bulletproof Vehicles, Tan
● Gram composite armor, marine bulletproof plates, armored interior panels, etc.
Automotive industry: radial tires, fenders, bumpers, brake pads, clutches, damping buffers, engine gears, dense
● Gaskets, various high-pressure hoses, etc.
Others: hulls, communication cables, deep-sea engineering cables, etc.
09 Industrialization and application technology of high-efficiency, low-cost and functional Lyocell fiber
High Efficiency, Low Cost, Functional Lyocell Fiber Industrialization and Application Technologie
In view of the common problems of Lyocell such as high energy consumption, high production cost and single product, we have developed a complete set of high-efficiency and low-cost industrialized technology and equipment, and developed functional Lyocell fiber, which has developed flame retardant, low-smoke and low-toxicity, long-lasting bacteriostatic fiber, high-purity Lyocell fiber, ultra-short Lyocell fiber, and dope dyed Lyocell fiber, and has been applied and promoted in the fields of clothing, home textiles, automotive interiors, cleaning and sanitation.
Core technology
Develop complete sets of technologies and equipment for the industrialization of Lyocell fibers, such as Lyocell pulp mixing, low-water consumption dry gluing, high-efficiency dissolution of thin film evaporator and LIST reactor, continuous and high-efficiency spinning of high-capacity ring blowing, high-clean post-treatment of fibers, and low-cost and low-energy TVR solvent recovery;
Through grafting and cross-linking, online addition, hybrid spinning, layer by layer self-assembly and other technologies, differentiated and functional Lyocell fiber products are developed; Establish a differentiated and functional Lyocell fiber quality control, testing standard and evaluation system.
Achievement transformation content
● Provide complete sets of technologies and equipment for spinning solution preparation, spinning forming, post-processing, solvent purification and recycling industrialization;
● Provide differentiated and functional Lyocell fiber simulation process design and industrialization technology;
● Provide differentiated and functional Lyocell fiber testing and evaluation methods.
Suitable for spinning fibers and application fields
● Flame retardant, low-smoke and low-toxicity Lyocell fiber and nylon/Lyocell anti-melt drop woven fabrics: used in clothing and home textiles; high-speed rail, aircraft, vehicles and other interior materials;
● Long-lasting antibacterial fiber and polylactic acid/Lyocell antibacterial knitted fabric: used in infant clothing, casual wear, home wear, denim, underwear, shirts, down jackets, bed bedding, carpets, fillers, masks, medical, hygiene, cleaning products, etc.;
● High purity Lyocell fiber, ultra-short Lyocell fiber, dope dyed fiber: used in clothing, home textile products, hygiene, cleaning products, etc.;
● Carbon nanomaterial modified Lyocell conductive fiber and active Lyocell carbon fiber felt: used in filtration, antistatic, and heat-generating products.
10 Industrialization and application technology of environmentally friendly chemical fiber interface treatment agent
Environmentally Friendly Chemical Fiber Interface Treatment Agents Industrialization and Application Technologies
In view of the research and innovation of fiber interface treatment agents, a complete set of "process package" technologies have been formed from the synthesis of interface treatment agent components, the structure and properties of one component, the design and preparation of formulas, the matching of interface treatment agents to the polyester spinning process and the evaluation of fiber post-processing spinnability.
Core technology
● (1) Provide precise synthesis technology of environmentally friendly chemical fiber interface treatment agent: focus on the development of special interface treatment agents for polyester, nylon, polylactic acid and aramid fibers, taking into account the smoothness, wettability, antistatic property and bundling of interface treatment agents, improve spinnable performance, and meet the requirements of high-speed spinning; While ensuring the spinnability, the decomposition volatility of the POY interface treatment agent is improved, and the coking degree of the hot box is reduced. Compared with the imported interface treatment agent, the spinning parameters are comparable, and the spinning performance, white powder and coking amount meet the standards, which realizes the substitution of FDY and POY interface treatment agent for imported products.
● (2) Provide professional customization of environmentally friendly functional chemical fiber interface treatment agent: study the influence of process parameters such as fiber setting temperature, drafting, spinning speed and other process parameters on the fiber oiling process; Fully evaluate the differentiated needs of fine denier, special-shaped and functional fibers for interface treatment agents, further regulate the functional components of interface treatment agents, develop functional interface treatment agents such as smokeless, hydrophilic, antistatic, antibacterial, flame retardant, anti-pilling, etc., and realize the professional customization of environmentally friendly functional chemical fiber interface treatment agents.
● (3) Provide corresponding high-speed and high-quality oiling technology for post-weaving, dyeing and finishing application technology: on the basis of high-quality and stable forming of fibers, further evaluate the influence of interface treatment agent on fiber weaving and product dyeing and finishing process, and develop a complete set of application technology of interface treatment agent; Test the VOC content and release of fiber products to meet the needs of different fields such as intimate clothing and home textiles.
● (4) Establish a professional interface treatment agent evaluation and standard system.
Application areas and scope of services
● It is suitable for interface treatment of polyester POY, FDY, nylon POY, FDY, polylactic acid, aramid fiber, etc.
● Provide on-site application guidance services.
11 Preparation and application technology of graphene aqueous dispersion and graphene carbon nanotube composites
Graphene Aqueous Dispersion and Graphene Carbon Nanotube Composite Preparation and Application Technologies
Through the study of nano-carbon material dispersion technology, the problem of agglomeration of nano-carbon materials is solved, and the nano-scale material functions of nano-carbon tubes and graphene are reflected, and the industrial preparation and application development are realized. The nano-membrane heating module is used to develop thermal management products such as heating vests, heating neck guards, and heating blankets.
Core technology
Drawing on the principle of biological emulsification, the special surfactant is used as the wetting emulsifier, the bipolar molecule is used as the dispersant, and the non-destructive isolation and dispersion of carbon nanotubes are realized by relying on the dual electrostatic interaction, which fundamentally solves the problem of agglomeration of carbon nanotubes.
Conductive fibers were successfully prepared by using the nano-coating process to construct a continuous network of dense carbon nanotubes or graphene on the fiber surface. Preparation of far-infrared thermal efficiency management products using conductive fibers.
Achievement transformation content
●Provide graphene carbon nanotube composite conductive coating preparation technology;
●Provide graphene carbon nanotube composite electric heating film preparation technology;
●Provide guidance on the application and development of graphene carbon nanotube composite materials;
●Provide product performance testing and evaluation technology.
Suitable for spinning fibers and application fields
● Conductive materials and fibers, thermal efficiency management products (heat, far-red external care, etc.), electromagnetic shielding, light-absorbing materials, building materials, supercapacitors, catalyst carriers.
