In order to point out the development trends and priorities of the ten key fields and guide the innovation activities of enterprises, the Strategic Advisory Committee for the Construction of National Manufacturing Power has specially organized the "Made in China 2025" Key Field Technology Roadmap, which mentions the projects directly related to polymer materials as follows:
1, reduce the hull friction resistance coating
Focus on breakthrough in new high performance drag reduction coating technology, bottom air lubrication drag reduction technology, etc.
2. Low temperature materials and cold proof equipment
The research and development of cryogenic materials, pumps, valves and other core hydraulic components suitable for polar sailing ships will be focused on the cryogenic start-up and sealing technology.
3. Lightweight body
The technology breakthrough of composite materials/hybrid materials has been achieved, and the cost has been reduced. The application rate of new energy vehicles has reached 30%, and the autonomy rate has exceeded 50%.
4, high performance polyolefin materials
Breakthrough high melt index polypropylene, ultra high molecular weight polyethylene, foamed polypropylene, polybutene-1 (PB) and other industrial production technology, to achieve large-scale application.
5, polyurethane resin
Focus on the development of environmental protection polyurethane materials such as waterborne polyurethane materials, accelerate the development of aliphatic isocyanate and other raw materials.
6. Fluorosilicone resin
Focus on the development of polyvinylidene fluoride, PET, other fluorine resin and silicone resin, silicone oil.
7. Special synthetic rubber
Focus on the development of isoprene rubber and isobutene synthesis of isoprene; Developing silicone rubber, dissolved polystyrene butadiene rubber and rare earth butadiene rubber; The development of halogenated butyl, hydrogen butyronitrile and other rubber with special properties.
8. Biological based synthetic materials
Key breakthroughs will be made in bio-based rubber synthesis technology, bio-based aromatics synthesis technology, bio-Kinelon preparation key technology, new bio-based plasticizer synthesis and application key technology, bio-based polyurethane preparation key technology, bio-based polyester preparation key basic chemical raw materials preparation key basic technology, etc.
9. Bio-based light industrial materials
Focus on the development of polylactic acid (PLA), polybutylene succinate (PBS), polyterephthalate (PET, PTT), polyhydroxyalkanoic acid (PHA), polyamide (PA) and other products. The optical purity of PLA key monomers L-lactic acid and D-lactic acid is more than 99.9%, and the cost is reduced by 20%. PBS key monomer biosuccinic acid, 1, 4-butanediol increased the biological conversion rate to 5-10%; The key monomer of PTT, 1, 3-propylene glycol, was produced by fermentation of cassava starch, glycerin and other non-food raw materials, and PTT fiber polymerization and spinning realized industrialization. The purity of PA key monomer glutenediamine sulfate product is higher than 99%, and the cost is reduced by 20%.
10. Special engineering plastics
Focus on the development of thermoplastic polyimide (PI) engineering plastic resin, naphthalene biphenyl polyether sulfone ketone copolymer resin (PPESK), high-end fluorine plastics processing and molding of special fibers, filter materials, high temperature resistant functional film, high performance resin matrix composite materials, high temperature resistant insulation materials, high temperature resistant functional coatings, high temperature resistant special adhesives.
Thermoplastic polyimide engineering plastic resin, viscosity 0.38dL/g, Tg=230-310℃, Td5%>500℃, tensile strength >100MPa, bending strength >150MP, cost < 150,000 / ton; Naphthalene biphenyl polyether sulfone ketone copolymerizing resin, Tg=263-305℃, tensile strength 90-122MPa, tensile modulus 2.4-3.8GPa, volume resistivity 3.8-4.8×1016Ω·cm, the cost can be reduced to 50-70% of PEEK.
The main performance index of high-end fluorine plastics: ultra-pure fluorine plastic products: PTFE solid performance density SSG≤2.147g/cm3,PTFE resin tensile strength >28MPa, elongation >350%, insulation strength >3.5KV/mil. Meet the requirements of C12 in SEMI standard; High and low temperature resistance fluorine material functional film, special fluorine fiber and filter products: meet the requirements of high-end environmental protection, PTFE resin requirements compression ratio >3000, tensile strength >28MPa, elongation >360%; Oil and gas and chemical fluid transmission pump, valve and pipeline PVDF resin requirements density of 1.75-1.77g/cm3, melting point of 0.5-2.0g/10min, melting point of 156-165℃, thermal decomposition temperature ≥390℃, water content ≤0.10%, glass transition temperature ≤-35℃, embrittlement temperature ≤-62℃.
11. Advanced textile materials
(1) Independent industrialization of absorbable sutures and hemodialysis materials for high-end industrial textiles will be realized in 2020, partially replacing imported products from abroad; Meet the thermal, biochemical, electrostatic, radiation and other functional protection requirements; High temperature filtration and water filtration products meet the requirements of various application fields; Geotechnical materials meet the construction requirements of complex geological environment. In 2025, it will meet the requirements of multifunctional composite protection, while realizing light weight, comfort and partial intelligence. The service life and stability of filter products will be further improved, and the combination of low-cost application and intelligent monitoring and warning functions will be realized.
(2) Functional textile new materials in 2020, flame retardant limit oxygen index >32, no melting drops, drip diffusion time <1s, energy consumption reduced by 20%. By 2025, we will basically be self-sufficient in high-end products.
(3) The purity of 1, 3-propylene glycol as raw material of bio-based chemical fiber 2020 PTT fiber is greater than 99.5%, and the cost is controlled below 15,000 yuan/ton; The heat resistant temperature of PLA was more than 110℃, the monomer purity was more than 99.9%, the fracture strength of PLA fiber was greater than 3.5g/d, and the fracture elongation was 30%-35%. The production cost of PLA fiber is close to that of PET in 2025.
12, high performance separation membrane material
(1) Desalination reverse osmosis membrane product desalination rate is greater than 99.8%, water flux increased by 30%, desalination project reached 2 million tons/day, equipment localization rate is greater than 80%.
(2) The filling density of ceramic membrane products exceeds 300m2/m3, the cost decreases by 20%, the demand reaches 200,000 m2, the low-temperature co-sintering technology is broken, the airlift membrane separation equipment is formed, and the energy consumption decreases by 30%.
(3) The membrane performance of ion exchange membrane products has been improved by 20%, and the industrial application of chlor-alkali has exceeded 10 million tons, breaking through the new technology and complete sets of equipment of chlor-alkali production with the whole membrane method.
(4) Hollow fiber membrane products have been applied in tap water production, sewage treatment and other fields over 10 million tons/day, with membrane area over 20 million m2.
(5) The permeation flux of pervaporation membrane products is increased by 20%, the membrane area is up to 100,000 m2, the technology of large membrane assemblers and membrane integrated application is broken through, the scale of application is more than one million tons of solvent dehydration and recovery, and the energy saving is more than 30%.
13. High performance fiber and composite materials
(1) High-performance carbon fiber and its composite materials By 2020, the technology maturity of domestic high-strength carbon fiber and its composite materials will reach level 9, to achieve large-scale applications in automobiles, high-tech ships and other fields; In 2025, the technology maturity of domestic high-strength medium mold, high-strength carbon fiber and its composite materials reached grade 9; We will strive to achieve CAAC/FAA/EASA airworthiness certification for some key components of aviation carbon fiber composite materials by 2025 in combination with the development process of domestic large aircraft. Carbon fiber (T800 grade) tensile strength ≥5.8GPa, CV≤4%, tensile modulus 294GPa, CV≤4%.
(2) High performance para-aramid fiber and its composite materials in 2025, the technology maturity of domestic para-aramid fiber and its composite materials reached level 9. To establish a unified standard technology system for high performance fiber materials, overcome the industrialization technology of efficient preparation of serialized high performance fiber, and carry out research on composite matrix materials, design technology, molding process, performance characterization, application verification and recycling matching with domestic high performance fiber, so as to ensure major equipment requirements. The breaking strength of para aramid fiber is 20-22cN/dtex, and the elongation at break is 3-4%. The fiber size of polyimide monofilaments was 2.0dTex, the strength was >4cN/dTex, and the limiting oxygen index was 38%.
(3) Other high performance fiber and composite materials, focusing on the development of metal base and ceramic base advanced composite materials, components and related process equipment; The fiber size was 2.0dTex, the strength was >4cN/dTex, and the limiting oxygen index was 38%. Ultra-high molecular weight polyethylene fiber, basalt fiber, polyphenylene sulfide fiber, high strength and high modulus polyvinyl formaldehyde fiber, polytetrafluoroethylene fiber, silicon carbide fiber and other important varieties; Developed high performance PBO fiber with tensile strength of 5.8GPa, modulus of 270GPa and limiting oxygen index of 68%.
14. A new generation of biomedical materials
(1) Regenerative medicine products We have developed 5-10 kinds of bioactive materials for the regeneration and repair of bone, skin, nerve and other tissues, and the annual output of high-end regenerative medicine products is 5 billion yuan.
(2) Functional implant/intervention products, 5-10 items of biomedical materials applied in cardiovascular, artificial joints, dental implants, visual restoration and other clinical treatments have been developed, and the annual output of high-end functional implant/intervention products is 3 billion yuan.
(3) Medical raw materials to achieve domestic production of important raw materials, support a large number of medical consumables, permeable membranes, degradable instruments and other products, to achieve an annual output of 3 billion yuan.
15. Materials for 3D printing
(1) Other special 3D printing materials break through the industrialization preparation technology suitable for 3D printing materials, and establish the relevant material product standard system.
(2) Medical additive manufacturing technology (3D printing technology) implantable materials and modification technology suitable for 3D printing technology, carbon nano and graphene medical materials technology, comprehensive solutions for personalized manufacturing, including detection, computer-aided design and manufacturing technology, etc.
16. Intelligent Biomimetic and metamaterials
(1) Controllable metamaterials and equipment can realize the controllable conversion of electromagnetic wave from absorbing wave to transmitting wave in a specific frequency band, or convert absorbing wave or transmitting wave in a specific frequency band to radiating electromagnetic wave.
(2) Biomimetic bioadhesion regulation and separation materials to achieve long-term anti-marine bioadhesion (3 years, less than 5%), no environmental toxicity; Achieve efficient adhesion regulation enrichment and separation of more than 99%; Two to three kinds of long-lasting biomimetic anti-adhesion coating materials and biomimetic efficient separation technology and equipment were obtained.
(3) Flexible smart materials and wearable devices realize the production of flexible bionic smart materials "roll-to-roll", realizing electromagnetic adjustable, intelligent sensing, 0-360 degree arbitrary bending and compatible with human body. Overall breakthrough biomimetic adhesion regulation and separation material preparation of large area and coating bonding technology; Flexibility of smart materials, large area preparation and biocompatible technology; Joint design technology of adaptive and controllable metamaterials with intelligent and biomimetic properties.
17. Graphene materials
(1) Compared with existing materials, the charging time of graphene-based electrode materials for lithium-ion batteries of electric vehicles is more than 1 times shorter and the driving range is more than 1 times higher.
(2) The service life of graphene-based anti-corrosion coatings for Marine engineering is more than 1 times longer than that of traditional anti-corrosion coatings.
(3) Graphene films for flexible electronics are more cost-effective than ITO, and have excellent flexibility, which can be widely used in flexible electronics field.
(4) The performance of graphene-based thermal interface materials for optical/electrical field is more than 2 times higher than that of existing products. The overall breakthrough of graphene scale preparation technology, graphene powder dispersion technology, graphene based electrode material composite technology.
18. Medical instruments and advanced treatment equipment
(1) Large-scale heavy ion/proton tumor treatment equipment, image-guided radiotherapy equipment, high-definition electronic endoscope, high-resolution confocal endoscope, digital minimally invasive and implant interventional surgery system, surgical robot, anesthesia machine workstation, adaptive mode ventilator, electrosurgical instruments, intraoperative imaging equipment, brain pacemaker, vagus nerve stimulator and other neuroregulatory products, digital integration Chemical operating room, degradable vascular stent, orthopedic and oral material implant, foldable intraocular lens, etc.
(2) Key components: large thermal capacity X-ray tube (more than 8MHU), new X-ray photon detector, ultrasonic diagnostic single crystal probe, array probe (more than 2000 array), miniature high-frequency ultrasonic probe (blood vessel or endoscope detection), Core components include high field intensity superconducting magnet above 3T, multi-channel spectrometer for MRI (above 64 channels), CT detector, PET detector (based on silicon photomultiplier tube), degradable vascular stent materials, dialysis materials, medical grade polymer materials, implanted electrodes, standard materials for clinical inspection and quality control.