Copper is one of the earliest non-ferrous metals developed and utilized by mankind. Bronze culture has an important part in human history and civilization.
In modern industry, metallic copper and its alloy materials have (1) good electrical conductivity (2) excellent thermal conductivity (3) beautiful color and decorative (4) strong antibacterial properties, and on the human body Non-toxic (5) non-magnetic (6) excellent chemical stability, seawater corrosion resistance, etc., which has become a very important basic material for modern industry, and is also widely used in electrical, light industry, machinery manufacturing, chemistry, construction, Various fields such as national defense. With the rapid development of the economy, the total consumption of metallic copper in China has exceeded 5 million tons in 2008, accounting for 27% of global consumption, ranking first in the world.
In the mid-1980s, with the constant demand for electronic high-tech products, ultra-fine metal powders gradually developed into emerging high-tech products and cutting-edge industrial basic materials, and also became a hot industry in the capital market and society.
Among the metal powder products, ultrafine copper powder has become a basic functional powder material with wide application, large application potential, high added value and large scale due to its excellent physical and chemical properties and some special properties. Production of powder metallurgy, electronic materials, friction materials, oil-bearing bearings, electrical contact materials, conductive materials, pharmaceuticals, diamond products and mechanical parts, in high-tech fields such as petroleum catalysts, lubricants, conductive and decorative coatings and electromagnetic shielding materials. Nano copper powder is also beginning to be applied.
However, the processing and production technology of copper powder has always been the main bottleneck affecting the development of the industry. Because copper powder is soft and difficult to grind, it is easy to oxidize and deteriorate in humid air. Traditional mechanical grinding method can only produce large particle copper powder within 2500 mesh (~10um). Now the main production methods mainly include electrolysis and water. The atomization method, wherein the electrolysis method has high purity, but the particle size is large and the shape is irregular, the water atomization method has high cost, low yield, uneven particles, and unstable quality. In addition, many newly developed production technologies have problems due to some complicated processes, high requirements for electrical equipment, large investment, low product yield, high cost, wide particle distribution, environmental pollution, high energy consumption, and unstable quality. Did not become mainstream technology. The newly developed chemical reduction method can only produce nano copper powder, and its production process is still in the research stage of the laboratory. Due to high raw material cost, difficulty in reprocessing secondary pollutants, low product yield and high cost, the product is sold. The high price (the market price of ultra-fine copper powder per ton is 1.5 to 50 million yuan) makes it difficult for customers to accept, especially in many fields, the effect of nano-sized copper powder is not ideal. In addition, since ultrafine copper powder is not like metal copper, it is easily oxidized into copper oxide in the air. It can only be protected by nitrogen gas and sealed, which also affects the large-scale promotion and application of ultrafine copper powder.
The demand for world copper powder is increasing rapidly, with an annual increase of more than 15%. In 2008, the total amount has exceeded 100,000 tons. According to this calculation, there is a market supply and demand gap of more than several billion yuan per year. This is undoubtedly for investors. Great attraction.
China's copper powder production enterprises are mostly large enterprises with strong strength, and many enterprises and funds are involved in this industry. Copper powder production scale is also in the forefront of the world, but there is still a big gap in control technology with advanced countries such as the United States, Britain, Russia, etc., almost all of them are mechanical physics production, product structure is relatively simple, electrolytic copper powder and water mist Copper powder accounts for 95%, and ultra-fine nano-copper powder accounts for a very small proportion, regardless of the application.
Submicron ultrafine copper powder (about 1 micron) has many characteristics of nanomaterials, such as small size effect and surface interface effect, in addition to the good electrical conductivity, thermal conductivity, corrosion resistance, decoration, sterilization and non-magnetic properties of copper metal. , quantum scale effect and quantum tunneling effect, adding many new properties and uses in the fields of mechanics, electricity, magnetism, chemistry, pigmentology, etc., thus becoming a new variety with greater application value and market demand potential in the copper powder field. . Therefore, ultrafine copper powder is not a simple metal material, it can be used as a functional foundation powder material, and it is also a new bright spot and hot spot in the development of copper powder industry.
Ultra-fine copper powder is a high-tech, high value-added product with special use and great potential. Many large foreign companies (such as Motorola and Dadonghai in Japan) are paying attention to the development and application of products. Based on this huge cake, the original copper powder enterprises are also constantly increasing the investment in technology and the introduction of advanced foreign technology to enhance the product quality, but the core technology can not be introduced, only the road of technological innovation.
Mr. Ji Weiqun, Chairman of Chongqing Phuket Chemical Co., Ltd. has been engaged in the research and product development of powder materials in the titanium dioxide field of sulfuric acid process for a long time. He has made considerable achievements. The two titanium white varieties under development are still famous brands in the titanium dioxide industry. In 2007, after resigning from the position of chief engineer of a titanium dioxide enterprise in Chongqing, he led an excellent technical team to enter the field of silicon micropowder, iron oxide black and other fields. At the age of forty-one, he started his second venture in life. As a newly-built private enterprise, in the absence of a single investment and loan, it took less than three years to develop, and not only successfully developed the patented technology of crystal particle control, but also completed the sub-micron copper on this basis. The research and development of powder, such as process design, industrial production and anti-oxidation treatment, has developed a series of core technologies with independent intellectual property rights, and successfully carried out small-scale continuous production of 120 kilograms per day (for titanium dioxide is small batch, for ultra-fine Copper powder is indeed not small scale), product number PJ-139, and it is also used as the basic material in the field of friction lubrication. Through the special treatment technology, the PJ-130 series engine anti-wear repair agent and wear-in repairing agent series are successfully developed.
At the end of August 2009, we sent this product to the National Metal Powder Materials Laboratory of Central South University in Changsha for inspection. The result is that the ultrafine copper powder has a particle size of 0.5-1.0 micron (more than 18,000 mesh) and its shape. It is also very close to the spherical shape, uniform in particle size, high in purity (analyzed copper content is 99.94%, higher than 99.8% of electrolytic copper powder), outstanding in oxidation resistance, and can be directly stored and used in humid air after treatment. Long time.
The technology utilizes the basic principles of inorganic and organic chemistry, and becomes a regenerable grinding solvent through the rational preparation of inorganic and organic reducing materials, and is combined with particle control technology to form spherical ultrafine copper powder of different particle sizes, and finally undergoes special antioxidant. The treatment improves the oxidation resistance and dispersibility of the ultrafine copper powder, and not only breaks through the technical bottleneck that the pure copper particles can not exceed 2500 for a long time, but also overcomes the problem of preservation and use of the copper nanoparticles, filling the world super The blank of industrialization of fine copper powder. In particular, it has formed a complete set of mature processes and leading technologies in terms of purity improvement, particle size control, spheroidization treatment, dehydration drying and anti-oxidation treatment of ultrafine copper powder, which not only realizes large-scale industrialized clean production of ultrafine copper powder, It also opened a convenient door for the application of ultra-fine copper powder in related high-tech fields. In the new round of economic tide of developing energy conservation, environmental protection and green economy, it provided material for the improvement of downstream industries and the improvement of product cost performance. Basic and technical support.
Based on the accumulation of technology in powder post-treatment, we can work with brands in different industries to develop electronic, special coatings, engineering plastics, pharmaceuticals, grinding, wear-resistant materials and lubrication with strong oxidative stability. Anti-wear high-grade ultra-fine copper powder series products, and strive to become a professional ultra-fine copper powder production enterprises, supporting services for related enterprises.
This product is the first in China, its technology level is internationally leading, with independent intellectual property rights, the company has applied for patent protection.
The advent of this product and technology has laid the foundation for the large-scale industrial production and application promotion of ultra-fine copper powder as soon as possible. We will focus on self-reliance, in accordance with the modern economic model and the influence of people of insight and certain industries. Comprehensive strength enterprises carry out multi-modal industrial and marketing cooperation, adopt clean production mode to build the world's largest and best quality sub-micron ultra-fine copper powder and derivative production base, and promote the development and improvement of upstream and downstream supporting industries. Value-added products, explore a new road of scientific and technological innovation, intensive management and circular economy development, and achieve the corporate culture and development goals of “Puli society, auspicious life†in low-carbon economy and green economy industry.
The development and production of micron-sized ultrafine copper powder is a key technology that may bring revolutionary changes in copper and its alloys. It has strong practical value, especially for friction lubrication, antibacterial environmental protection, thermal conductivity and electromagnetic interference resistance. The development of anti-aging drugs for human body is directly related to energy conservation, environmental protection and safety.
In the copper powder market, in addition to the price of metal copper, the price of the product has a great relationship with the particle size. The finer the product, the higher the price. The 2000 mesh copper powder is 25 to 300,000 yuan per ton, while the nano-scale copper powder is quoted online. Up to 150-7.5 million yuan / ton, up to 50 million yuan / ton. We will consider entering the market at a relatively low price, allowing and serving a large number of downstream customers to form a huge industrial chain and industrial cluster. Simply replacing molybdenum disulfide as a lubricant additive will promote a huge market.
According to preliminary calculations, an ultra-fine copper powder production base with an annual output of 2,000 tons will be built, with a total investment of less than 30 million yuan, and the output value will be as far as 1 billion yuan. The benefits and returns are very amazing.
Ultra-fine copper powder belongs to a new type of functional powder material, and is also the basic material given to people by nature. It has higher cost performance and more "natural" than various new materials developed by people through various scientific and technological means. It is the best "this basic concept, with its special purpose and application potential, can bring unexpected changes to the traditional industry, thus generating huge benefits. In 2009, Premier Wen stressed with the Beijing science and technology personnel the seven major new industries that China will focus on in the next step. From the perspective of application, ultra-fine copper powder directly involves five major industries.
1. In the machining industry, sub-micron ultra-fine copper powder is very easy to combine with various metal materials such as iron and aluminum to become alloy materials. As a kind of wear-resistant repair material, it can first fill the metal surface of modern machine tool processing 0.508～25.4um. The roughness and processing deviation of about 5 microns, which is currently not possible in the modern mechanical processing industry, is required for precision wear-resistant instruments and equipment.
2. In the electronics industry, ultra-fine copper powder is the best conductive composite material, electrode material, terminal and internal electrodes for manufacturing multilayer ceramic capacitors, electronic packaging paste for electronic components, etc., which will bring quality and quality compared with ordinary copper powder. Great changes in performance.
3. In the petrochemical industry, copper and its alloy ultrafine powders are used as catalysts with high efficiency and high selectivity. They can be used in the synthesis of catalysts for the synthesis of methanol, acetylene and acrylonitrile in carbon dioxide and hydrogen.
4. In the mechanical brake industry, copper powder is an excellent wear-resistant material. It can be used together with various non-metallic materials to produce extremely high-quality friction components such as brake pads and clutch discs.
5. Production of conductive coating functional coatings and bactericidal sanitary coatings.
6. Solve the electromagnetic shielding and electrical conduction problems of engineering plastics and wood such as ABS, PPO, PS, etc. The electromagnetic shielding engineering materials have the advantages of low cost, easy coating, good electromagnetic shielding effect and wide application range, especially suitable for engineering. Plastic is the electromagnetic resistance of the housing's electronic products.
7 Application of ultrafine copper powder in medicine:
Submicron copper powder with a particle size of 0.1-1000 nm is used as a raw material to make a drug (weight ratio is 0.2-0.4%), which has a significant reduction in MDA content and improves lipid peroxidation damage caused by oxygen free radicals. Increasing the SOD content, enhancing the body's SOD level, and regulating the characteristics of its functional activity, thereby delaying the aging process of the human body, intervening and delaying the transformation of the body's tissue structure to aging, opening up a new way of anti-aging in the field of life sciences. Some researchers have used anti-aging and cerebral ischemia, sequelae of cerebral thrombosis and other therapeutic drugs, and the curative effect is exact, and it is convenient and safe to take. More experts and professors have been used to treat cancer, and after taking a miraculous effect, they have turned their backs to explore its mechanism.
8. Lubrication anti-wear and repair materials are the frontier market for the promotion and application of ultra-fine copper powder.
With the end of the world economic crisis, the green economy will become an important area of ​​economic development, because one-third to two-thirds of the world's energy is consumed in mechanical friction, to mitigate climate change and energy crisis, and to achieve energy conservation. Environmental protection, the friction and lubrication industry is facing tremendous pressure, and there are also great opportunities for development. Nowadays, although various operating machines add lubricating oil, the lubricating oil can only reduce wear and no repair function, and the mechanical equipment will eventually wear out. Scrap, but different lubricants have different performance. Theoretical innovation and material support are new impetus for the development of the industry. After special treatment, the ultrafine copper powder is dispersed in the lubricating oil in a suitable manner to form a stable suspension, which is gradually filled into the mechanical scratches during the lubrication process, and combined with the metal matrix to form a repair layer to reduce the friction coefficient and reduce Although the wear and tear did not change the original sliding friction form, it was significantly improved compared with the traditional lubricating oil. The relevant data and effects were gradually recognized by the authoritative testing institutions and the market. The lubricants with nano copper powder added have been sold abroad. The price is very high and the quantity is very small, mainly used for high-end and special occasions.
The green energy that nature gives to humans also includes wind and water. If we improve the lubrication mode, reduce the friction coefficient and the energy consumption of the power generation equipment, increase the output rate, and achieve the balance of economic input, especially the thermal power generation cost lower than the current oil, natural gas and coal, it will fundamentally improve humanity. The power energy structure, which is inexhaustible green energy, will greatly change the destruction of the natural environment caused by the increase in human CO2.
The discovery and application of metallic copper has promoted and changed the human past. Ultrafine copper powder has become a valuable asset for nature, and it will also play a huge role in coping with energy conservation, environmental protection, green economy and the development of many high-tech products.
In modern industry, metallic copper and its alloy materials have (1) good electrical conductivity (2) excellent thermal conductivity (3) beautiful color and decorative (4) strong antibacterial properties, and on the human body Non-toxic (5) non-magnetic (6) excellent chemical stability, seawater corrosion resistance, etc., which has become a very important basic material for modern industry, and is also widely used in electrical, light industry, machinery manufacturing, chemistry, construction, Various fields such as national defense. With the rapid development of the economy, the total consumption of metallic copper in China has exceeded 5 million tons in 2008, accounting for 27% of global consumption, ranking first in the world.
In the mid-1980s, with the constant demand for electronic high-tech products, ultra-fine metal powders gradually developed into emerging high-tech products and cutting-edge industrial basic materials, and also became a hot industry in the capital market and society.
Among the metal powder products, ultrafine copper powder has become a basic functional powder material with wide application, large application potential, high added value and large scale due to its excellent physical and chemical properties and some special properties. Production of powder metallurgy, electronic materials, friction materials, oil-bearing bearings, electrical contact materials, conductive materials, pharmaceuticals, diamond products and mechanical parts, in high-tech fields such as petroleum catalysts, lubricants, conductive and decorative coatings and electromagnetic shielding materials. Nano copper powder is also beginning to be applied.
However, the processing and production technology of copper powder has always been the main bottleneck affecting the development of the industry. Because copper powder is soft and difficult to grind, it is easy to oxidize and deteriorate in humid air. Traditional mechanical grinding method can only produce large particle copper powder within 2500 mesh (~10um). Now the main production methods mainly include electrolysis and water. The atomization method, wherein the electrolysis method has high purity, but the particle size is large and the shape is irregular, the water atomization method has high cost, low yield, uneven particles, and unstable quality. In addition, many newly developed production technologies have problems due to some complicated processes, high requirements for electrical equipment, large investment, low product yield, high cost, wide particle distribution, environmental pollution, high energy consumption, and unstable quality. Did not become mainstream technology. The newly developed chemical reduction method can only produce nano copper powder, and its production process is still in the research stage of the laboratory. Due to high raw material cost, difficulty in reprocessing secondary pollutants, low product yield and high cost, the product is sold. The high price (the market price of ultra-fine copper powder per ton is 1.5 to 50 million yuan) makes it difficult for customers to accept, especially in many fields, the effect of nano-sized copper powder is not ideal. In addition, since ultrafine copper powder is not like metal copper, it is easily oxidized into copper oxide in the air. It can only be protected by nitrogen gas and sealed, which also affects the large-scale promotion and application of ultrafine copper powder.
The demand for world copper powder is increasing rapidly, with an annual increase of more than 15%. In 2008, the total amount has exceeded 100,000 tons. According to this calculation, there is a market supply and demand gap of more than several billion yuan per year. This is undoubtedly for investors. Great attraction.
China's copper powder production enterprises are mostly large enterprises with strong strength, and many enterprises and funds are involved in this industry. Copper powder production scale is also in the forefront of the world, but there is still a big gap in control technology with advanced countries such as the United States, Britain, Russia, etc., almost all of them are mechanical physics production, product structure is relatively simple, electrolytic copper powder and water mist Copper powder accounts for 95%, and ultra-fine nano-copper powder accounts for a very small proportion, regardless of the application.
Submicron ultrafine copper powder (about 1 micron) has many characteristics of nanomaterials, such as small size effect and surface interface effect, in addition to the good electrical conductivity, thermal conductivity, corrosion resistance, decoration, sterilization and non-magnetic properties of copper metal. , quantum scale effect and quantum tunneling effect, adding many new properties and uses in the fields of mechanics, electricity, magnetism, chemistry, pigmentology, etc., thus becoming a new variety with greater application value and market demand potential in the copper powder field. . Therefore, ultrafine copper powder is not a simple metal material, it can be used as a functional foundation powder material, and it is also a new bright spot and hot spot in the development of copper powder industry.
Ultra-fine copper powder is a high-tech, high value-added product with special use and great potential. Many large foreign companies (such as Motorola and Dadonghai in Japan) are paying attention to the development and application of products. Based on this huge cake, the original copper powder enterprises are also constantly increasing the investment in technology and the introduction of advanced foreign technology to enhance the product quality, but the core technology can not be introduced, only the road of technological innovation.
Mr. Ji Weiqun, Chairman of Chongqing Phuket Chemical Co., Ltd. has been engaged in the research and product development of powder materials in the titanium dioxide field of sulfuric acid process for a long time. He has made considerable achievements. The two titanium white varieties under development are still famous brands in the titanium dioxide industry. In 2007, after resigning from the position of chief engineer of a titanium dioxide enterprise in Chongqing, he led an excellent technical team to enter the field of silicon micropowder, iron oxide black and other fields. At the age of forty-one, he started his second venture in life. As a newly-built private enterprise, in the absence of a single investment and loan, it took less than three years to develop, and not only successfully developed the patented technology of crystal particle control, but also completed the sub-micron copper on this basis. The research and development of powder, such as process design, industrial production and anti-oxidation treatment, has developed a series of core technologies with independent intellectual property rights, and successfully carried out small-scale continuous production of 120 kilograms per day (for titanium dioxide is small batch, for ultra-fine Copper powder is indeed not small scale), product number PJ-139, and it is also used as the basic material in the field of friction lubrication. Through the special treatment technology, the PJ-130 series engine anti-wear repair agent and wear-in repairing agent series are successfully developed.
At the end of August 2009, we sent this product to the National Metal Powder Materials Laboratory of Central South University in Changsha for inspection. The result is that the ultrafine copper powder has a particle size of 0.5-1.0 micron (more than 18,000 mesh) and its shape. It is also very close to the spherical shape, uniform in particle size, high in purity (analyzed copper content is 99.94%, higher than 99.8% of electrolytic copper powder), outstanding in oxidation resistance, and can be directly stored and used in humid air after treatment. Long time.
The technology utilizes the basic principles of inorganic and organic chemistry, and becomes a regenerable grinding solvent through the rational preparation of inorganic and organic reducing materials, and is combined with particle control technology to form spherical ultrafine copper powder of different particle sizes, and finally undergoes special antioxidant. The treatment improves the oxidation resistance and dispersibility of the ultrafine copper powder, and not only breaks through the technical bottleneck that the pure copper particles can not exceed 2500 for a long time, but also overcomes the problem of preservation and use of the copper nanoparticles, filling the world super The blank of industrialization of fine copper powder. In particular, it has formed a complete set of mature processes and leading technologies in terms of purity improvement, particle size control, spheroidization treatment, dehydration drying and anti-oxidation treatment of ultrafine copper powder, which not only realizes large-scale industrialized clean production of ultrafine copper powder, It also opened a convenient door for the application of ultra-fine copper powder in related high-tech fields. In the new round of economic tide of developing energy conservation, environmental protection and green economy, it provided material for the improvement of downstream industries and the improvement of product cost performance. Basic and technical support.
Based on the accumulation of technology in powder post-treatment, we can work with brands in different industries to develop electronic, special coatings, engineering plastics, pharmaceuticals, grinding, wear-resistant materials and lubrication with strong oxidative stability. Anti-wear high-grade ultra-fine copper powder series products, and strive to become a professional ultra-fine copper powder production enterprises, supporting services for related enterprises.
This product is the first in China, its technology level is internationally leading, with independent intellectual property rights, the company has applied for patent protection.
The advent of this product and technology has laid the foundation for the large-scale industrial production and application promotion of ultra-fine copper powder as soon as possible. We will focus on self-reliance, in accordance with the modern economic model and the influence of people of insight and certain industries. Comprehensive strength enterprises carry out multi-modal industrial and marketing cooperation, adopt clean production mode to build the world's largest and best quality sub-micron ultra-fine copper powder and derivative production base, and promote the development and improvement of upstream and downstream supporting industries. Value-added products, explore a new road of scientific and technological innovation, intensive management and circular economy development, and achieve the corporate culture and development goals of “Puli society, auspicious life†in low-carbon economy and green economy industry.
The development and production of micron-sized ultrafine copper powder is a key technology that may bring revolutionary changes in copper and its alloys. It has strong practical value, especially for friction lubrication, antibacterial environmental protection, thermal conductivity and electromagnetic interference resistance. The development of anti-aging drugs for human body is directly related to energy conservation, environmental protection and safety.
In the copper powder market, in addition to the price of metal copper, the price of the product has a great relationship with the particle size. The finer the product, the higher the price. The 2000 mesh copper powder is 25 to 300,000 yuan per ton, while the nano-scale copper powder is quoted online. Up to 150-7.5 million yuan / ton, up to 50 million yuan / ton. We will consider entering the market at a relatively low price, allowing and serving a large number of downstream customers to form a huge industrial chain and industrial cluster. Simply replacing molybdenum disulfide as a lubricant additive will promote a huge market.
According to preliminary calculations, an ultra-fine copper powder production base with an annual output of 2,000 tons will be built, with a total investment of less than 30 million yuan, and the output value will be as far as 1 billion yuan. The benefits and returns are very amazing.
Ultra-fine copper powder belongs to a new type of functional powder material, and is also the basic material given to people by nature. It has higher cost performance and more "natural" than various new materials developed by people through various scientific and technological means. It is the best "this basic concept, with its special purpose and application potential, can bring unexpected changes to the traditional industry, thus generating huge benefits. In 2009, Premier Wen stressed with the Beijing science and technology personnel the seven major new industries that China will focus on in the next step. From the perspective of application, ultra-fine copper powder directly involves five major industries.
1. In the machining industry, sub-micron ultra-fine copper powder is very easy to combine with various metal materials such as iron and aluminum to become alloy materials. As a kind of wear-resistant repair material, it can first fill the metal surface of modern machine tool processing 0.508～25.4um. The roughness and processing deviation of about 5 microns, which is currently not possible in the modern mechanical processing industry, is required for precision wear-resistant instruments and equipment.
2. In the electronics industry, ultra-fine copper powder is the best conductive composite material, electrode material, terminal and internal electrodes for manufacturing multilayer ceramic capacitors, electronic packaging paste for electronic components, etc., which will bring quality and quality compared with ordinary copper powder. Great changes in performance.
3. In the petrochemical industry, copper and its alloy ultrafine powders are used as catalysts with high efficiency and high selectivity. They can be used in the synthesis of catalysts for the synthesis of methanol, acetylene and acrylonitrile in carbon dioxide and hydrogen.
4. In the mechanical brake industry, copper powder is an excellent wear-resistant material. It can be used together with various non-metallic materials to produce extremely high-quality friction components such as brake pads and clutch discs.
5. Production of conductive coating functional coatings and bactericidal sanitary coatings.
6. Solve the electromagnetic shielding and electrical conduction problems of engineering plastics and wood such as ABS, PPO, PS, etc. The electromagnetic shielding engineering materials have the advantages of low cost, easy coating, good electromagnetic shielding effect and wide application range, especially suitable for engineering. Plastic is the electromagnetic resistance of the housing's electronic products.
7 Application of ultrafine copper powder in medicine:
Submicron copper powder with a particle size of 0.1-1000 nm is used as a raw material to make a drug (weight ratio is 0.2-0.4%), which has a significant reduction in MDA content and improves lipid peroxidation damage caused by oxygen free radicals. Increasing the SOD content, enhancing the body's SOD level, and regulating the characteristics of its functional activity, thereby delaying the aging process of the human body, intervening and delaying the transformation of the body's tissue structure to aging, opening up a new way of anti-aging in the field of life sciences. Some researchers have used anti-aging and cerebral ischemia, sequelae of cerebral thrombosis and other therapeutic drugs, and the curative effect is exact, and it is convenient and safe to take. More experts and professors have been used to treat cancer, and after taking a miraculous effect, they have turned their backs to explore its mechanism.
8. Lubrication anti-wear and repair materials are the frontier market for the promotion and application of ultra-fine copper powder.
With the end of the world economic crisis, the green economy will become an important area of ​​economic development, because one-third to two-thirds of the world's energy is consumed in mechanical friction, to mitigate climate change and energy crisis, and to achieve energy conservation. Environmental protection, the friction and lubrication industry is facing tremendous pressure, and there are also great opportunities for development. Nowadays, although various operating machines add lubricating oil, the lubricating oil can only reduce wear and no repair function, and the mechanical equipment will eventually wear out. Scrap, but different lubricants have different performance. Theoretical innovation and material support are new impetus for the development of the industry. After special treatment, the ultrafine copper powder is dispersed in the lubricating oil in a suitable manner to form a stable suspension, which is gradually filled into the mechanical scratches during the lubrication process, and combined with the metal matrix to form a repair layer to reduce the friction coefficient and reduce Although the wear and tear did not change the original sliding friction form, it was significantly improved compared with the traditional lubricating oil. The relevant data and effects were gradually recognized by the authoritative testing institutions and the market. The lubricants with nano copper powder added have been sold abroad. The price is very high and the quantity is very small, mainly used for high-end and special occasions.
The green energy that nature gives to humans also includes wind and water. If we improve the lubrication mode, reduce the friction coefficient and the energy consumption of the power generation equipment, increase the output rate, and achieve the balance of economic input, especially the thermal power generation cost lower than the current oil, natural gas and coal, it will fundamentally improve humanity. The power energy structure, which is inexhaustible green energy, will greatly change the destruction of the natural environment caused by the increase in human CO2.
The discovery and application of metallic copper has promoted and changed the human past. Ultrafine copper powder has become a valuable asset for nature, and it will also play a huge role in coping with energy conservation, environmental protection, green economy and the development of many high-tech products.
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