Anti-corrosion coating Anti-corrosion coating, generally divided into conventional anti-corrosion coating and heavy anti-corrosion coating, is an important part of China's coating industry. Conventional anti-corrosion coatings are used to prevent corrosion of metals, and protect the life of non-ferrous metals under normal conditions. Heavy anti-corrosion coatings are used in relatively harsh corrosive environments as compared with conventional anti-corrosion coatings. A type of anticorrosive coating that achieves a longer protection period than conventional anticorrosive coatings.
China Anticorrosive Coatings The road ahead Anti-corrosion coating is widely used in the coating of ships, steel, electromechanical and other industries. It is an indispensable part of the Chinese coatings industry and even China's modern industry. The prospect of China's anti-corrosion coating market is huge. With the development of construction, transportation, petrochemical, electric power, and shipbuilding industries, the market scale of anti-corrosion coatings has grown to second place behind architectural coatings and architectural coatings. In 2010, China's heavy anti-corrosion coating industry has achieved brilliant results, and the output and performance of coatings have been greatly improved. In 2010, China’s development speed in containers, shipbuilding, highways, railway projects, energy, petrochemicals, heavy-duty hydraulics, firepower, wind power, and oil exploration exceeded 10%. The anticorrosion requirements of these projects are very high. The amount has also been greatly increased. It is reported that in 2010, the amount of heavy anti-corrosion coating has exceeded 3 million tons, which has become the world's first heavy anti-corrosion coating production and use of the country.
The development of anti-corrosion coatings in China It is understood that the annual loss due to corrosion in China is about 800 billion yuan, accounting for about 3% of GDP. In the United States, Japan, and other developed countries are also facing corrosion problems, according to its report shows that the United States, Japan and other developed countries as a result of economic losses caused by corrosion accounts for about 1% -4% of its GDP, corrosion and rusting steel accounted for about 20% of steel production. Therefore, anti-corrosion research has received more and more attention, and anti-corrosion coatings are the main force in the field of anti-corrosion.
Environmental protection The world’s anti-corrosion coatings are rapidly advancing toward the direction of environmental protection while they are constantly improving. With the continuous improvement of environmental awareness, traditional solvent-based anti-corrosion coatings will gradually be introduced to the market. Instead, it will be high solids anti-corrosive coatings and more environmentally friendly water-based anti-corrosion coatings. Coatings with a volume solids content of 60% or a mass solids content of more than 80% are called high solids coatings. At present, high-solids coatings have been advancing toward solids content of 100%, ie, solvent-free paints. All components of the solvent-free paint formulation system, except for a small amount of volatilization, participate in the curing reaction and form a film, which has little environmental pollution. Water-based anti-corrosion coating uses water as a solvent or dispersion medium, which is non-toxic, odorless, and low in price, which can greatly reduce the harm caused by the evaporation of the coating solvent. At present, water-based anti-corrosion coatings have been successfully applied to ships, containers, railway locomotives, automobiles, building decoration, and transportation bridges. The development of domestic water-based anti-corrosion coatings, like the development of other water-based coatings, is still in its infancy, regardless of whether the coating technology or coating effect still needs to be improved.
High Performance Globally Every year, the losses caused by corrosion are very large. For steel, 30% of the steel in the world is subject to corrosion each year, and 10% of them cannot be used. Although general performance anti-corrosion coatings have certain anti-corrosion performance, It has its limitations in terms of weather resistance, antiseptic effect, and environmental requirements. High-performance anti-corrosion coatings are particularly important at this time. Coupled with the ever-increasing cost pressures, high-performance anti-corrosion coatings are undoubtedly the development direction of anti-corrosion coatings in order to save various costs.
Functionalization With the continuous improvement of industrial and construction industries, the requirements for anti-corrosion coatings are becoming more refined and functional. It has been subdivided into a series of more detailed and more effective anti-corrosion coatings from general anti-corrosion coatings previously used for marine coatings, marine anti-corrosion coatings, bridge anti-corrosion, wind power coatings, and container coatings. For China's inland wind power coatings, due to their special environment and working conditions, they are vulnerable to erosion from ultraviolet light, wind sand, floating dust, rain and fog, among which there are chemical erosion and physical erosion. Therefore, inland wind power coatings should focus on the special properties of UV resistance, rain fog corrosion resistance, sand resistance, and so on. For ship anti-corrosion coatings, rust prevention is the main function of anti-corrosion coatings for ships because of the long-term marine environment. Therefore, the functionalization of anti-corrosion coatings is an inevitable trend.
Conclusion Anti-corrosion coatings have become an important force in the coatings field. Anti-corrosion coatings are playing an increasingly important role and have a promising development prospect. However, traditional products gradually improve and perfect, new products continue to be developed, and it is necessary to adapt to the new standards and requirements in the development of anti-corrosion markets and environmental protection regulations. Authoritatively stated that scientific research on anti-corrosion coatings has already started. Chinese anti-corrosion coatings still have a long way to go!
China Anticorrosive Coatings The road ahead Anti-corrosion coating is widely used in the coating of ships, steel, electromechanical and other industries. It is an indispensable part of the Chinese coatings industry and even China's modern industry. The prospect of China's anti-corrosion coating market is huge. With the development of construction, transportation, petrochemical, electric power, and shipbuilding industries, the market scale of anti-corrosion coatings has grown to second place behind architectural coatings and architectural coatings. In 2010, China's heavy anti-corrosion coating industry has achieved brilliant results, and the output and performance of coatings have been greatly improved. In 2010, China’s development speed in containers, shipbuilding, highways, railway projects, energy, petrochemicals, heavy-duty hydraulics, firepower, wind power, and oil exploration exceeded 10%. The anticorrosion requirements of these projects are very high. The amount has also been greatly increased. It is reported that in 2010, the amount of heavy anti-corrosion coating has exceeded 3 million tons, which has become the world's first heavy anti-corrosion coating production and use of the country.
The development of anti-corrosion coatings in China It is understood that the annual loss due to corrosion in China is about 800 billion yuan, accounting for about 3% of GDP. In the United States, Japan, and other developed countries are also facing corrosion problems, according to its report shows that the United States, Japan and other developed countries as a result of economic losses caused by corrosion accounts for about 1% -4% of its GDP, corrosion and rusting steel accounted for about 20% of steel production. Therefore, anti-corrosion research has received more and more attention, and anti-corrosion coatings are the main force in the field of anti-corrosion.
Environmental protection The world’s anti-corrosion coatings are rapidly advancing toward the direction of environmental protection while they are constantly improving. With the continuous improvement of environmental awareness, traditional solvent-based anti-corrosion coatings will gradually be introduced to the market. Instead, it will be high solids anti-corrosive coatings and more environmentally friendly water-based anti-corrosion coatings. Coatings with a volume solids content of 60% or a mass solids content of more than 80% are called high solids coatings. At present, high-solids coatings have been advancing toward solids content of 100%, ie, solvent-free paints. All components of the solvent-free paint formulation system, except for a small amount of volatilization, participate in the curing reaction and form a film, which has little environmental pollution. Water-based anti-corrosion coating uses water as a solvent or dispersion medium, which is non-toxic, odorless, and low in price, which can greatly reduce the harm caused by the evaporation of the coating solvent. At present, water-based anti-corrosion coatings have been successfully applied to ships, containers, railway locomotives, automobiles, building decoration, and transportation bridges. The development of domestic water-based anti-corrosion coatings, like the development of other water-based coatings, is still in its infancy, regardless of whether the coating technology or coating effect still needs to be improved.
High Performance Globally Every year, the losses caused by corrosion are very large. For steel, 30% of the steel in the world is subject to corrosion each year, and 10% of them cannot be used. Although general performance anti-corrosion coatings have certain anti-corrosion performance, It has its limitations in terms of weather resistance, antiseptic effect, and environmental requirements. High-performance anti-corrosion coatings are particularly important at this time. Coupled with the ever-increasing cost pressures, high-performance anti-corrosion coatings are undoubtedly the development direction of anti-corrosion coatings in order to save various costs.
Functionalization With the continuous improvement of industrial and construction industries, the requirements for anti-corrosion coatings are becoming more refined and functional. It has been subdivided into a series of more detailed and more effective anti-corrosion coatings from general anti-corrosion coatings previously used for marine coatings, marine anti-corrosion coatings, bridge anti-corrosion, wind power coatings, and container coatings. For China's inland wind power coatings, due to their special environment and working conditions, they are vulnerable to erosion from ultraviolet light, wind sand, floating dust, rain and fog, among which there are chemical erosion and physical erosion. Therefore, inland wind power coatings should focus on the special properties of UV resistance, rain fog corrosion resistance, sand resistance, and so on. For ship anti-corrosion coatings, rust prevention is the main function of anti-corrosion coatings for ships because of the long-term marine environment. Therefore, the functionalization of anti-corrosion coatings is an inevitable trend.
Conclusion Anti-corrosion coatings have become an important force in the coatings field. Anti-corrosion coatings are playing an increasingly important role and have a promising development prospect. However, traditional products gradually improve and perfect, new products continue to be developed, and it is necessary to adapt to the new standards and requirements in the development of anti-corrosion markets and environmental protection regulations. Authoritatively stated that scientific research on anti-corrosion coatings has already started. Chinese anti-corrosion coatings still have a long way to go!
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