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Application progress of acrylic-based water-based metal anti-corrosion coatings
Source:iotachem.com
PostTime:2022-11-16 16:25:25
In the field of industrial corrosion protection, anti-corrosion coatings are the most widely used and effective protective measures due to their low cost, strong applicability, and convenient construction. Traditional industrial anti-corrosion coatings mostly use high-performance, high-volatile organic compound (VOC) solvent-based resins such as epoxy resins, acrylic resins, and polyurethane resins as film-forming materials, and inexpensive inorganic powders such as silicon, carbonate, and silicate. , iron red, zinc powder, etc. as fillers. In the process of curing and film formation, toxic organic solvents will volatilize into the air, causing certain harm to the human body and the atmospheric environment.

Since the beginning of the 21st century, as the problem of environmental pollution has become increasingly prominent, the world has strictly restricted the content of VOCs in the atmosphere, which has also driven the continuous transformation and upgrading of industrial anti-corrosion coatings towards environmental protection goals, and water-based coatings have also emerged as the times require. It has become one of the important directions in the field of paint research and development.
At present, in the fields of architectural decoration, light industry and other fields, the water-based technology and market application of conventional coatings have been relatively mature, and have gradually replaced traditional solvent-based coatings. However, in the field of industrial anti-corrosion, especially in the field of heavy anti-corrosion, the harsh corrosive environment has more stringent requirements on the corrosion resistance of coatings. The overall performance of water-based coatings in this environment (including technology research and development and market applications, etc.) There is still a big gap in anti-corrosion coatings.

Water-based acrylic monomer or polymer resin has excellent chemical resistance, corrosion resistance and other characteristics, and has good compatibility with other types of resins or polymers. Modified with other resins to make it have the characteristics of each component and improve the overall performance of water-based acrylic coatings. Researchers at home and abroad have made some progress and achievements in this field in recent years, and new technologies such as polymerization and grafting are also becoming mature, and some research results are gradually being applied to the market.
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