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The development of waterborne Nowadays, the structure of paints in the world is developing toward the reduction of VOCs, and waterborne coatings are one of the development directions. The proportion of traditional Chinese solvent-based paints has gradually declined, and the development speed of water-based paints is also fast, but low-grade polyvinyl alcohols still account for a large proportion. Increasing the quality of waterborne coatings and developing new ones are important links for consolidating and developing waterborne coatings. The focus of research and development should be based on vinyl acetate-acrylic copolymer emulsion, styrene-acrylic copolymer emulsion and pure acrylic series based latex paint, and strive for durability, paint film smoothness, fullness, construction, Some breakthroughs have been made in terms of decorative properties; for water-based binders of more mature epoxy emulsions and waterborne polyurethanes, high-performance aqueous coatings should continue to be studied to meet certain special requirements.
In addition to the current functional development of functional coatings such as fire prevention, anti-virus, pest control, insecticides, thermal insulation and other low-level functional coatings, efforts should be made to research and solve architectural decoration. Difficulties, new issues. Compounding technology will be an effective way to improve and satisfy various functions.
The combination of functions, such as the elastic function and the respiratory function, combines the excellent elastic emulsion with the hydrophilic surface-modified microshell (ultrafine particles) to make the elasticity and moisture permeability coexist, and the elasticity function and the low-pollution function are combined. The room temperature reaction type emulsion is compounded with a hydrophilic film coating technique, and by using a cross-linked reaction latex having a large molecular weight, the elongation and the film density are improved, and the elastic function and the low-staining property are combined.
Strengthen the basic research on acid rain-resistant coatings to solve the problem of acid rain corrosion in buildings, strive to achieve breakthroughs in the matching of base compound technology and related additives, and resolve the increasingly serious problem of acid rain on buildings.
As an ideal coating performance, not only to protect and beautify the substrate, but also give the substrate itself can not have the special features, use some new base material can make the coating get a very amazing performance, high value-added, advanced The effects, such as high weather resistance fluororesin coatings, have been used to achieve good results in construction.
Focuses on the development of water-based fluorocarbon resins, especially fluoropolymer-modified copolymer emulsions based on fluoroethylene, making it a high-quality base material with good performance, high quality, and affordable price. To lay the foundation for the development of high-performance, high-grade coatings. In the research of waterborne polyurethane coatings, we should concentrate on developing products. Polyurethane is one of the high-grade materials with excellent properties, making it water-based, not only meets the requirements of reducing pollution and saving energy, but also maintains the characteristics of polyurethane itself.
In addition, the silicone-modified acrylic resin coating is an important direction for the development of Chinese architectural coatings due to its excellent weatherability, stain resistance, and chemical resistance. Due to its non-toxicity and good safety performance, powder coatings will also be one of the development directions of high-grade architectural coatings.
International paint industry presents three major development directions
With the rapid development of the world's paint industry, new technologies and new products emerge in endlessly, and the market competition has become increasingly fierce. The international architectural coatings industry presents three major development trends: