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Functionalization and waterborne are the development trend of coatings industry
Release time:
2019-09-06
With the improvement of the level of economic development and science and technology, people's requirements for life have gradually increased. In recent years, there have been continuous cases of diseases caused by decoration. For home decoration necessities, coatings are also undergoing innovation. People are no longer satisfied with aesthetics., More inclined to its environmental protection and functionality to meet people's health, environmental protection and aesthetic needs.
towards functional development
At present, in addition to fire prevention, anti-virus, anti-insect, insecticidal, thermal insulation and other existing low-quality functional coatings to increase efforts to carry out scientific research, but also should step up research and solve the difficult and new problems in architectural decoration. Composite technology will be an effective way to improve and meet all kinds of functions.
First, the function of the composite. Such as elastic function and respiratory function composite: the excellent elastic emulsion and hydrophilic functional group surface modified microshell ultrafine particles composite, so that the elastic ability and moisture permeability coexist. The combination of elastic function and low pollution function: the normal temperature reaction emulsion and the coating hydrophilic technology are combined, and the elongation and film density are improved by using the reaction latex with large cross-linked molecular weight, so that the elastic function is combined with low pollution.
Second, strengthen the basic research on acid rain-resistant coatings, solve the problem of acid rain corrosion of buildings, and strive to make a breakthrough in the matching of base material composite technology and related additives, and solve the increasingly serious acid rain corrosion of buildings in China. Big problem.
Third, the modified function of the base material is compounded, and the existing base material is modified with some special properties and compounded with special functions. For example, the weatherability of silicone modified acrylic is combined with the moisture permeability of moisture-cured polyurethane to achieve dual special functions.
water-based development
Now the world paint variety structure toward the direction of reducing voc, water-based paint is one of the development direction. The proportion of traditional solvent-based coatings in China is gradually declining, and the development speed of water-based coatings is also very fast, but the low-grade varieties of polyvinyl alcohol still account for a large proportion. Improving the quality of waterborne coatings and developing new varieties are important links in consolidating and developing waterborne coatings. The key research and development should be based on vinyl acetate-acrylic copolymer emulsion, styrene-acrylic copolymer emulsion and pure acrylic series of latex coatings, and strive for a breakthrough in durability, paint film smoothness, fullness, construction, decoration and other aspects; for the more mature epoxy emulsion, waterborne polyurethane waterborne base material should continue to study with high performance waterborne coatings to meet some of the special requirements.
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