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Technical Analysis and Application Features of Reflective Thermal Insulation Coatings
Time of Update: 2021-05-07
(approved) 1mm thick reflective thermal insulation coatings reflect about 90%-95% of all heat radiation, which is equivalent to 10mm thick The polystyrene foam with an R value of 20 is inorganic and environmentally friendly and has high temperature resistance and fire protection functions.
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BASF and Omya extend the coatings partnership for the paper and board industry
Time of Update: 2021-05-07
Omya and BASF have decided to extend their existing partnership in the pilot coating center for paper and paperboard.
"For Omya, entering BASF’s test coating center is an important asset for the development of innovative paper and cardboard packaging solutions and their proof of concept.
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This water-based bio-based PUA emulsion can be applied to UV LED curing wood coatings to improve mechanical properties and curing speed
Time of Update: 2021-04-23
(2) In the literature to be interpreted in this issue, researchers have introduced epoxidized soybean oil acrylate (AESO) and pentaerythritol triacrylate (PETA) into ultraviolet light-curable waterborne polyurethane acrylate (PUA), and realized that the coating can achieve 395 nm UV com" href="">Online coatingol.
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Types and applications of coating additives
Time of Update: 2021-04-22
Coating additives are classified according to their functions in the process of processing, storage, construction, and film formation: Improve the performance of the coating production process: wetting agent, dispersant, emulsifier, defoamer, etc.
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The cause and prevention of paint discoloration, painters must see!
Time of Update: 2021-04-22
the reason(1) Some components in the coating react with each other, such as gold powder, aluminum powder and varnish will have an effect, lose the metal luster, the color will turn green, darken the com" href="">coating online coatingol.
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Innovative insulation coating
Time of Update: 2021-04-19
In recent studies, thermal insulation coatings based on microporous particles from Pickering emulsion polymerization have been described.
Improve thermal insulationCompared with traditional hollow glass beads, the coating prepared by adding MPS has higher near-infrared reflectivity, better visible light transmittance and equivalent heat insulation capacity.
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BASF increases production capacity of acrylic dispersants
Time of Update: 2021-04-19
Pasir Gudang's production base is located in the integrated multi-functional Johor Port Free Trade ZoneThe plant will produce acrylic dispersions for use in the coatings, construction, adhesives and packaging industries in the Asia-Pacific region.
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New defoamer for wood coatings: efficient and meets the requirements of eco-label certification
Time of Update: 2021-04-17
To meet this demand, Evonik launched TEGO® Foamex 812: This new type of defoamer achieves a perfect balance of defoaming effectiveness and compatibility while meeting strict regulatory requirements.
Evonik's coating additives business line continues to expand its additive product portfolio to comply with new market trends and meet customer needs and regulatory requirements.
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Where should the future industrial coatings market develop?
Time of Update: 2021-04-17
The shift to environmentally friendly systems, such as water-based systems, high solids, powder coatings and direct metal coatings, is still the general trend.
Therefore, the main difficulty in the development of high solid content systems is how to achieve the best application viscosity under low VOC.
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Polyetheramine is in short supply and prices are rising!
Time of Update: 2021-04-14
Looking back at the entire 2020: In the first half of the year, due to the impact of the new crown epidemic, transportation was restricted, and the sales revenue of com" href="">Akeri dropped slightly year-on-year .
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Swiss Sika acquires DriTac, an American manufacturer of floor adhesives
Time of Update: 2021-04-14
Swiss Sika recently announced the acquisition of DriTac, an American manufacturer of floor adhesives.
The acquisition will help Sika's business development in floor construction and distribution, and strengthen Sika's strength in the American interior market .
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The application of modified connective cellulose MAC in latex paint
Time of Update: 2021-03-16
1 Role of thickeners in latex paint latex paint is mainly a mixture of polymer emulsions and water dispersions of pigment particles, but it is difficult to become a coating between the two, because there is no good storage performance, construction performance, appearance, can not form a good coating film, must add a variety of additives to achieve the desired purpose.
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Effect of thickener synergy on low VOC latex paint performance
Time of Update: 2021-03-16
effect of thickener synergy on low VOC latex paint Jiang Qingmei, Liu Weiwei, Zhang Xinya, Lan Renhua, Chen Huanqin (South China University of Technology School of Chemical and Energy, Guangzhou, Guangdong 51 0640) With the increasing human concern for energy and the environment, countries around the world have strict control of VOCs (volatile organic solvents) in coatings, with environmental protection properties of water-based coatings development and application has undoubtedly become a hot spot for people to study.
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Application of dual-base group structure anti-sink dispersant DAD in matte coatings
Time of Update: 2021-03-16
2.2 DAD has an impact on the dilution stability of matte coatings After diluting the matte coating and controlling its application with a viscosity of 12 s, the effect of D A D anti-sink dispersant with traditional anti-sinking agent (wax paste) and dispersant on the stable storage performance of matte coating after dilution was examined, and the results are shown in Figure 2.
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The study of different dispersants on improving the dispersion effect of titanium dioxide production process
Time of Update: 2021-03-16
Table 4 Dispersion effect of sodium hexaphosphate on different concentrations of raw materials 2 Results and analysis Because the solution viscosity of the same substance at different concentrations is not the same, in order to facilitate comparison of the introduction of dispersion efficiency (ζ) this physical amount, see (1).
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Effect of leveling agent on the appearance of the paint film
Time of Update: 2021-03-15
After adding different types of leveling agents and their compositions to varnish, monochrome and complex paint, this paper compares the properties of the gloss, fog shadow and brightness of the paint film in parallel to discuss the effect of the leveling agent on the appearance of the paint film.
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Effect of ultra-dispersant on yellow UV offset ink performance (2)
Time of Update: 2021-03-15
2 Results and discussion2.1 Determination of the super-dispersant ratio the amount of pigments, fillers, light triggers and monomers in the formula of fixed UV inks, change the dosage or ratio of ultra-dispersants, see Table 2, adjust the amount of pre-dispersion accordingly.
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Application of environmentally friendly multi-function pH regulator SILRES BS198 in water-based coatings (2)
Time of Update: 2021-02-18
2.4 Good storage stability BS198 and organic amine, 10% NaOH storage stability in the above coating system, mainly to investigate the 30 d after the coating in the oven at 50 degrees C viscosity and pH changes, the results can be seen in Figure 7 to Figure 11.
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The mechanism by which starch and pigment additives work in coatings
Time of Update: 2021-02-15
According to Hunt rules, TiO2, ZnO, Fe2O3 and Cr2O3 of metal ions of the electron platoon, d electrons are fully empty, semi-full and full of electron structure is stable, then for chromium ion 3d3 is the most active full-fill state is the most stable, because the electronic orbit is occupied, each orbit of the two electrons are saturated spin state, electrons will not be easily lost.
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Selection of solvents for coatings
Time of Update: 2021-02-07
However, part of the reaction is not desirable, such as in polyurethane paint, if the use of alcohol-containing solvents, which contain hydroxyl and curing agent isocyanate base reaction, affecting cross-linking, while generating low relative molecular mass substances, so that the hardness of the coating film, durability, solvent resistance and other performance is reduced.