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The organosilicon additives used in water-based coating systems are divided into two main categories: silane and silicone oil, as shown in Figure 1. Silane is mainly a small molecule compound, usually......
2019-12-02The water-based coatings quickly adapt to people's requirements for environmental protection and low carbon with the characteristics of low volatile organic compound (VOC) release and no hidden fire h......
2019-12-02Water-based coating systems are divided into water-soluble systems and latex systems. In water-soluble systems, the surface tension of the system needs to be strongly reduced. The most commonly use......
2019-11-28The leveling process of powder coating systems is divided into two stages. The first stage is the melting of the powder particles, and the second stage flows into a flat paint film after melting. ......
2019-11-28If degassing and substrate wetting are required, medium or high molecular weight acrylic leveling agents should be selected. In the primer, if stronger substrate wettability is required, consider u......
2019-11-28For a certain formulation system, the appropriate leveling agent should be selected according to the nature of the formula and the performance expected from the leveling agent. 1. When deciding on ......
2019-11-28Acrylic leveling agents include pure acrylic leveling agents and modified acrylic leveling agents. Pure acrylic leveling agents include traditional non-reactive acrylic leveling agents and new func......
2019-11-28First, it can significantly reduce the surface tension of the coating, improve the substrate's wettability of the coating and the fluidity of the paint film, eliminate Benard vortices and prevent bloo......
2019-11-281) Elimination of surface tension gradients; 2) Reduce the surface tension of the system. ● Organic silicon: -Significantly reduced surface tension -Good migration perf......
2019-11-281. The higher the viscosity, the slower the leveling 2. The thicker the coating film, the faster the leveling 3. The higher the surface tension, the faster the leveling......
2019-11-281. Surface tension gradient ------ liquid ------ air interface ● Surface tension gradients of the inner and outer layers cause turbulence ● Elimination of surface tension gradient is the key to obta......
2019-11-28After the coating is applied, there is a flowing and drying film forming process, and then a flat, smooth and uniform coating film is gradually formed. Whether the coating film can achieve flatness an......
2019-11-281. Acrylic emulsion itself is easily stinky. After opening the package, it will be more stinky when contacted with raw water. You can add a fungicide. If it smells like a rotten egg, add it before it ......
2019-11-271. Try a defoamer for the printing glue industry. 2. The thixotropic point needs defoaming and defoaming. Otherwise there are a lot of microbubbles. 3. Try a special defoamer for printing paste 4. ......
2019-11-27The dryness of the ink is an important technical indicator. In addition to the drying speed of the ink, it is also related to the printing speed, the drying capacity of the drying equipment and the pe......
2019-11-27
