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Sep 21, 2016
In many inks and coatings processingproduction process, the need to use surface-active substances to achievespecial effects. Forexample, in the production of water-based paint, water-insoluble base materialproduction, water-insoluble base material is required to deal with the use ofemulsifiers. At the same time,we have to improve substrate wetting and coating pigment dispersion by usingadditives.
Surfactant most importantcharacteristic is that they have a tendency to build in the interface, such asair / water interface. Arrangementof surfactant at the interface depending on their solubility and chemicalstructure. It will reduce theinterfacial surface tension, which allows the system to stabilize. However, surfactants can also bringpeople want to see side effects - stable coatings in the production andconstruction process into the air, forming a stable foam, which is particularlycommon in aqueous coating systems.