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The application of EEP in electrostatic spray coating

Date  2020-07-04 22:25:14 Shenzhen Prechem New Materials Co., Ltd Views

EEP (Ethyl 3-ethoxypropionate) has a high resistivity. Traditional electrostatic spraying coatings hope to adjust the resistivity of coatings to 0.6-1.0 Euros because the resistivity affects the atomization characteristics of coatings and the transfer efficiency of electrostatic spraying. However, this is a difficult problem for metallic flash coatings. EEP solvent can not only obtain high resistivity, but also obtain excellent solubility. In addition, because of its rapid diffusion and escape from the coating film, it can also get a faster drying speed, which makes it show unique advantages in its application in single/two-component coatings and volatile coatings.

EEP and other solvents greatly improve the construction and other comprehensive properties of coatings. Eep (ethyl 3-ethoxypropionate) is a kind of low volatile ether ester solvent with soft smell, low viscosity, low surface tension, high resistivity, no pollution and harmlessness, but strong solubility, permeability and excellent compatibility. The solvent has ether ester active group, linear structure and propionyl group in the middle of the molecule. These characteristics make the solvent have unique properties that other solvents do not have, such as slow volatilization rate, which is not easy to cause solvent cracking in baking application. For many polymers (resin, binder), it has excellent solubility, giving polymers good fluidity and leveling; The solution has low viscosity (relative to its evaporation rate) and good solvent release; The linear structure can improve the gas release effect and apparent effect in coating spraying application. EEP solvent has the special color fixing function of preventing silver powder from returning to coarseness, blackening and yellowing, and effectively preventing aluminum silver paste from settling. Because of these characteristics, EEP is used in many coating systems, which greatly improves the comprehensive quality of coatings. EEP is an important organic solvent and organic synthesis intermediate.