Effect of surface tension difference on floatation of paint
The influence of the surface tension difference on the floatation of the paint in the ordinary color mixing, it is often found that some color paste in the white base paint is difficult to disperse evenly, soon there is color separation or floating phenomenon, or paint can not open the effect. In the process of making paint, the making of white paste is different from that of color paste,
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The main factor of pigment florescence
In the process of paint production and application, we often meet the problem of floating color, when the paint appears floating color, the color and the standard board produce color difference, color mixing becomes very difficult, it is a waste of paint and color mixing is not accurate, at the same time, the paint can be opened very bad, and paint dry after the application of film color deviation and it is difficult to paint uniform
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What are the main components of dispersants
dispersant is generally divided into inorganic dispersant and organic dispersant two categories:
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What are the functions of water-based paint dispersants?
Water-based paint is also the first choice product when we decorate our homes, because its material is environmentally friendly and it is also very good for our decoration. But the material composition inside is also very particular, among which dispersant is indispensable. With it, our decoration will be more effective.
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Commonly used dispersants include the following categories
Surfactant. Surfactants are composed of lipophilic and hydrophilic groups and are amphipathic molecules, including long-chain fatty acids, cetyltrimethylammonium bromide (CTAB), etc. The main function of this type of dispersant is the steric hindrance effect. The hydrophilic group is adsorbed on the surface of the powder and the hydrophobic chain extends into the solvent, which has a good effect on improving the rheology of the slurry. CTAB and dioctadecyldimethylammonium chloride (DDAC) can significantly improve the dispersion of bentonite in water.
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What role does dispersant play in refractory castables?
The construction performance of refractory castables depends on its thixotropy and fluidity. In order to improve the fluidity of refractory castables, an effective measure is to increase water consumption.
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