The dispersion state, particle size and distribution of organic pigment directly affect its application performance.                Generally speaking, the better the dispersion of organic pigments, the higher of  the coloring strength and hiding power.

     Because the coloring and covering of the  pigment is achieved through the complex effect of its surface and light. The pigment is well dispersed, its average particle size is small, and the specific surface area is large. The effect on the light is strong, and the appearance of the colored product will be better. It looks uniform and delicate, with less stains and little color difference. In addition, the amount of pigment can be reduced when the same coloring and hiding effect is achieved, thereby reducing the coloring cost.

    Organic pigment dispersion is to break the pigment particle agglomerates under the action of external force, so that it can display the various properties of the pigment itself as perfectly as possible in the application system. When the pigment is dispersed, the attraction between the pigment molecules must be overcome to disperse the particles. The dispersed fine particles also need to remain stable to prevent them from re-aggregating. Therefore, producers and users always strive to make pigment products that are easy to disperse. Depending on the application, different dispersion equipment can be used for dispersion and grinding, usually mechanical dispersion.

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