This section provides an overview for dispersers as well as their applications and principles. Also, please take a look at the list of 11 disperser manufacturers and their company rankings.
Table of Contents
Dispersers are devices used to disperse a target substance in a liquid or gas.
Dispersers in liquid are devices that disperse by fluctuating speed, collision with beads or agitator blades, or ultrasonic waves.
Airborne Dispersers include ejector type dispersers, venturi type dispersers, orifices, etc. These are devices that disperse target substances into gas by pulverizing their agglomerates.
Dispersers are used in a wide variety of fields, including inks, paints, chemicals, electronic materials, and food products.
The production of inks and paints is a typical example of the use of dispersers. Pigments, which are the main raw materials for these products, are usually dried and agglomerated, so they must be dispersed in a solvent during the manufacturing process.
Particle size, particle size distribution, and particle shape play a major role in the performance of pigments.
Dispersers use a variety of dispersion methods, depending on the type of equipment used. methods, shearing action and impact/impact action are basically used for dispersion.
In a high-speed rotary shear agitator, colloid mill, or roll mill, strong shear stress is generated in the gap between the rotor and outer casing. Aggregates of particles or the particles themselves are made finer and dispersed by this shear stress. To increase the generated shear stress, it is effective to speed up the shear and increase the viscosity of the solvent.
In agitator tanks, vessel-driven mills, and media stirred mills, impact and collision actions are mainly used. The impact can be increased by increasing the speed of the agitation or medium.
*Including some distributors, etc.
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