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Dispersants
Dispersants
In the industry, it is often necessary to blend several substances that are normally immiscible due to their chemical properties (i.e. to promote dispersion). Dispersants enable this process by encouraging the dispersion of solids and suspension of liquid droplets and thus ensuring the flowability of both liquid-liquid and solid-liquid mixtures.
There are many types of dispersants, ranging from conventional polyacrylic acids to highly specialized dispersants that only react to specific pigments.
Industries
One major application of dispersants is in the manufacture of paints and coatings, where particles have to be suspended in a liquid. Dispersants are also widely used in the construction industry as additives in sealants, lubricants and adhesives. Furthermore, they are often added as plasticizers to cement-based and hydrated lime mortar due to their useful properties.
Besides the main applications mentioned above, dispersants also have a positive impact on the production of paper, pulp, rubber and fabrics, i.e. processes where solid and liquid components are required to form a homogeneous mixture as a dispersion.