The effect of leveling agents on pigment dispersion

The effect of leveling agent on pigment dispersion:

This leveling agent can be used as a pigment wetting agent to disperse low surface energy pigments in high surface energy media, improve pigment wetting efficiency, and shorten grinding time. Increase the concentration of the color paste. This also contributes to the storage stability of pigments. However, using pigment wetting and dispersing agents as base wetting agents may not necessarily be effective.

Leveling agents and pigment wetting have similarities and differences: the former is a spreading work, while the latter is an impregnating work. The commonality between the two is the reduction of solid/liquid interfacial tension. However, the conditions and outcomes of the actions are different. Substrate wetting is related to three interfaces, which are interfaces of three different media. The desired effect is the diffusion of liquid onto a solid to form a thin film. Pigment dispersion wetting is immersion wetting that is only related to two interfaces. It is the relationship between the interface of two different media in the same solvent. The final requirement is for the pigment to be stably dispersed in the solvent

Especially in aqueous systems, pigment wetting and dispersing agents cannot usually be used as matrix wetting agents, but matrix wetting agents can be used as pigment wetting agents.