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Pigment Dispersion perparation

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12/1/2016 Steric stabilization<br />

One of the most important steps in the production of pigmented coatings is the<br />

homogeneous distribution of solid pigments within the liquid binder solution. If this<br />

pigment grinding step is not optimized, a wide variety of defects can occur:<br />

Flocculation (/en/wetting-and-dispersing/deflocculating-wetting-and-dispersingadditives/)<br />

Gloss reduction<br />

Color shift<br />

Separation, (/en/wetting-and-dispersing/prevention-of-floating/)<br />

formation of Bénard cells (/en/wetting-and-dispersing/prevention-of-floating/)<br />

Settling.<br />

Properties related to the flow characteristics of the coating system, such as<br />

Sagging<br />

Leveling<br />

can also be negatively affected.<br />

http://ebooks.byk.com/en/wetting­and­dispersing/steric­stabilization/ 2/20

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