Pigment Carbon black dispersion significance.
Pigment Carbon Blacks in the application process must comply with the optical properties of dispersed particles state , black is the most difficult of all the pigment dispersion of a pigment , so the carbon black dispersion will directly affect the quality of carbon black , Hue and the ability to cover a direct impact on the end user 's use of effects.
Carbon black dispersion process is mainly affected by three factors
a) the nature of the carbon black features: carbon black primary particle size , structure and surface various groups will have a huge impact on the dispersion . Typically, the primary particle size of carbon black small, the structure is low, low volatile difficult to disperse , and vice versa are relatively easy.
b) User recipe : Carbon black formulations user , the base material , the solvent and the resin properties are very significant impact on the final dispersion of the carbon black , particularly the choice of carbon black with a resin.
c) dispersing device : the type of dispersing apparatus under the same conditions, the dispersion effect is completely different . Correct selection of dispersing equipment is the user must pay attention to .
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