particle size distribution jan 2015
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1www.ultrasonicprocessing.com S. 1.
“Particle Size Distribution”
Revision 6. March 2015
2015
2www.ultrasonicprocessing.com S. 2.
“We see colour via 3 different aspects”
Revision 5. January 2015
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“Particle Size Distribution”
And Ultrasonic Dispersion
www.ultrasonicprocessing.com S. 3.
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7www.ultrasonicprocessing.com
Particle Size Distribution. D10, D50, D90.
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Several problems arose when grinding or dispersing pigments and extenders.
Ken Marx. [email protected]. 9.
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Before answering the questions look at.
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Some pigment particle size requirements.
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Why ½ the wave length of the colour/light?
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Titanium Extenders.
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Crowding, spacing and cost reduction.
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What is an easy to disperse pigment?
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More on pigment optimum particle sizes
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Properties that are dependant on particle size
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We often need to mill pigments well below the micron size.
Note 1000nm = 1 micron and 10, 000 micron = 1 cm.
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Colour Cyan Magenta Yellow Black Blue Red
Ave.Particle Size <100nm <100nm <100nm <100nm <100nm <100nm
Inkjet Inks.
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Modern dispersion and test equipment
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Modern dispersion and test equipment. 2.
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Modern dispersion and test equipment. 3.
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The solution for the future paint and Ink industry.
www.ultrasonicprocessing.com
Ken Marx. [email protected]
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