What is the difference between a wetting agent and a dispersant?
Wet dispersants can shorten the dispersion and grinding time of pigments and fillers during the coating production process, and keep the pigments and fillers in the coating in a stable dispersion state for a long time. They can even play a decisive role in certain properties of the coating.
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Analysis of 5 situations when pigment carbon black is not well dispersed
The purpose of dispersing pigment carbon black is to make it uniformly distributed in the carrier. The difference in distribution will directly affect the hue, blackness and hiding power of the product.
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Difficulties in dispersing organic/carbon black pigments
In the application of organic/carbon black pigments, unstable color intensity, poor carbon blackness and color, uneven pigment distribution and even clogging of the filter screen often occur. These problems are actually caused by poor dispersion.
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Carbon black dispersion problem in rubber products
The problem of carbon black dispersion in rubber products means that the carbon black added during rubber mixing is unevenly dispersed in the rubber, resulting in a decrease in the performance of the rubber products.
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Effect of dispersants on coatings
●Glossiness:
If the gloss of the paint is to be high, the particles contained in it should not be larger than 5 microns, and the ink should not even be larger than 1 micron. Polymer dispersants can reduce the large particles formed in the paint and help the paint improve its gloss.
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What is “ashless dispersant”?
When the internal combustion engine is working, the engine oil is subjected to high temperature and high pressure. It comes into contact with oxygen and various metals to undergo oxidative condensation and decomposition, forming a series of substances that will be deposited and attached to the engine parts in the form of carbon deposits, paint films and sludge, making the engine work
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