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In recent years, with the needs of building an environment-friendly society and the improvement of people's living standards, the amount of various packaging materials has increased significantly and become more and more exquisite, and the demand for water-based coatings has increased significantly, especially the application of water-based inks has increased year by year
The rapid development of water-based coatings and inks has led to the development of water-based coating additives and ink additives.
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The main defoamers used in water-based inks are:
(1) Traditional defoamer: mineral oil wax, metal soap,
(2) Polyether block type defoamer: This type of defoamer has excellent compatibility, less paint film surface defects, does not affect gloss and haze, and is suitable for inks with high surface requirements
(3) Silicone defoamer: mainly include emulsion type polysiloxane and polyether modified silicone defoamer
(4) Compound defoamer: mineral oil/wax/organosilicon, mineral oil/hydrophobic particle/organosilicon, organosilicon/hydrophobic particle,