Aqueous epoxy corrosion-resistant coating for mechanical equipment and preparation method of aqueous epoxy corrosion-resistant coating
An epoxy anti-corrosion coating, water-based epoxy technology, applied in the field of coatings, can solve the problems that cannot meet the coating requirements of mechanical equipment products, cannot meet the coating requirements of mechanical equipment, and the adhesion and anti-corrosion performance indicators are not high, so as to avoid coating Film brittle defects, enhanced wetting and adhesion capabilities, and the effect of improving wet adhesion
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[0038] The formula of Example 1 is shown in the following table:
[0039]
Example Embodiment
[0040] The formula of Example 2 is shown in the following table:
[0041]
Example Embodiment
[0042] The formula of Example 3 is shown in the following table:
[0043]
[0044] The preparation method of the coating of the present invention is as follows:
[0045] 1. Preparation of component A
[0046] According to the formula of the above examples 1-3, first add deionized water, slowly add rheological agent under stirring, and disperse at high speed for about 10 minutes until it is a uniform viscous slurry liquid, then add the aqueous epoxy resin emulsion, wetting and dispersing agent Stir with defoamer for 25-30 minutes, then add inorganic anti-rust pigments and pigments, disperse evenly and sand to a fineness of less than 40μm, add organic preservatives and film-forming aids, and prepare component A after filtration. .
[0047] 2. Preparation of component B
[0048] Mix and disperse the water-based polyamine-epoxy resin adduct, deionized water, silane coupling agent, accelerator and reactive epoxy toughening agent according to the formula, and then filter to prepare componen...
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