Composite anti-corrosive coating and preparation method thereof
A technology of anti-corrosion coatings and raw materials, applied in anti-corrosion coatings, coatings, etc., can solve problems such as weak weather resistance and poor anti-ultraviolet exposure ability
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[0041] The present invention also provides a preparation method of the composite anticorrosion coating described in the above technical solution, comprising:
[0042] Mix magnesium oxide, magnesium sulfate, water, modifier, anti-crack agent, auxiliary agent and functional filler to obtain composite anticorrosion coating.
[0043] Wherein, the types and amounts of the magnesium oxide, magnesium sulfate, water, modifiers, anti-cracking agents, auxiliary agents and functional fillers are consistent with those described in the above technical solution, and will not be repeated here. The mixing method is not particularly limited, as long as each component can be mixed evenly, such as stirring and mixing. During the mixing process, it is preferable to mix water and magnesium sulfate first, and then add modifiers, anti-cracking agents, auxiliary agents, functional fillers and magnesium oxide for mixing. After the above mixing, a composite anti-corrosion coating is obtained.
[0044]...
Embodiment 1
[0049] 1. Raw materials:
[0050]
[0051] in:
[0052] The modifiers are: 40 parts of methyl cellulose, 45 parts of citric acid, 20 parts of phosphoric acid, and 30 parts of water glass.
[0053] 2. Preparation:
[0054] After mixing water and magnesium sulfate heptahydrate, add modifiers, anti-cracking agents, additives, functional fillers and magnesium oxide, and stir evenly to obtain composite anti-corrosion coatings.
Embodiment 2
[0056] 1. Raw materials:
[0057]
[0058]
[0059] in:
[0060] Modifiers are: 40 parts of methyl cellulose, 45 parts of citric acid, 30 parts of phosphoric acid, and 20 parts of water glass.
[0061] 2, preparation: with embodiment 1.
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