Anticorrosive paint composition containing self-emulsifying curing agent and preparation method of anticorrosive paint
A self-emulsifying anti-corrosion coating technology, which is applied in the preparation of organic compounds, anti-corrosion coatings, chemical instruments and methods, etc., can solve problems such as safety and environmental pollution of metal anti-corrosion coatings, achieve unique methods, improve curing effects, and prepare processes simple effect
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Embodiment 1
[0040] 1. The formula of the composition
[0041] 1. Prepare component A and content of composition according to mass percentage:
[0042]
[0043]
[0044] 2. Prepare component B and content of composition according to mass percentage:
[0045]
[0046] 3. Prepare the content of the composition according to the mass ratio: A:B=10:1.
[0047] 2. Preparation method
[0048] Water-based epoxy ester resin, vinyl chloride-vinyl acetate-butyl acrylate resin, vinyl chloride-vinyl acetate resin, mica, talcum powder, defoamer and emulsifier in component A are mixed with deionized water according to the mass ratio Dissolve, stir to form an emulsion, and set aside;
[0049] At a temperature of 50°C and a speed of 1000r / min, grind the emulsion prepared in step 1 on a three-roll mill to a particle size of 0.1-5μm, and place it at room temperature; mix the self-emulsifying curing agent, three Ethylenediamine, diethylenetriamine, sodium nitrite and zinc phosphate are dissolved ...
Embodiment 2
[0053] 1. The formula of the composition
[0054] 1. Prepare component A and content of composition according to mass percentage:
[0055]
[0056]
[0057] 2. Prepare component B and content of composition according to mass percentage:
[0058]
[0059] 3. Prepare the content of the composition according to the mass ratio: A:B=9:1.
[0060] Two, preparation method is the same as embodiment 1
[0061] 3. Beneficial effects
[0062] The composition obtained in this example is coated on the tinplate, and can be cured at room temperature, and it will be dry in 1 hour; the adhesion force measured by the cross-cut method reaches level 1; it is measured by the salt spray test, and there is no obvious corrosion in the salt spray corrosion test after 130 hours lesion.
Embodiment 3
[0064] 1. The formula of the composition
[0065] 1. Prepare component A and content of composition according to mass percentage:
[0066]
[0067] 2. Prepare component B and content of composition according to mass percentage:
[0068]
[0069]
[0070] 3. Prepare the content of the composition according to the mass ratio: A:B=8:1.
[0071] Two, preparation method is the same as embodiment 1
[0072] 3. Beneficial effects
[0073] The composition obtained in this example is coated on the tinplate, and it can be cured at room temperature, and it will be dry in 1 hour; the adhesion force measured by the cross-hatch method reaches level 1; it is measured by the salt spray test, and there is no obvious corrosion in the salt spray corrosion test after 165 hours lesion.
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