A kind of waterborne anticorrosion coating applied to deep sea environment and its preparation method and application
A technology for anti-corrosion coatings and deep-sea environments, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problem of weakening the physical barrier effect of the sheet, achieve improved physical shielding effect, excellent corrosion resistance, and increase density and the effect of integrity
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[0026] In some more specific embodiments, the preparation method of the titanium carbide nanosheet / nanocellulose composite includes: mixing titanium carbide nanosheets, nanocellulose and a solvent, and then undergoing ultrasonication, distillation, and freeze-drying to obtain The titanium carbide nanosheet / nanocellulose composite.
[0027] In some more specific embodiments, the water-based anti-corrosion coating includes: 80-90 wt% of component A and 10-20 wt% of component B.
[0028] Further, the distillation treatment method includes rotary evaporation treatment.
[0029] Further, the time of the rotary steaming treatment is 20-80 min, and the temperature is 20-80°C.
[0030] Further, the solvent includes any one or a combination of two or more of water, ethanol, and acetone, and is not limited thereto.
[0031] Further, the mass ratio of the titanium carbide nanosheets to the nanocellulose is 0.01-20:1. In some more specific embodiments, the titanium carbide nanosheets i...
Embodiment 1
[0066] (1) Cross-linking reaction of titanium carbide nanosheets and nanocellulose: titanium carbide nanosheets (Ti 3 C 2 ) and nanocellulose were added with distilled water for ultrasonic treatment, then rotary steamed at 50°C for 1 h, and then freeze-dried to obtain a titanium carbide nanosheet / nanocellulose composite; wherein the scanning electron microscope image of the titanium carbide nanosheet is as follows Figure 1a As shown, the scanning electron microscope image of the titanium carbide nanosheet / nanocellulose composite is as follows Figure 1b shown;
[0067] (2) Dispersion of titanium carbide nanosheets / nanocellulose composites: Add the titanium carbide nanosheets / nanocellulose composites obtained in step (1) into absolute ethanol and perform ultrasonic and magnetic stirring to obtain titanium carbide nanosheets. Sheet / nanocellulose composite dispersion;
[0068] (3) Preparation and coating of composite coating: Add PLR 609B water-based epoxy resin emulsion to t...
Embodiment 2
[0072] (1) Cross-linking reaction of titanium carbide nanosheets and nanocellulose: titanium carbide nanosheets (Ti 3 C 2 ) and nanocellulose were added with distilled water for ultrasonic treatment, then rotary steamed at 50° C. for 1 h, and then freeze-dried to obtain a titanium carbide nanosheet / nanocellulose composite;
[0073] (2) Dispersion of titanium carbide nanosheets / nanocellulose composites: Add the titanium carbide nanosheets / nanocellulose composites obtained in step (1) into absolute ethanol and perform ultrasonic and magnetic stirring to obtain titanium carbide nanosheets. Sheet / nanocellulose composite dispersion;
[0074] (3) Preparation and coating of composite coating: AB-EP-20 water-based epoxy resin emulsion is added to the titanium carbide nanosheet / nanocellulose composite dispersion obtained in step (2), and mixed by magnetic stirring For a uniform composite emulsion, the excess solvent is removed by vacuum treatment, and then AB-HZ water-based curing ag...
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