Multifunctional multi-stage nanocone array structure coating with multi-band stealth and super-hydrophobic characteristics and preparation method of multifunctional multi-stage nanocone array structure coating
A multi-functional coating and nano-array technology, applied in coatings, radiation-absorbing coatings, camouflage coatings, etc., can solve the problem of inability to effectively achieve multi-band stealth performance and hydrophobic performance, energy sources that do not meet the development trend of energy conservation and environmental protection, coating The layer does not have the self-deicing ability and other problems, and achieves good microwave absorption performance, accelerated deicing efficiency, and low manufacturing cost.
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Embodiment 1
[0039] A multi-functional multi-level nanocone array structure coating with multi-band stealth and super-hydrophobic properties and a preparation method thereof, comprising the following steps:
[0040] (1) Take the metal material as the base material, and cut the base material into a square with a side length of 5cm, and use an alcohol solution with a concentration of 50% to clean the surface of the base material, and dry it for later use;
[0041] (2) Spread the MXene aqueous solution with a monolayer diameter of less than 500 nm with a molar concentration of 5% on the surface of the substrate, use a mold to control the thickness of the aqueous solution, remove water by directional freeze-drying technology, and retain the MXene self-assembly to form a nanocone structure array. Height 30μm;
[0042] (3) The nano-carbon black and nano-silica powder are respectively subjected to surface functionalization treatment in a fluorosilane / isopropanol solution with a molar concentratio...
Embodiment 2
[0047] A multi-functional multi-level nanocone array structure coating with multi-band stealth and super-hydrophobic properties and a preparation method thereof, comprising the following steps:
[0048] (1) Take the polymer material as the base material, and cut the base material into a square with a side length of 5cm, and use an alcohol solution with a molar concentration of 50% to clean the surface of the base material, and dry it for later use;
[0049] (2) Spread the MXene aqueous solution with a monolayer diameter of less than 500 nm with a molar concentration of 10% on the surface of the substrate, control the thickness of the aqueous solution with a mold, remove water by directional freeze-drying technology, and retain the self-assembly of MXene to form a nanocone structure array. Height 30μm;
[0050] (3) The nano-carbon black and nano-silica powder are respectively subjected to surface functionalization treatment in a fluorosilane / isopropanol solution with a molar co...
Embodiment 3
[0055] A multi-functional multi-level nanocone array structure coating with multi-band stealth and super-hydrophobic properties and a preparation method thereof, comprising the following steps:
[0056] (1) Take two materials of metal and polymer as the base material respectively, and cut the base material into a square with a side length of 5cm, and use an alcohol solution with a molar concentration of 50% to clean the surface of the base material, and dry it for later use;
[0057] (2) Spread the MXene aqueous solution with a monolayer diameter of less than 500 nm with a molar concentration of 7% on the surface of the substrate, control the thickness of the aqueous solution with a mold, remove water by directional freeze-drying technology, and retain the MXene self-assembly to form a nanocone structure array. Height 30μm;
[0058] (3) The nano-carbon black and nano-silica powder are respectively subjected to surface functionalization treatment in a fluorosilane / isopropanol s...
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