Method for quickly preparing super-hydrophobic surface on matrix based on 3D printing
A super-hydrophobic surface, 3D printing technology, applied in the field of 3D printing, can solve the problems of the difficulty of nano-level convex structure and the inability to achieve super-hydrophobicity on the surface of the substrate, and achieve the effect of saving raw materials, improving hydrophobic performance and good hydrophobicity
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[0032] Example 1
[0033] A method for rapidly preparing a superhydrophobic surface on a substrate based on 3D printing, characterized in that it includes the following steps:
[0034] (1) Draw the geometric lattice array surface with drawing software. The lattice array consists of several raised points. The shape of the raised points is columnar, the shape of the lattice array is hexagonal, and the spacing between adjacent lattice arrays is 7 μm. , to obtain a two-dimensional geometric structure model diagram;
[0035] (2) take a substrate, use ethanol to dissolve the substrate surface liquid, and dry it naturally to obtain a clean and dry substrate surface, and then evenly coat a layer of adhesive on the surface of the plastic substrate as a base film;
[0036] (3) 50 parts of silicone-modified acrylic resin, 10 parts of silica microparticles with a particle size of 0.8 μm, 5 parts of silica nanoparticles with a particle size of 80 nm, and silicon dioxide with a particle si...
Example Embodiment
[0042] Example 2
[0043] A method for rapidly preparing a superhydrophobic surface on a substrate based on 3D printing, characterized in that it includes the following steps:
[0044] (1) Use drawing software to draw the surface of geometric lattice array. The lattice array is composed of several raised points. The shape of the raised points is column-like, the shape of the lattice array is square, and the spacing between adjacent lattice arrays is 10 μm. , to obtain a two-dimensional geometric structure model diagram;
[0045] (2) take a substrate, use ethanol to dissolve the substrate surface liquid, and dry it naturally to obtain a clean and dry substrate surface, and then evenly coat a layer of adhesive on the surface of the metal substrate as a base film;
[0046] (3) 52 parts of silicone modified acrylic resin, 52 parts of the printing raw material, 15 parts of silica microparticles with a particle size of 5 μm, 8 parts of silica nanoparticles with a particle size of 2...
Example Embodiment
[0052] Example 3
[0053] A method for rapidly preparing a superhydrophobic surface on a substrate based on 3D printing, characterized in that it includes the following steps:
[0054] (1) Use drawing software to draw the surface of geometric lattice array. The lattice array is composed of several raised points, the shape of the raised points is spherical, the shape of the lattice array is a chaotic lattice, and the spacing between adjacent lattice arrays is 20μm to obtain a two-dimensional geometric model diagram;
[0055] (2) take a substrate, use the water-soluble solution of ethanol to clean the surface liquid of the substrate, and dry it naturally to obtain a clean and dry substrate surface, and then evenly coat a layer of adhesive on the surface of the coating substrate as a base film;
[0056] (3) 55 parts of silicone modified acrylic resin, 20 parts of silica microparticles with a particle size of 8 μm, 10 parts of silica nanoparticles with a particle size of 300 nm, ...
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