A method for preparing translucent silicone rubber superhydrophobic self-cleaning surface by pulsed laser
A pulse laser and rubber surface technology, which is applied in laser welding equipment, manufacturing tools, welding equipment, etc., can solve the problem of antifouling and insulation of silicone rubber products, and the hydrophobicity of silicone rubber is not high enough to completely prevent the adsorption of moisture and pollutants and other issues, to achieve the effect of cost green environmental protection, small laser energy loss and low cost
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Embodiment 1
[0037] Step 1. Polish the surface of the 304 stainless steel reflector to obtain a surface with a roughness Ra=0.0046 μm, clean and dry the surface of the polished stainless steel reflector;
[0038] Step 2. Using a pulsed laser with a wavelength of 1064 nm, laser scanning is performed on the surface of the translucent silicone rubber sample. During processing, the translucent silicone rubber sample is placed on the surface of the stainless steel reflector, and when the pulsed laser is irradiated on the upper surface of the sample, the pulsed laser will pass through the sample, reflected by the stainless steel surface and irradiated on the lower surface of the sample. The pulse width of the laser is 240ns, the single pulse energy is 0.25mJ, and the repetition frequency is 160kHz. Using the galvanometer system, the pulsed laser beam is irradiated row by row at the speed of 2242mm / s on the surface of the translucent silicone rubber sample, translucent The processing range of sil...
Embodiment 2
[0044] Step 1. Polish the surface of the aluminum reflector to obtain a surface with a roughness of Ra=0.584 μm, clean and dry the polished aluminum surface;
[0045] Step 2. Using a pulsed laser with a wavelength of 1064 nm, laser scanning is performed on the upper surface of the translucent silicone rubber sample. During processing, the translucent silicone rubber sample is placed on the surface of the aluminum reflector, and when the pulsed laser is irradiated on the upper surface of the translucent silicone rubber sample, the pulse laser will pass through the translucent silicone rubber sample, reflected by the surface of the aluminum reflector and irradiated on the surface of the translucent silicone rubber sample. The lower surface of a translucent silicone rubber sample. The pulse width of the laser is 80ns, the single pulse energy is 0.46mJ, and the repetition frequency is 87kHz. The galvanometer system is used to make the pulsed laser beam irradiate the surface of the...
Embodiment 3
[0051] Step 1. Polish the surface of the stainless steel reflective plate to obtain a surface with a roughness of Ra=0.0046 μm, clean and dry the surface of the polished stainless steel reflective plate;
[0052] Step 2. Using a pulsed laser with a wavelength of 1064 nm, laser scanning is performed on the surface of the translucent silicone rubber sample. When processing, the translucent silicone rubber sample is placed on the surface of stainless steel, and when the pulsed laser is irradiated on the upper surface of the translucent silicone rubber sample, the pulsed laser will pass through the translucent silicone rubber sample, reflect on the surface of the stainless steel reflector and irradiate on the translucent silicone rubber. the lower surface of the sample. The pulse width of the laser is 13ns, the single pulse energy is 0.1mJ, and the repetition frequency is 400kHz. Using the galvanometer system, the pulsed laser beam is irradiated row by column at the speed of 4500m...
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