The method of texturing the surfaces of various materials, the method of imparting superhydrophobic properties to the surface of a hydrophobic material, the method of imparting superhydrophobic properties to the surface of a hydrophilic material

摘要

1. The method of texturing the surfaces of various materials by laser processing to give these surfaces superhydrophobic properties, characterized in that for the formation on the surface of multimodal roughness with dimensions simultaneously in the nanometer and micrometer ranges, the surface is treated with a laser having a pulse duration in the nanosecond interval. 2. A method of imparting superhydrophobic surface properties to a hydrophobic material, characterized in that the surface is textured by the nanosecond laser processing method according to claim 1.3. The method according to claim 2, characterized in that to impart superhydrophobic properties of the surface of the siloxane rubber, texturing of its surface is carried out by a laser beam with the following parameters: wavelength 1064 nm, pulse duration 50-100 ns, average rated power 10-20 W, linear speed beam displacements 100-500 mm / s, pulse repetition rate 20-50 kHz, pattern density 10-20 lines / mm. 4. A method of imparting superhydrophobic surface properties to a hydrophilic material, including surface texturing and its subsequent hydrophobization, characterized in that the surface texturing is carried out by the nanosecond laser processing method according to claim 1.5. The method according to claim 4, characterized in that to impart superhydrophobic properties of the stainless steel surface, the surface is textured with a laser beam with the following parameters: wavelength 1064 nm, pulse duration 50-200 ns, average rated power 15-20 W, linear displacement speed beam 50-150 mm / s, pulse repetition rate 20-90 kHz, pattern density - 10-20 lines / mm, after