Long-acting super-hydrophobic coating resistant to water pressure impact and preparation method thereof

A method for preparing a long-acting super-hydrophobic coating resistant to water pressure impact, comprising steps of:

• preparation of an array nanorod structure by:
• mixing a deionized water with a concentration of 10% to 37.5% of a hydrochloric acid or mixing a deionized water with a sodium hydroxide;
• then adding a titanium source or a zinc source, stirring to be prepared into a mixed solution, which is added to a reaction kettle;
• and placing a conductive glass or a silicon wafer having a seed crystal of zinc oxide into the reaction kettle for hydrothermal reaction to prepare the array nanorod structure;
• wherein a hydrothermal time is 3 hours to 12 hours and a hydrothermal temperature is 100° C. to 180° C.;
• preparation of an array nanopore structure by:
• washing an aluminum plate in a mixed solution of ethanol and acetone;
• polishing the cleaned aluminum plate;
• and anodizing the aluminum plate to obtain a substrate having the array nanopore structure;
• preparation of a sample comprising a micron network structure by:
• dissolving a high molecular polymer in an organic solvent;
• constructing the micron network structure by an electrostatic spinning or a hot melt spraying on a prepared surface of the substrate having a nano network structure;
• then a heat treatment of a multi-stage structure at 160° C. to 270° C. for 30 minutes to 240 minutes to improve a bonding force between the micron network structure and the nano network structure;
• wherein the nano network structure is prepared by the electrostatic spinning at a voltage from 15000V to 30000V for 1 hour to 5 hours;
• and wherein the nano network structure is prepared by the hot melt spraying at a temperature between 150 to 250° C.;
• and
• low surface energy treatment by:
• immersing the sample in a solution containing a low surface energy substance;
• and after a predetermined period of time of an ultrasonic treatment, the sample is oven-dried to obtain the long-acting super-hydrophobic coating resistant to water pressure impact, wherein the long-acting super-hydrophobic coating resistant to water pressure impact comprises:
• a conductive substrate;
• and raw materials in parts by weight:
• 1 part to 10 parts of a titanium source or 1 part to 10 parts of a zinc source, 40 parts to 100 parts of a deionized water, 20 parts to 50 parts of a hydrochloric acid or 20 parts to 40 parts of a sodium hydroxide, 1 part to 10 parts of an electrolyte, 1 part to 10 parts of a low surface energy modifier, 10 parts to 20 parts of a high molecular polymer, 1 part to 5 parts of a carbon nanotube and 70 parts to 100 parts of an organic solvent.