Preparation method of zno nano-coated glass with hydrophobic properties

Abstract

The invention discloses a preparation method of ZnO nano coating glass with hydrophobic property. The preparation method comprises the following steps: firstly, preparing a ZnO composite seed layer sol by use of a sol-gel method; then plating ITO glass with a ZnO composite seed layer film by use of a dip-coating method, and performing thermal treatment at a certain temperature in a muffle furnace; then putting the prepared ZnO composite seed layer film substrate into a ZnO growth solution, performing hydrothermal reaction treatment, and preparing a ZnO nano coating, thereby obtaining a ZnO nano coating glass material with hydrophobic property. According to tests based on an ultraviolet visible spectrophotometer, the obtained ZnO nano coating glass with hydrophobic property has the advantage that the visible light transmittance, the ultraviolet absorption ratio and the shielding efficiency all can be not less than 65%; according to a test based on a contact angle meter (DSA series), the contact angle of the ZnO nano coating glass and water can be not less than 131 degrees. The method provided by the invention is free from secondary harm and beneficial to environmental protection.

Description

technical field [0001] The invention belongs to the field of preparation of hydrophobic coating materials, in particular to a preparation method of ZnO nano-coated glass with hydrophobic properties. Background technique [0002] The contact angle refers to the angle formed between a tangent line drawn by the edge of the solid surface in contact with the liquid surface and the solid plane. We can judge whether the wettability of solid surface is good or not by using the value of contact angle. In daily life, the hydrophobic surface we refer to refers to the surface when the contact angle of the substrate to water is greater than 90°. In recent years, research on hydrophobic glass surfaces has developed rapidly. When the contact angle of water between a water droplet and the glass surface is greater than 90°, we call this glass surface a hydrophobic glass surface. When a droplet is placed on a substrate surface, the droplet will appear in different shapes due to the differen...

AI Technical Summary

Problems solved by technology

However, ordinary glass is not resistant to pollution. With the increasing environmental pollution, people's awareness of the harm caused by environmental deterioration and the requirements for environmental protection are gradually increasing; people use it with environmental protection and use natural conditions to achieve automatic cleaning. , and the demand for green building materials that can beautify the environment is becoming more and more urgent

Images