A kind of fluorine-free antibacterial transparent superhydrophobic coating, preparation method and application thereof

Abstract

The present invention is directed to the problems existing in the prior art, and provides a fluorine-free antibacterial transparent superhydrophobic coating and a preparation method thereof. The fluorine-free antibacterial transparent superhydrophobic coating provided by the invention comprises inorganic / organic nanoparticles modified by quaternary ammonium salt silane coupling agent, a thermoplastic elastomer and an organic solvent. The preparation method has the advantages of simple process, mild conditions and no complicated equipment. The coating can be applied to various substrates by spraying, dipping, etc., including hard substrates such as glass and polymer films, and soft substrates such as textiles and rubber. The resulting superhydrophobic coating has excellent mechanical / physical / chemical stability, antibacterial properties and superhydrophobicity.

Description

technical field [0001] The invention relates to a paint and its preparation method and application, in particular to a fluorine-free antibacterial transparent super-hydrophobic paint, its preparation method and its application. Background technique [0002] A superhydrophobic surface refers to a surface with a water contact angle greater than 150° and a rolling angle less than 10°, which usually has two characteristics including micro / nanoscale surface structure and low surface energy chemical composition. Due to their great applications in self-cleaning, anti-icing, drag reduction, oil-water separation, etc., superhydrophobic surfaces have attracted great attention from material researchers. Many methods including template method, coating method, etching method, photolithography method, and plasma treatment method have been reported for the preparation of superhydrophobic surfaces, but most of the superhydrophobic surfaces prepared by these methods do not have sufficient st...

AI Technical Summary

Problems solved by technology

However, its preparation process is complicated and there are many steps

[0006] In addition, with the rapid development of stretchable and stretchable functional materials such as flexible electronic devices, sensors, textiles, and filter membranes, superhydrophobic surfaces can The stability of the hydrophobic properties of

Tesler et al. (Nature Communication, 2015, 6, 8649.) used electrodeposition to deposit nanoporous tungsten oxide onto the steel surface, and prepared a superhydrophobic steel material that can withstand 10 times of 180° bending deformation without losing superhydrophobic properties. The preparation process requires complex equipment and special substrates, which is not universal

[0007] Although a large number of methods and processes have been used for the development of mechanically stable superhydrophobic surfaces, the existing preparation methods have problems such as harsh conditions, complicated preparation process, not enough green environmental protection, single choice of substrate, and limited application range.

Images