Anti-icing material with electrothermal photothermal conversion capability and wear-resistant and super-hydrophobic multiple properties as well as preparation method and application of anti-icing material

Abstract

The invention provides an anti-icing material with electrothermal photothermal conversion capability and wear-resistant and super-hydrophobic multiple properties as well as a preparation method and application of the anti-icing material, and relates to the technical field of functional coating materials. The anti-icing material with the electrothermal photo-thermal conversion capability and the wear-resistant and super-hydrophobic multiple properties comprises an insulating layer and an electrothermal photo-thermal super-hydrophobic coating which are sequentially arranged on the surface of a base material layer from bottom to top; parallel electrodes are arranged between the insulating layer and the electrothermal photo-thermal super-hydrophobic coating; the electrothermal photo-thermal super-hydrophobic coating is obtained by curing raw materials including a fluorinated graft polymer matrix, nano conductive particles, nano photo-thermal particles, nano hydrophobic particles, a fluorine ammonium salt curing agent and an organic solvent. According to the anti-icing material provided by the invention, a single material simultaneously has multiple properties of electric heating, photo-thermal conversion capability, wear resistance and super hydrophobicity, multiple anti-icing and de-icing modes are combined, anti-icing and energy saving can be effectively realized, and the anti-icing material can be applied to the anti-icing and de-icing fields of fan blades, aircrafts and the like.

Description

technical field [0001] The invention relates to the technical field of functional coating materials, in particular to an anti-icing material with multiple properties of electrothermal-photothermal conversion and wear-resistant super-hydrophobicity, a preparation method and application thereof. Background technique [0002] Aircraft icing is the phenomenon in which a layer of ice builds up on the surface of an aircraft's components as it flies in the atmosphere. The icing on the leading edge of the aircraft wing, tail, and the leading edge of the engine inlet will seriously affect the safety of the aircraft and cause great damage to the flight performance; the icing of the wind turbine blades will change the wind turbine blades frequency, and then change its dynamic response behavior, which seriously affects the efficiency of the generator; the icing of the chassis of the high-speed rail on the alpine line will also seriously affect the safety of the high-speed rail. [0003...

AI Technical Summary

Problems solved by technology

Passive anti-icing technologies mainly include coating super-hydrophobic surfaces and super-slippery surfaces, etc. Among them, super-hydrophobic surfaces (such as silicon dioxide fluorinated grafted surfaces) can reduce the adhesion of icing, and in the case of static icing, it can greatly Delay the icing time; however, the superhydrophobic surface cannot achieve complete anti-icing under the condition of dynamic icing, and the durability of the superhydrophobic surface is still the main problem of its engineering application

Active anti-icing includes air heating, electric heating, photothermal and other technologies. Traditional air heating technology cannot meet the needs of composite materials with low temperature resistance and low carrying capacity of drones due to high temperature of hot air and high energy consumption. The heating technology can form a water film on the interface between the ice layer and the substrate through Joule heat, thereby greatly reducing the adhesion of ice and realizing anti-deicing on the surface; sunlight is available everywhere in nature, and if the surface has photothermal properties, photothermal can be used Input, improve the efficiency of anti-icing and reduce energy consumption; however, the electrothermal and photothermal surfaces do not have the function of reducing the adhesion of ice when no energy is supplied

The current active anti-icing technology and passive anti-icing technology are not ideal in anti-icing effect

Images