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Photo-thermal response super-hydrophobic anti-icing composite coating layer and preparation method thereof

A composite coating, photothermal response technology, used in coatings, anti-corrosion coatings, devices for coating liquids on surfaces, etc., can solve problems such as poor photothermal performance, lack of corrosion resistance, insufficient mechanical resistance, etc. Photothermal properties, reliable coating performance, and improved stability

Active Publication Date: 2022-02-18
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies and shortcomings of the prior art, the primary purpose of the present invention is to provide a method for preparing a photothermally responsive superhydrophobic anti-icing composite coating. The superhydrophobic anti-icing composite coating prepared by the preparation method overcomes the superhydrophobic Insufficient mechanical resistance, lack of corrosion resistance, and poor photothermal performance of ice composite coatings in harsh environments

Method used

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  • Photo-thermal response super-hydrophobic anti-icing composite coating layer and preparation method thereof
  • Photo-thermal response super-hydrophobic anti-icing composite coating layer and preparation method thereof
  • Photo-thermal response super-hydrophobic anti-icing composite coating layer and preparation method thereof

Examples

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Effect test

Embodiment 1

[0044] A kind of preparation of hydrophobic anti-icing coating (PVDF), comprises the steps:

[0045] (1) Preparation of mixed spraying solution: First, take 0.5g of PVDF (particle size 10-15μm, Arkema Co., Ltd., France), add it to 20ml of absolute ethanol (Tianjin Fuyu Fine Chemical Co., Ltd.), and measure orthosilicon Ethyl acetate (TEOS, produced by Shanghai Macklin Biochemical Co., Ltd., purity: 98%) 4ml was added to the above mixed solution, magnetically stirred for 10 minutes, and further ultrasonically treated for 30 minutes to obtain a uniformly dispersed suspension and a mixed spray solution;

[0046] (2) Preparation of the substrate for spraying: firstly place the glass slide (7101) in absolute ethanol for ultrasonic treatment for 10 min and then take it out to dry; mix 5 g of RTV-SR with 2 ml of n-hexane (manufactured by Shanghai Macklin Biochemical Company), 0.5ml TEOS, 0.1ml dibutyltin dilaurate were magnetically mixed and then magnetically stirred for 10min; then ...

Embodiment 2

[0050] A kind of preparation of photothermal response superhydrophobic anti-icing composite coating (CNTs), comprises the steps:

[0051] (1) Preparation of mixed spraying solution: First, take 0.05 g of multi-walled carbon nanotubes (CNTs, 10-30 nm in diameter, 10-20 μm in length, Nanjing Xianfeng Nano Material Technology Co., Ltd.), and add it to 20 ml of absolute ethanol (Tianjin Fu Yu Fine Chemical Co., Ltd.), 4 ml of tetraethyl orthosilicate (TEOS, produced by Shanghai Macklin Biochemical Co., Ltd., purity: 98%) was added to the above mixture, stirred by magnetic force for 10 min, and then ultrasonically treated for 30 min to obtain a uniformly dispersed suspension to obtain a mixed spray solution;

[0052] (2) Preparation of the substrate for spraying: firstly place the glass slide (7101) in absolute ethanol for ultrasonic treatment for 10 min, take it out and dry it, mix 5 g of RTV-SR with 2 ml of n-hexane (manufactured by Shanghai Macklin Biochemical Company), 0.5ml T...

Embodiment 3

[0057] A kind of preparation of hydrophobic anti-icing coating (not thermally treated PVDF / CNTs coating), comprises the steps:

[0058] (1) Preparation of mixed spraying solution: first, take 0.05 g of multi-walled carbon nanotubes (CNTs, diameter 10-30 nm, length 10-20 μm, Nanjing Xianfeng Nano Material Technology Co., Ltd.), PVDF (particle size 10-15 μm, France Arkema Co., Ltd.) 0.5g was added to 20ml of absolute ethanol (Tianjin Fuyu Fine Chemical Co., Ltd.), and 4ml of ethyl orthosilicate (TEOS, produced by Shanghai Macklin Biochemical Co., Ltd., purity: 98%) was measured and added In the above mixed solution, magnetically stir for 10 minutes, and further ultrasonically treat for 30 minutes to obtain a uniformly dispersed suspension, and obtain a mixed spray solution;

[0059] (2) same as embodiment 1 step (2), obtain semi-viscous fluid state SR-slide glass substrate;

[0060] (3) Spray the mixed solution described in step (1) vertically on the semi-viscous fluid state SR...

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Abstract

The invention discloses a photo-thermal response super-hydrophobic anti-icing composite coatinglayer and a preparation method thereof. The preparation method comprises the following steps: coating room-temperature silicone rubber on the surface of a base material; dispersing micron-sized particles and nano-sized particles in a solvent, and adding a dispersing agent to obtain a uniform mixture solution; spraying the mixture solution on the surface of a substrate by using a spray gun to obtain a super-hydrophobic coating layer; and carrying out heat treatment and fluorination treatment to obtain the stable photo-thermal response super-hydrophobic anti-icing composite coating layer. The prepared photo-thermal response super-hydrophobic anti-icing composite coating layer has the advantages of super hydrophobicity, low adhesion, firmness and excellent photo-thermal characteristics, and is wide in application scene and high in mechanical stability.

Description

technical field [0001] The invention belongs to the technical field of material surface engineering, and in particular relates to a photothermal responsive superhydrophobic anti-icing composite coating and a preparation method thereof. Background technique [0002] In nature, the formation and accumulation of ice is a very common phenomenon. Although the natural landscape formed by ice is gorgeous and colorful, the formation of ice brings more negative impacts on people's production and life. In some cases, icing problems will threaten the flight safety of aircraft, cause power transmission lines and communication base stations to collapse, and damage buildings, etc., resulting in unpredictable economic losses. [0003] Traditional deicing methods such as: mechanical deicing, electric deicing, manual deicing, microwave deicing, etc., but these technologies have the problems of high cost and low efficiency. Chemical deicing agent deicing technology is one of the effective de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/16C09D5/08C09D5/00C09D7/61C09D7/63C09D1/00B05D5/00B05D5/06B05D5/08
CPCC09D127/16C09D5/08C09D5/00C09D7/61C09D7/63C09D1/00B05D5/00B05D5/083B05D5/06C08K3/041C08K5/5415
Inventor 蒋果刘中央
Owner SOUTH CHINA UNIV OF TECH
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