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A kind of preparation method of anti-friction anti-icing coating

A friction-resistant and anti-icing technology, applied in coatings, anti-fouling/underwater coatings, epoxy resin coatings, etc., can solve problems such as unsuitable for market requirements, poor mechanical properties of coatings, and complicated preparation methods. Achieve good superhydrophobicity, low preparation cost, and simple experimental operation

Active Publication Date: 2022-02-01
CHINA THREE GORGES UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the superhydrophobic coatings need to treat the substrate to a certain extent, then spray the modified inorganic particles on the surface of the substrate, and finally modify it with low surface energy substances (Progress in Organic Coatings: Self – cleaning superhydrophobic coatings: Potential industrial applications, 2019, 128: 52-58. Chemical Engineering Journal, Fabrication of high performance superhydrophobic coatings by spray-coating of polysiloxane modified halloysite nanotubes, 2017, 331). The mechanical properties of the layer are poor, the preparation method is too complicated, the cost is high, and it is not suitable for marketization requirements

Method used

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  • A kind of preparation method of anti-friction anti-icing coating
  • A kind of preparation method of anti-friction anti-icing coating
  • A kind of preparation method of anti-friction anti-icing coating

Examples

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preparation example Construction

[0023] (1) Preparation of liquid A: Weigh 0.1-0.5g trifluoropropyltrimethoxy, 0.1-1g silica particles (particle diameter 30±5nm) into a small beaker, then add 2-30g ethyl acetate After mixing, stir at room temperature to fully disperse silicon dioxide in ethyl acetate;

[0024] (2) Preparation of liquid B: Weigh 0.06-0.6g of epoxy resin or modified epoxy resin into a weighing bottle, then add 0.5-3g of ethyl acetate for mixing, and add 0.03-0.3g after fully stirring organic amine, stir and dissolve, add 0.1-0.5g of trifluoropropyltrimethoxysilane, and stir at room temperature to fully dissolve;

[0025] (3) Preparation of friction-resistant superhydrophobic coating: Add liquid B dropwise to liquid A under stirring conditions, and then stir at room temperature for 30-100 minutes;

[0026] (4) Preparation of coating: apply the coating in (3) by spraying, brushing or spin coating. Dry the prepared samples at 60-100°C.

[0027] In the step (1), the dosage of trifluoropropyltrim...

Embodiment 1

[0034] In this embodiment, the preparation method of the anti-friction and anti-icing coating, the specific steps are as follows:

[0035] (1) Preparation of liquid A: Weigh 0.1g of trifluoropropyltrimethoxy, 0.1g of silica particles (particle diameter: 30±5nm) into a small beaker, then add 2.5g of ethyl acetate, at room temperature Stir for 10 minutes to fully disperse silicon dioxide in ethyl acetate;

[0036] (2) Preparation of liquid B: Weigh 0.06g of bisphenol A type epoxy resin into a weighing bottle, then add 1g of ethyl acetate to mix, stir well and then add 0.03g of methylcyclopentadiamine, After stirring to dissolve, add 0.1g of trifluoropropyltrimethoxysilane, and stir at room temperature for about 10 minutes to fully dissolve;

[0037] (3) Preparation of friction-resistant superhydrophobic coating: Add liquid B dropwise to liquid A under stirring conditions, and then stir at room temperature for 30 minutes;

[0038] (4) Preparation of the coating: Brush the paint...

Embodiment 2

[0041] In this embodiment, the preparation method of the anti-friction and anti-icing coating, the specific steps are as follows:

[0042](1) Preparation of liquid A: Weigh 0.1g of trifluoropropyltrimethoxysilane and 0.2g of silicon dioxide particles (particle diameter: 30±5nm) into a small beaker, then add 5g of ethyl acetate, at room temperature Under stirring for 20 minutes, silicon dioxide is fully dispersed in ethyl acetate;

[0043] (2) Preparation of liquid B: Weigh 0.3g of acrylic modified epoxy resin into a weighing bottle, then add 2g of ethyl acetate for mixing, stir well, add 0.1g of polyetheramine, stir to dissolve and then add 0.5g of trifluoropropyltrimethoxysilane, stirred at room temperature for about 10 minutes to fully dissolve;

[0044] (3) Preparation of friction-resistant superhydrophobic coating: Add liquid B dropwise to liquid A under stirring conditions, and then stir at room temperature for 20 minutes;

[0045] (4) Coating preparation: Spin-coat the...

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Abstract

The invention relates to a preparation method of a friction-resistant anti-icing coating. In this method, fluorinated siloxane is used to hydrophobically modify nano-silica particles, epoxy resin or modified epoxy resin is added to ethyl acetate, and after mixing evenly, organic amine catalyst and trifluoropropyltrimethoxy Silane, after stirring evenly at room temperature, the modified adhesive solution is obtained; the method of spraying or brushing is used to prepare a double-rough composite coating with a lotus leaf-like structure, and this porous coating has good superhydrophobicity at low temperature , In addition, the air in the micropores of the coating will form an air insulation layer, which can reduce heat conduction, thereby delaying the freezing process, and thus having the ability to prevent icing. The superhydrophobic coating prepared by the invention not only has good superhydrophobic and anti-icing properties, but also has good mechanical properties. In terms of raw materials and preparation technology, the method of the invention is simpler, more economical and more practical.

Description

technical field [0001] The invention relates to the field of super-hydrophobic composite coatings, and mainly relates to a friction-resistant anti-icing coating and a preparation method thereof. The method is to mix modified nanoparticles and modified adhesive liquid through simple physical mixing, thereby Forms a highly adherent, anti-icing coating. Background technique [0002] In recent years, superhydrophobic materials have attracted people's attention because of their wide range of applications, both in the scientific research community and in the commercial market. However, there are still some difficulties in the widespread marketization of superhydrophobic materials. Cost issues, wear-resistant and weather-resistant issues, and application technology issues are the main difficulties faced at present. Most of the superhydrophobic coatings need to treat the substrate to a certain extent, then spray the modified inorganic particles on the surface of the substrate, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/62C09D7/63C09D5/16
CPCC09D163/00C09D7/62C09D7/63C09D5/1681C09D5/1662C09D5/1687C08K2201/011C08K9/06C08K3/36C08K5/5419
Inventor 谭新玉王嫚杨瑷碧涂伊藤余美玲
Owner CHINA THREE GORGES UNIV
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