Spontaneous heating coating for substrate surface and preparation method of spontaneous heating coating

A substrate surface, self-heating technology, applied in the field of coatings, can solve the problems of limited anti-icing time, heavy workload, delayed flights, etc.

Inactive Publication Date: 2013-07-17
DALIAN JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

but the obvious limitation of this method is that the amount of liquid on board the aircraft limits the extension of the anti-icing time
There is also a method of combining heating with a large electric fan and air drying, but this method has a large workload, high energy consumption and low efficiency, often delaying flights
Furthermore, some professionals have used more advanced electronic sensing systems to improve the early warning performance of icing, but they only stay on the early warning, and have not given how to solve the problem, especially in a timely and rapid manner.
Therefore, the prevention of freezing and efficient deicing of aircraft have not been fundamentally resolved, so it is necessary to develop a new deicing method

Method used

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  • Spontaneous heating coating for substrate surface and preparation method of spontaneous heating coating
  • Spontaneous heating coating for substrate surface and preparation method of spontaneous heating coating
  • Spontaneous heating coating for substrate surface and preparation method of spontaneous heating coating

Examples

Experimental program
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Effect test

Embodiment 1

[0065] ① Grind the tourmaline so that it reaches the micron level, and screen it with a 200-mesh filter sieve; mix 9g of tourmaline, 30g of resin, and 7g of organic solvent, disperse in the grinder at a high speed of 4000r / min for 30min, and discharge the material to obtain tourmaline heating paint;

[0066] ②Mix 5g of nano-silica, 30g of organic solvent and 0.1g of wetting and dispersing agent and disperse in an ultrasonic disperser for 15 minutes; add 1.5g each of iron red, titanium dioxide, calcium carbonate, talcum powder and kaolin, Disperse and grind in the grinder for 30min at a speed of 1000r / min for 30min; add 30g of hydrophobic resin, then disperse and grind for 30min at 1000r / min, and discharge to obtain a superhydrophobic coating;

[0067] ③ Coating: first coat the base material with YA-631 organic insulating paint to obtain the insulating bottom layer 1, place the carbon fiber excitation layer 2 on it, and then apply the self-heating layer coating on the carbon fi...

Embodiment 2

[0071] ①Mix 5g of nano-silica, 30g of organic solvent and 0.1g of wetting and dispersing agent and disperse in an ultrasonic disperser for 15 minutes; add 2.5g each of iron red, titanium dioxide, talcum powder, and 9g of tourmaline powder, grinder Disperse in the grinding machine at a speed of 4000r / min for 30min; add 50g of resin and 10g of solvent, then disperse and grind at 1000r / min for 30min, and discharge to obtain a superhydrophobic and self-heating integrated coating.

[0072] ② First, apply YA-631 organic silicon insulating coating on the base material to make an insulating bottom layer, place the carbon fiber excitation layer on it, and after drying, apply a super-hydrophobic and self-heating integrated coating, place it at room temperature, and dry.

[0073] In the above steps, the organic solvent is a mixed solution composed of butyl acetate, n-butanol and xylene in a mass ratio of 1:2:3.

[0074] This implementation case can be used for anti-icing and de-icing of ...

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Abstract

The invention relates to a spontaneous heating coating for the substrate surface and a preparation method of the spontaneous heating coating and belongs to the field of coatings. According to the spontaneous heating coating and the preparation method, a plurality of materials with favorable physical and chemical properties, such as a tourmaline spontaneous heating function, an anti-freezing coating, a self-cleaning hydrophobic coating and the like are fused, hydrophobic, self-cleaning, spontaneous heating and anti-freezing materials are reasonably applied together by using the excellent properties of the materials, the excellent properties of various materials are comprehensively utilized, and better anti-freezing and anti-icing effects are achieved.

Description

technical field [0001] The invention relates to a self-heating antifreeze and deicing coating used on the surface of a substrate and a preparation method thereof, belonging to the field of coatings. Background technique [0002] Aircraft icing is one of the important causes of aircraft flight accidents. Facts have proved that only relying on the aircraft's anti-icing / de-icing system cannot completely solve the flight safety hazards caused by aircraft icing. Aircraft may fly with ice. [0003] At present, some traditional and effective deicing methods are still used today, such as inflatable boots, electric ice protection and thermal deicing by introducing hot air from jet engines, etc. In the early designs of ice protection systems for freezing point suppression, the method of penetrating the surface with an antifreeze liquid, such as ethylene glycol mixed with water, was investigated. But the obvious limitation of this method is that the amount of liquid on the aircraft ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B33/00C09D133/12C09D7/12C08F220/14C08F220/18C08F230/08
Inventor 雷桢禹王毓林王威陈美玲杨莉张恩
Owner DALIAN JIAOTONG UNIVERSITY
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