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Method of adding infrared stealth coating to the surface of the object coated with radar absorbing coating

A wave-absorbing coating, object surface technology, applied in coatings, layered products, epoxy coatings, etc., can solve the problems of radar compatibility, high radar wave reflectivity, etc.

Active Publication Date: 2016-05-18
成都佳驰电子科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the traditional single-layer structure infrared stealth coating, to achieve emissivity less than 0.25 and meet certain application requirements, the metal pigment content of the infrared coating (the mass percentage of the metal pigment relative to the binder) should be at least 100%, and the coating thickness should be at least 100%. It must reach 45-60 microns, but under this condition, due to the high content of metal pigments in the infrared coating, it has a high radar wave reflectivity, which affects the radar compatibility, especially at high frequencies

Method used

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  • Method of adding infrared stealth coating to the surface of the object coated with radar absorbing coating
  • Method of adding infrared stealth coating to the surface of the object coated with radar absorbing coating
  • Method of adding infrared stealth coating to the surface of the object coated with radar absorbing coating

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Embodiment 1

[0029] In this embodiment, the sample size of the radar absorbing coating is 3m*5m, the average diameter of the flake aluminum powder used is about 25 microns, the total metal pigment content of the control coating is 100%, and the metal with three-layer structure is selected. The powder content is respectively 50%, 100%, and 150% of the infrared coating from the inner layer to the outer layer, and the thickness of each layer is 18 μm, 18 μm, and 18 μm.

[0030] First prepare the coating: take 5kg of polyurethane resin and 6kg of ethyl acetate, mix and stir evenly to prepare the carrier, weigh 4.4kg, 4kg, and 3.5kg of the carrier from the inner layer to the outer layer of the paint for use; Weigh 1kg, 1.8kg, and 2.4kg of flake aluminum powder to the outer coating for use; weigh 2kg, 1.8kg, and 1.6kg of curing agent for the inner to outer coating respectively. Then paint spraying: first clean the surface of the model, starting from the inner layer, mix and stir the weighed carr...

Embodiment 2

[0033] In this embodiment, the sample size of the radar absorbing coating is 3m*5m, the average diameter of the flake aluminum powder used is about 8 microns, the total metal pigment content of the control coating is 95%, and the metal with four-layer structure is selected. The powder content is 50%, 75%, 100%, and 125% of the infrared coating from the inner layer to the outer layer, and the thickness of each layer is 10 μm, 10 μm, 10 μm, and 20 μm.

[0034] First prepare the coating: take 5kg of polyurethane resin and 6kg of ethyl acetate, mix and stir evenly to obtain a carrier, and weigh 2.64kg, 2.42kg, 1.98kg, and 3.87kg of carriers for the coating from the inner layer to the outer layer for use; Weigh 0.6kg, 0.83kg, 0.9kg, and 2.2kg of flake aluminum powder for use from the inner layer to the outer layer of the coating; weigh 1.2kg, 1.1kg, 0.9kg, and 1.76kg of curing agent is ready for use. Then paint spraying: first clean the surface of the model, starting from the inne...

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Abstract

The invention discloses a method for coating an infrared stealth coating on an object surface coated with a radar absorbing coating, and belongs to the technical field of a functional material. The method comprises the following concrete processes: 1, preparing each coating carrier of a corresponding infrared stealth coating, a component A of the infrared stealth coating and a component B of the infrared stealth coating; 2, cleaning the object surface coated with the radar absorbing coating; 3, mixing and evenly agitating a to-be-used inner coating carrier with the component A and the component B, and spraying on the surface of the radar absorbing coating by adopting a compressed gas manner, and drying; 4, sequentially taking the to-be-used coating carrier to mix and evenly agitate with the component A and the component B in a manner same as spraying of the inner layer, spraying and drying by adopting the compressed gas manner to the outermost layer. The method has the advantages that the infrared emitting ability can be reduced to below 0.25, meanwhile, the radar absorbing performance of the coating can be significantly improved within the full-band range of 1-18GHz, and excellent infrared / radar and stealth performances are achieved.

Description

technical field [0001] The invention belongs to the technical field of functional materials and relates to radar and infrared camouflage materials, in particular to a method for coating an infrared stealth coating on the surface of an object coated with a radar wave-absorbing coating. Background technique [0002] In the modern battlefield, the detection technology has developed into multi-spectrum detection. Stealth materials with a single function can no longer meet the demand. Multi-spectrum compatible stealth materials, especially radar and infrared compatible stealth materials, have become one of the research hotspots of stealth materials. . The main method of radar stealth is to reduce the radar wave reflectivity of the target object, while the main method of infrared stealth is to increase the infrared reflectivity of the target object. The coating with high infrared reflectivity also has a high radar reflectivity. The contradiction of performance requirements has br...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B7/00C09D175/04C09D163/00C09D5/38
Inventor 屈秋芳翁小龙谢建良邓龙江袁乐
Owner 成都佳驰电子科技股份有限公司
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