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Ultrahigh-temperature-resistant radar wave absorbing material and preparation method thereof

A technology for absorbing materials and radar waves, which is applied in the field of absorbing materials and can solve problems such as insufficient high-frequency absorbing performance.

Pending Publication Date: 2022-01-21
DALIAN DONGSHIN MICROWAVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to propose an ultra-high temperature-resistant radar wave absorbing material, which has ultra-high temperature resistance, low temperature resistance, radiation resistance, and weather resistance, in view of the insufficient high-frequency wave absorption performance of existing radar wave absorbing materials at high temperatures. , Corrosion-resistant characteristics, solves the shortcomings of general polymer resin as a coating-type absorbing material for bonding, and the temperature resistance does not exceed the polymer resin itself. It has electromagnetic shielding and electromagnetic clutter absorption performance

Method used

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  • Ultrahigh-temperature-resistant radar wave absorbing material and preparation method thereof
  • Ultrahigh-temperature-resistant radar wave absorbing material and preparation method thereof
  • Ultrahigh-temperature-resistant radar wave absorbing material and preparation method thereof

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Embodiment 1

[0028] This embodiment discloses an ultra-high temperature-resistant radar wave absorbing material, which includes the following substances in parts by weight:

[0029] Sodium silicate: 100 parts;

[0030] Ruthenium oxide: 50 parts;

[0031] Silicon carbide: 50 parts;

[0032] BYK-163: 5 copies;

[0033] Organic binder: 100 parts;

[0034] The particle diameter of described sodium silicate is 1 micron; The particle diameter of described ruthenium oxide, silicon carbide is 5 microns, and described BYK is the BYK-163 that market common BAK company produces, and organic binder is terpineol 95 %, ethyl cellulose 5%.

[0035] The method for preparing the above-mentioned ultra-high temperature-resistant radar wave absorbing material has the following steps:

[0036] S1, slowly adding ethyl cellulose into terpineol and fully stirring and dissolving to obtain a transparent organic binder;

[0037] S2. Stir the sodium silicate, the ruthenium oxide, silicon carbide, the BYK-163 an...

Embodiment 2

[0043] This embodiment discloses an ultra-high temperature-resistant radar wave absorbing material, which includes the following substances in parts by weight:

[0044] Silicon dioxide: 100 parts;

[0045] Silver: 10 parts;

[0046] Tungsten: 200 parts;

[0047] BYK-163: 5 parts;

[0048] Organic binder: 100 parts;

[0049] The particle diameter of described silicon dioxide is 1 micron; The particle diameter of described silver, tungsten is 5 microns, and described BYK is the BYK-163 that market general BAK company produces, and organic binding agent is terpineol 95%, Ethylcellulose 5%.

[0050] The method for preparing the above-mentioned ultra-high temperature-resistant radar wave absorbing material has the following steps:

[0051] S1, slowly adding ethyl cellulose into terpineol and fully stirring and dissolving to obtain a transparent organic binder;

[0052] S2. Stir the silicon dioxide, the silver, tungsten, the BYK-163 and the organic binder according to the weig...

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Abstract

The invention provides an ultrahigh-temperature-resistant radar wave absorbing material and a preparation method thereof. The ultrahigh-temperature-resistant radar wave absorbing material is prepared by mixing, medium-temperature drying and high-temperature sintering of the following components in parts by weight: 100 parts of a binding phase; 50- 200 parts of a wave-absorbing filler; 5-20 parts of a dispersant; and 10-50 parts of an organic binder. The invention further discloses an ultrahigh-temperature-resistant radar wave absorption structure, all the components are mixed and then brushed on the surface of a high-temperature-resistant base material, then the components and the base material are dried and sintered together to be attached to the surface of the base material, and a coating capable of absorbing electromagnetic waves is formed after cooling. The ultrahigh-temperature-resistant radar wave absorbing material has the characteristics of ultrahigh temperature resistance, low temperature resistance, radiation resistance, weather resistance and corrosion resistance, overcomes the defect that the temperature resistance of a coating type wave absorbing material which takes common polymer resin as a bonding effect does not exceed that of the polymer resin, and has electromagnetic shielding and electromagnetic clutter absorbing properties.

Description

technical field [0001] The invention relates to wave-absorbing material technology, in particular to an ultra-high temperature-resistant radar wave absorbing material and a preparation method thereof. Background technique [0002] Radar stealth and anti-jamming are important contents of electronic warfare, and the battle for the right to use and control the frequency spectrum has become the fifth battlefield after the battlefields of land, sea, air and space. At present, the world is experiencing a military revolution. Electronic warfare is a special combat method in modern warfare. Since electronic information technology equipment is widely used in various fields of combat, the struggle between the two warring parties for the right to use and control the spectrum Very intense. This struggle manifests itself as a struggle between reconnaissance and counter-reconnaissance, electronic jamming and anti-interference, electronic destruction and anti-destruction. Stealth is esse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/565C04B35/01C04B35/622B22F1/103
CPCC04B35/565C04B35/01C04B35/622C04B2235/3418C04B2235/3289C04B2235/3826C04B2235/5436C04B2235/6022C04B2235/606C04B2235/656C04B2235/6567
Inventor 陈坚
Owner DALIAN DONGSHIN MICROWAVE TECH
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