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A coating and nano-metal technology, applied in the field of materials, can solve the problems of rising coating temperature, weakening coating radiation protection, coating falling off, etc.
Active Publication Date: 2020-10-30
北京猎鹰科技有限公司
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Problems solved by technology
However, the electromagnetic shielding coatings in the prior art often have relatively poor radiation protection effect, and are easy to absorb external infrared rays (the electromagnetic shielding coatings in the prior art seldom have a reflection or shielding effect on infrared rays and visible light), causing the temperature of the coating to rise. Further weaken the anti-radiation function of the coating, and it is easy to cause the coating to fall off
Method used
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Embodiment 1
[0041] Embodiment 1: the preparation of anti-radiation, heat-insulating coating
[0042] A radiation-proof, heat-insulating coating, comprising the following components by weight fraction:
[0043]
[0044] A preparation method for a radiation-proof, heat-insulating coating, comprising the following steps:
[0045] The components were weighed, stirred and mixed, the stirring speed was 800 rpm, the stirring time was 2 hours, and the stirring temperature was 50° C. to prepare a radiation-proof and heat-insulating coating.
Embodiment 2
[0046] Embodiment 2: the preparation of anti-radiation, heat-insulating coating
[0047] A radiation-proof, heat-insulating coating, comprising the following components by weight fraction:
[0048]
[0049] A preparation method for a radiation-proof, heat-insulating coating, comprising the following steps:
[0050] The components were weighed, stirred and mixed, the stirring speed was 900 rpm, the stirring time was 2 hours, and the stirring temperature was 40° C. to prepare a radiation-proof and heat-insulating coating.
Embodiment 3
[0051] Embodiment 3: the preparation of anti-radiation, heat-insulating coating
[0052] A radiation-proof, heat-insulating coating, comprising the following components by weight fraction:
[0053]
[0054] A preparation method for a radiation-proof, heat-insulating coating, comprising the following steps:
[0055] The components were weighed, stirred and mixed, the stirring speed was 1000 rpm, the stirring time was 1.5 hours, and the stirring temperature was 45° C. to prepare a radiation-proof and heat-insulating coating.
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Abstract
The invention belongs to the field of materials, and discloses a radiation-proof and heat-insulating coating, which comprises the following components: resin, nano metal, carbon nanotubes, carbon nanotubes, a filler, a solvent and an assistant. Due to the one-dimensional structure of the carbon nanotubes, the coating has special electronic performance, and the nano metal and the carbon nanotubes are matched for use, so that the electromagnetic shielding performance of the coating is improved, and a radiation-proof effect is achieved; and the use of the filler and the carbon nanotubes is beneficial to the reflection of infrared rays and visible light by the coating and the timely conduction and dissipation of heat, and a good heat insulation effect is achieved for electronic products coatedwith the coating. The coating contains basalt fibers, so that the electromagnetic shielding performance of the coating can be further enhanced. High-speed stirring in the preparation process of the coating is beneficial to uniform dispersion of nano-metal and carbon nanotubes on the surface of the filler, so that the electromagnetic shielding performance and the effect of reflecting infrared raysand visible light are improved.
Description
technical field [0001] The invention belongs to the field of materials, in particular to a coating for radiation protection and heat insulation. Background technique [0002] With the rapid development of the electronic industry and the popularization of electronic products, tens of thousands of electronic and electrical equipment emit electromagnetic waves of different frequencies when they are working. These electromagnetic waves will cause cross-interference to various electronic and electrical equipment, communication and transmission lines that are working nearby, which is extremely harmful. [0003] Electromagnetic shielding coating is a radiation-proof coating that can be sprayed on non-metallic substrates such as composite materials, engineering plastics, wood, and cement surfaces to prevent or reduce electromagnetic radiation (such as microwaves, visible light, ultraviolet light, etc.) hazards. However, the electromagnetic shielding coatings in the prior art often...
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Application Information
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