Intelligent infrared and visible light dual-band stealth fabric and preparation method thereof
A visible light, dual-band technology, applied in the field of infrared camouflage, can solve the problem that passive thin films cannot realize dynamic regulation, etc., and achieve remarkable camouflage effect, fast response speed, and energy saving effect
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Embodiment 1
[0044] A method for preparing an intelligent infrared and visible light dual-band stealth fabric is provided, comprising the following steps:
[0045] 1) Preparation of the visible light color customization layer: select 20D red and green PE spinning yarns with a diameter of 200, and use a loom to weave a fabric with a specific pattern, with a thickness of 30 μm and an infrared transmittance of 80%;
[0046] 2) Preparation of infrared emissivity control layer:
[0047] (1) The porous PE woven strip is woven into a fabric, wherein the infrared transmittance is 90% and the porosity is 44%;
[0048] (2) Use a vacuum plasma cleaning machine to carry out surface hydrophilic treatment on the fabric, so that hydrophilic groups are attached to the surface and internal pores;
[0049] (3) Put the fabric after hydrophilic treatment into 30% LiBr solution, take it out after soaking for 20 minutes, and obtain an infrared emissivity control layer with adjustable infrared emissivity, with ...
Embodiment 2
[0055] A method for preparing an intelligent infrared and visible light dual-band stealth fabric is provided, comprising the following steps:
[0056] 1) Preparation of the visible light color customization layer: select a blue PE spinning thread with a diameter of 20D, and use a loom to weave a fabric with a specific pattern, with a thickness of 25 μm and an infrared transmittance of 85%;
[0057] 2) Preparation of infrared emissivity control layer:
[0058] (1) Porous PE yarn is spun into a porous fabric, wherein the infrared transmittance of the porous fabric is 92%, and the porosity is 48%;
[0059] (2) Use a vacuum plasma cleaning machine to carry out surface hydrophilic treatment on the porous fabric, so that hydrophilic groups are attached to the surface and internal pores;
[0060] (3) Put the porous fabric after hydrophilic treatment into 20% LiCl solution, take it out after soaking for 30 minutes, and obtain an infrared emissivity control layer with adjustable infra...
Embodiment 3
[0066] It is basically the same as Example 1, except that the low-infrared emission layer is prepared. The low-infrared emission layer of the present invention uses a 100 μm stainless steel film as the low-emission layer, and the infrared emission rate of stainless steel is 0.25.
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