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Night vision compatible film and preparation method and application thereof

A night vision compatible, thin-film technology, applied in the field of materials, can solve the problems of water mist resistance, poor resistance to salt spray, weak anti-ultraviolet ability, application scenarios that cannot meet higher requirements, etc., to achieve a wide range of application scenarios and good water mist resistance and the effect of salt spray resistance

Active Publication Date: 2021-02-26
北京猎鹰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the light transmittance of the current night vision compatible materials in the range of 400nm-630nm is still not high, the anti-ultraviolet ability is weak, and its resistance to water mist and salt mist is poor, so it cannot adapt to harsh environments, and the application scenarios cannot meet higher requirements. Require

Method used

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  • Night vision compatible film and preparation method and application thereof
  • Night vision compatible film and preparation method and application thereof
  • Night vision compatible film and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A night vision compatible film, comprising a layer of transparent substrate polyacrylate film and a coating coated on the transparent substrate, the coating is mainly made of the following raw materials:

[0043]

[0044]

[0045] A method for preparing a night vision compatible film, comprising the following steps:

[0046] (1) Take 1 part of butyl titanate, dissolve it in 30 parts of absolute ethanol, add 1.5 parts of triethanolamine, and mix to obtain a mixed solution A; dissolve 0.5 parts of the catalyst in an aqueous ethanol solution, and add it to the mixed solution A, React at 60°C for 1 hour to prepare nano-TiO 2 Sol.

[0047] (2) methyl methacrylate, melamine formaldehyde resin, nano TiO 2 Add sol, graphene oxide, thiodiene nickel dye, benzotriazole UV-326, and nano-zinc oxide into dichloromethane, stir for the first time, the stirring speed is 300 rpm, and the stirring time is 50 minutes; add dibenzoyl peroxide, stir for the second time, the stirring ...

Embodiment 2

[0050] A night vision compatible film, comprising a layer of transparent substrate polyacrylate film and a coating coated on the transparent substrate, the coating is mainly made of the following raw materials:

[0051]

[0052] A preparation method of an ultraviolet-resistant night vision compatible film, comprising the following steps:

[0053] (1) Take 1 part of butyl titanate, dissolve it in 40 parts of absolute ethanol, add 2 parts of triethanolamine, and mix to obtain a mixed solution A; dissolve 0.5 parts of the catalyst in an aqueous ethanol solution, and add it to the mixed solution A, React at 65°C for 1 hour to prepare nano-TiO 2 Sol.

[0054] (2) butyl acrylate, urea-formaldehyde resin, nano-TiO 2 Add sol, graphene oxide, methyl cyanine dyes, benzotriazole UV-360, and nano-calcium carbonate to ethylene glycol, stir for the first time, the stirring speed is 400 rpm, and the stirring time is 50 minutes ; Add tert-butyl peroxybenzoate, stir for the second time, th...

Embodiment 3

[0057] A night vision compatible film, comprising a layer of transparent substrate polyacrylate film and a coating coated on the transparent substrate, the coating is mainly made of the following raw materials:

[0058]

[0059] A method for preparing a night vision compatible film, comprising the following steps:

[0060] (1) Take 1 part of butyl titanate, dissolve it in 20 parts of absolute ethanol, add 1 part of triethanolamine, and mix to obtain a mixed solution A; dissolve 0.3 parts of the catalyst in an aqueous ethanol solution, and add it to the mixed solution A, React at 65°C for 1 hour to prepare nano-TiO 2 Sol.

[0061] (2) methyl acrylate, polyamide polyamine epichlorohydrin, nano TiO 2 Sol, graphene oxide, phthalocyanine dyes, benzotriazole UV-360, and nano-magnesium carbonate were added to chloroform, and the stirring speed was 250 rpm, and the stirring time was 60 minutes; Azodiisobutyrocyanide was stirred for the second time, the stirring speed was 100 rpm...

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Abstract

The invention belongs to the field of materials, and discloses a night vision compatible film and a preparation method and application thereof. The night vision compatible film comprises a layer of transparent base material and a coating applied to the transparent base material. The coating is mainly prepared from acrylic resin, amino resin, nano TiO2 sol, graphene oxide, an ultraviolet absorbent,filler, a resin curing agent and a solvent. The night vision compatible film is high in light transmittance within the range of 400nm to 630nm and high in ultraviolet-proof capacity. The light transmittance within the range of 400nm to 630nm is 55% or above; the light transmittance within the range of 660nm to 930nm is 1.0% or less; and the light transmittance at 320-400nm is 1.2% or less. The night vision compatible film has good water mist resistance and salt mist resistance, can adapt to severe environments and is wide in application scene. The night vision compatible film can be applied to a night vision device.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a night vision compatible film and its preparation method and application. Background technique [0002] Night vision technology is a photoelectric technology that realizes night observation by means of photoelectric imaging devices. The near-infrared region is the spectral response region of night vision products such as night vision goggles. The current lighting generally uses visible light such as incandescent lamps or ordinary light-emitting diodes as light sources, and has high spectral energy radiation in the near-infrared region. In night vision mode, it will interfere with the night vision imaging system (NVIS), seriously affecting the imaging effect. The image is not even recognizable. The night vision compatible technology solves the above problems. The night vision compatible technology eliminates the light and radiation emitted by the lighting system in the equi...

Claims

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Application Information

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IPC IPC(8): C08J7/04C08J7/054C09D133/04C09D161/28C09D161/24C09D177/00C09D5/32C09D5/08C09D7/61C08L33/04
CPCC08J7/0427C08J7/054C09D133/04C09D5/32C09D5/08C09D7/61C08K2201/011C08K2003/2241C08K2003/2296C08J2333/04C08J2433/04C08L61/28C08L61/24C08L77/00C08K3/22C08K3/042C08K5/3475C08K13/02
Inventor 李虹
Owner 北京猎鹰科技有限公司