Near-infrared absorption film material with night vision compatible characteristic and preparation method thereof

A near-infrared and near-infrared technology, applied in radiation-absorbing coatings, chemical instruments and methods, epoxy resin coatings, etc., can solve the problems of unseen coating materials and film materials, and achieve light weight, low production cost, The effect of good transmittance

Active Publication Date: 2011-04-27
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Recently, a class of filter materials made of near-infrared absorbers and polymer materials has been reported, but there are no relevant literature reports on coating materials and film materials with night vision compatibility.

Method used

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  • Near-infrared absorption film material with night vision compatible characteristic and preparation method thereof
  • Near-infrared absorption film material with night vision compatible characteristic and preparation method thereof
  • Near-infrared absorption film material with night vision compatible characteristic and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Use ethylene terephthalate (PET) film as the transparent substrate with a thickness of 0.1 mm.

[0034] (2) Coating material components of the near-infrared absorbing layer: acrylic resin (Kunshan East Asia resin, DY8236), 100 parts by mass; acrylic resin curing agent (Bayer, Desmodur-N75), 10 parts by mass; thiodiene type Nickel (molecular formula: C 28 h 20 NeS 4 ; Absorption peak λ max =855nm), 0.25 parts by mass; polymethine cyanine dyes (molecular formula: C 32 h 36 ClN 2 .I; absorption peak λ max =775nm), 0.15 parts by mass; dichloromethane, 50 parts by mass.

[0035] (3) Add the two near-infrared absorbers described in (2) into dichloromethane, and stir for 15 minutes by magnetic force to obtain a uniform solution. Then add the matrix resin and resin curing agent into the solution, and continue stirring with a magnetic stirrer for 30 minutes, and the near-infrared absorption coating material is obtained after the system is uniformly dispersed.

[003...

Embodiment 2

[0043] (1) A PET film is selected as the transparent substrate with a thickness of 0.05mm.

[0044] (2) Coating material components of the near-infrared absorbing layer: fluorocarbon resin (Changshu Zhonghao resin, JF-4XB), 100 parts by mass; fluorocarbon resin curing agent (Japan Polyurethane Company, Coronate2030), 10 parts by mass; sulfur Substituted diene nickel (molecular formula: C 28 h 20 NeS 4 ; Absorption peak λ max =855nm), 0.1 parts by mass; anthraquinone dyes (molecular formula: C 42 h 36 o 2 N 4 ; Absorption peak λ max =755nm), 0.05 parts by mass; chloroform, 30 parts by mass.

[0045] (3) Add the two near-infrared absorbers described in (2) into chloroform, and stir for 10 minutes by magnetic force to obtain a uniform solution. Then add the matrix resin and resin curing agent into the solution, and continue stirring with a magnetic stirrer for 15 minutes. After the system is uniformly dispersed, a near-infrared-absorbing coating material is obtained.

...

Embodiment 3

[0053] (1) Polycarbonate (PC) film is selected as the transparent substrate with a thickness of 0.1 mm.

[0054] (2) The coating material component of the near-infrared absorbing layer: epoxy resin (Wuxi Blue Star Resin, WSR6101), 100 parts by mass; epoxy resin curing agent (Basf, Germany, Polyetheramine D 230), 20 parts by mass; free radical Type dye (molecular formula: C 62 h 92 N 6 .PF 6 ; Absorption peak λ max =950nm), 0.25 parts by mass; polymethine cyanine dyes (molecular formula: C 32 h 36 ClN 2 .I; absorption peak λ max =775nm), 0.15 parts by mass; acetone, 50 parts by mass.

[0055] (3) Add the two near-infrared absorbers described in (2) into acetone, and stir for 15 minutes by magnetic force to obtain a uniform solution. Then add the matrix resin and resin curing agent into the solution, and continue stirring with a magnetic stirrer for 30 minutes, and the near-infrared absorption coating material is obtained after the system is uniformly dispersed.

[005...

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Abstract

The invention relates to a near-infrared absorption film material with the night vision compatible characteristic and a preparation method of the near-infrared absorption film material. The preparation method comprises the following steps of: adding 0.1-0.5 part by mass of near-infrared absorbent to 20-50 parts by mass of organic solvent and stirring to obtain a uniform solution; and adding 100 parts by mass of matrix resin and 5-20 parts by mass of resin curing agent to the solution, stirring and dispersing to obtain a near-infrared absorbing coating material. In the near-infrared absorptionfilm material with night vision compatible characteristic, one layer is a transparent film matrix and the other layer is a near-infrared absorbing layer formed by coating a coating material with the near-infrared ray absorbing characteristic; the average transmissivity of the near-infrared absorption film material with the night vision compatible characteristic on the light with the wavelength ranging from 400nm to 630nm is 20-30 percent; and the average transmissivity of the near-infrared absorption film material with night vision compatible characteristic on the light with the wavelength ranging from 660nm to 930 nm is 0.1-0.2 percent. The near-infrared absorption coating material is prepared by a simple preparation process and has lower production cost, is suitable for industrial production on a certain scale and is convenient and quick to use.

Description

technical field [0001] The invention relates to a coating material with near-infrared absorption performance and a preparation method thereof. The invention also relates to a near-infrared absorption film material with night vision compatibility and a preparation method thereof. It belongs to the research field of aircraft interior lighting compatible with night vision imaging systems. Background technique [0002] Night vision compatibility technology refers to the elimination of the light and radiation emitted by the lighting system in the cockpit that interfere with the work of the night vision device through certain technical means, so as to ensure the normal operation of the night vision device. The use of near-infrared absorbing materials to absorb interfering light is an important means to realize night vision compatible technology. [0003] According to the application requirements of night vision compatible technology, night vision compatible materials should have ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D183/00C09D163/00C09D127/12C09D7/12C09D5/32B32B27/08B32B27/20B32B27/26B05D5/06B05D3/00
Inventor 张其土戴峰王丽熙
Owner NANJING UNIV OF TECH
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