Transmission type electrochromic device-based color-changing camouflage fabric and preparation method thereof

An electrochromic and fabric technology, applied in the field of color-changing camouflage fabric and its preparation, can solve the problems of large thickness, low color or electrical conductivity, etc., and achieve the effects of fast change speed, low cost, and convenient production and processing

Active Publication Date: 2010-09-01
THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTME
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently commercially available transparent electrodes include ITO/PET, which are not soft enough, thicker, and the thinnest is 188 μm. Other possible ele

Method used

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  • Transmission type electrochromic device-based color-changing camouflage fabric and preparation method thereof
  • Transmission type electrochromic device-based color-changing camouflage fabric and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The invention discloses a preparation method of a color-changing camouflage fabric capable of realizing the interchanging of three camouflage patterns.

[0055] Designed woodland camouflage, desert camouflage and marine camouflage patterns with four-color patches. The woodland camouflage contains four-color patches of green, dark brown, black and light gray, and the desert camouflage contains khaki, dark brown, black and light gray. Four-color patches, marine camouflage includes four-color patches of blue, dark brown, black and light gray. In the three camouflage fabrics, except for the main colors of green, khaki and blue, the other three-color patches are the same in color and shape. Silver fibers and cotton fibers are used as warp yarns, and the silver fibers and cotton fibers are arranged in a ratio of 1:1, and the weft yarns are also woven with silver and cotton in a 1:1 arrangement to obtain a white fabric with a resistivity of 20Ω.cm. The fabric is used as the w...

Embodiment 2

[0063] The preparation method of the color-changing camouflage fabric based on the ZAO-based transparent conductive film, except for the following differences, other preparation steps and materials used are the same as in Example 1.

[0064] Embodiment 1 provides the preparation method of the color-changing camouflage fabric using ITO / PET as the transparent conductive film. Based on the mature preparation technology of PANI, the flexible transparent conductive film electrode is the key factor of the color-changing camouflage fabric.

[0065] The preparation method of the transparent conductive film of described ZAO is as follows: with 100 parts (weight) of the slurry of the uniform dispersion of ZAO, with 8 parts (weight) of hydrochloric acid, 2 parts (weight) of n-butanol and 12 parts (weight) of film-forming agent ) heated and stirred at 50°C to form a uniform, stable and transparent pasty liquid. The liquid was coated on a PET film and dried for 2 hours. The surface resis...

Embodiment 3

[0067] The preparation method of the color-changing camouflage pattern using polythiophene as the electrochromic polymer is the same as in Example 1 except for the following differences.

[0068] Embodiment 1 has provided the preparation method of color-changing camouflage fabric, wherein the electrochromic high polymer adopts polythiophene to replace, and its synthetic process is as follows: 3,4-dioxyethylenethiophene (EDOT) monomer is mixed by molar ratio Add to the PVA1750 solution containing a part of DBSA (PVA mass fraction 2.3%), then add a part of sodium persulfate, stir at room temperature for 10 minutes, gradually add 1.5 parts of a mass fraction of 14% ferric chloride solution, dropwise Reaction after 8-10h.

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Abstract

The invention relates to transmission type electrochromic device-based color-changing camouflage fabric and a preparation method thereof. The fabric comprises a dominant tone patch and auxiliary color patches, wherein the dominant tone patch consists of a plurality of layers of structures, and comprises, from the bottom to top, the dominant tone patch of flexible conductive camouflage fabric, an ion storage layer, an electrolyte layer, an electrochromic polymer layer and a transparent conductive thin film; and the flexible conductive camouflage fabric and the transparent conductive thin film are connected with the anode and cathode of a power supply device through lead wires respectively. The color-changing camouflage fabric of the invention adopts a relatively more mature electrochromic device structure, and can achieve the characteristics of low-voltage and manually controllable inter-conversion between two or among more than two camouflage patterns, high conversion speed, low cost and convenient production and machining.

Description

technical field [0001] The invention relates to a color-changing camouflage fabric based on a transmissive electrochromic device and a preparation method thereof, that is, an electrochromic high polymer showing different colors under different low voltages, and a solid electrolyte layer and an ion storage layer are placed on the upper transparent layer The color-changing camouflage fabric and the preparation method thereof are effectively connected between the electrode and the fabric electrode of the lower layer through gel-like electrolyte. Background technique [0002] Camouflage fabric camouflage technology. The camouflage uniform destroys the overall outline characteristics through reasonable matching of multi-color blocks, and blends the overall tone with the background, so that the spectral reflectance of the camouflage uniform is similar to the background, thereby achieving the camouflage effect. Due to the wide variety of ground features and vegetation conditions i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): F41H3/00D03D15/00D03D15/20D03D15/217D03D15/225D03D15/283D03D15/533
Inventor 肖红施楣梧徐坚王昊范浩森
Owner THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTME
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