Abstract

In order to solve the problem of single-color change when thermochromic materials are used at present, this study designs continuous thermochromic camouflage fabric based on the subtractive color matching of dyes, which provides the basis for realizing the integrated transformation of the three camouflage color systems of jungle color, desert color and ocean color. In this study, the electrothermal fabric with silver-coated fiber as the electrothermal element is combined to achieve the purpose of controllable heat source in the process of use, and the electrothermal color change double-layer fabric that can continuously change color through electrothermal control is prepared. Under the voltage of 4 ∼ 6 V, the color change layer fabric can reach the temperature of 34 ∼ 44 °C, and the first color change occurs when the voltage is greater than 4 V but less than 5 V, and the second color change occurs when the voltage is greater than 5 V, realizing continuous thermal color change. It has certain fabric flexibility and wearability, and can supply heat source by itself to meet the demand of product color change at any time. This has reference significance for the development of military camouflage textile products, and provides convenience for the reduction of military reserves in combat.

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