American Journal of Materials Engineering and Technology
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American Journal of Materials Engineering and Technology. 2021, 9(1), 31-47
DOI: 10.12691/materials-9-1-3
Open AccessCritical Review

Adaptive Camouflage Textiles with Thermochromic Colorant and Liquid Crystal for Multidimensional Combat Background, a Technical Approach for Advancement in Defence Protection

Md. Anowar Hossain1, 2,

1School of Fashion and Textiles, RMIT University, 25 Dawson Street, Brunswick, Melbourne, VIC 3056, Australia

2Department of Textile Engineering, City University, Savar, Dhaka, Bangladesh

Pub. Date: December 16, 2021

Cite this paper:
Md. Anowar Hossain. Adaptive Camouflage Textiles with Thermochromic Colorant and Liquid Crystal for Multidimensional Combat Background, a Technical Approach for Advancement in Defence Protection. American Journal of Materials Engineering and Technology. 2021; 9(1):31-47. doi: 10.12691/materials-9-1-3

Abstract

Adaptive camouflage textiles with color changing and blending into the combat background (CB) and surrounding environments have been a great challenge for the color scientist. Defense professional urgently needs adaptive camouflage textiles for personal protection in extreme weather conditions and multidimensional CB environments. A technical approach of adaptive camouflage textiles can be formulated by using a novel combination of thermochromic colorant and liquid crystal. Absorption of heat can rapidly accelerate the thermal response of thermochromic liquid crystal (TLC) by changing molecular structure with thermo-color-light (TCL) mechanism of absorption and reflection of light at different wavelength. TLC shows chameleon performance of color tone which changes the light reflection of surface color; thus, target objects can be artificially confused by the replacement of chromatic appearance in multidimensional CB environments. TLC can be applied as deceiving mechanism and surface modification of textile substances with combination of dyes/pigment. TLC modified camouflage textiles have possibility of diverse applications in different weather of combat zone for defense actions and different CB environments. A single formulated camouflage textiles may be suited with different CB environments under TLC mechanism. Chameleon type of color tone in cooling and heating conditions of thermochromic changes automatically in both reversible and irreversible way. Therefore, the technical colorant combination has been preached for suitability of adaptation with surrounding CB. TLC treated textiles can be experimented with spectroscopic, microscopic, and photographic illumination. The applications of adaptive camouflage textiles are not only limited to military textiles, but also the principle of technologies have versatile applications for clothing of personal protection including fashionable garments production.

Keywords:
adaptive camouflage textiles thermochromic liquid crystal (TLC) thermochromic dyes pitch length combat background defence protection

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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