High-performance aramid fabric in infrared shielding by magnetron sputtering method

Jia, Leilei; Fu, Binhe; Lu, Mason; Hui-e, Liang; Wang, Lei

doi:10.1088/2053-1591/ab8b1c

Cited by 7 publications

(5 citation statements)

References 21 publications

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“…When copper was sputtered on the fabric for 30 min, the TCT-coated polyester fabric had the best infrared and ultraviolet protection effect, which was far stronger than the untreated fabric and had a certain infrared camouflage performance. Jia et al 103 deposited nano copper film on aramid 1414 fabric by magnetron sputtering technology. When the sputtering time was 10 min, the infrared reflectance was the highest, the emissivity was the lowest (less than 0.1).…”

Section: Metal Fillermentioning

confidence: 99%

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Research status and development of infrared camouflage textile materials

Yu²,

Zhao

2023

Textile Research Journal

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With the rapid development of infrared detection and tracking technology, the combat concealment and viability of various military targets are seriously threatened, and the demand for military infrared camouflage is increasingly urgent. Individual combatants, as small moving targets, have the characteristics of small size, strong mobility, complex and changeable background, etc. Their infrared camouflage is more flexible and accurate than the equipment and engineering camouflage. The infrared camouflage textile material is soft and portable, which is the main embodiment of the infrared camouflage technology for individual soldiers. It can be used for infrared camouflage clothing, military tents, sleeping bags, and other equipment. Its research and development have been highly valued by many countries. In this article, details of the working principle, preparation methods, and recent research progress of flexible infrared camouflage textile materials are summarized. First of all, from the military application of infrared technology and the principle of infrared camouflage, the development status of infrared camouflage textile materials is summarized, and the research results of near-infrared and thermal infrared camouflage textile materials are introduced. Secondly, the camouflage conditions and research directions of new multi-band recombination and adaptive infrared camouflage textile materials are discussed. Finally, the challenges and opportunities of the future development of infrared camouflage textile materials, especially adaptive infrared camouflage textile materials, are considered.

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Section: Metal Fillermentioning

confidence: 99%

“…Jia et al. 103 deposited nano copper film on aramid 1414 fabric by magnetron sputtering technology. When the sputtering time was 10 min, the infrared reflectance was the highest, the emissivity was the lowest (less than 0.1).…”

mentioning

confidence: 99%

Research status and development of infrared camouflage textile materials

Yu²,

Zhao

2023

Textile Research Journal

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show abstract

“…When Cu was sputtered on the fabric for 30 min, the TiO 2 /Cu/TiO 2 -coated polyester fabric had the best infrared and ultraviolet protection effect, which was far stronger than the untreated fabric and had a certain infrared camouflage performance. Jia et al 38 deposited nano copper film on aramid 1414 fabric by magnetron sputtering technology. When the sputtering time was 10 min, the infrared reflectance was the highest, the emissivity was the lowest (less than 0.1).…”

mentioning

confidence: 99%

“…Jia et al. 38 deposited nano copper film on aramid 1414 fabric by magnetron sputtering technology. When the sputtering time was 10 min, the infrared reflectance was the highest, the emissivity was the lowest (less than 0.1).…”

mentioning

confidence: 99%

Low infrared emissivity composite materials for multi-band camouflage

Zhao

Feng

2023

Textile Research Journal

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Infrared camouflage textile materials have the advantages of softness, portability, and wearability. They are the main raw materials of infrared camouflage clothing, backpacks, camouflage nets, and tents. In this paper, from the perspective of reducing infrared emissivity to achieve the purpose of camouflage, metal materials were selected as functional particles and combined with textile materials to prepare polyurethane infrared camouflage composite materials with low emissivity, whose lowest emissivity in the wavelength range of 2–22 μm can reach 0.58. On this basis, two kinds of low infrared emissivity composite materials that can be used for multi-band camouflage were developed. One is to add modified graphene into the coating to improve the conductivity of the coating and reduce the gloss of the coating, to prepare visible and infrared camouflage coated fabric. When the amount of graphene is 10% of the filler content, the coated fabric has low gloss and low emissivity at the same time. Compared with the fabric without graphene coating, the glossiness is reduced by 31%, while the infrared emissivity is only increased by 0.1. The second is to prepare composite materials with infrared camouflage and microwave absorption functions by compounding low infrared emissivity and microwave absorbing coating. The minimum infrared emissivity of the two composites was 0.76 and 0.58, respectively. In this study, a variety of materials was used to prepare low infrared emissivity fabrics with low glossiness or good microwave absorption capacity, which provided a reference for the preparation of multi-band camouflage fabrics and was expected to be applied in the field of military camouflage.

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“…[15] Jia et al deposited Cu on aramid textiles by magnetron sputtering with an emissivity close to 10%. [16] Though the emissivity has been approaching 10%, the emissivity below it over the entire MWIR and LWIR spectral range is still challenging, which is limited by the IR reflectivity of materials themselves and textile roughness. [17] On the other hand, high-performance EMI shielding is in ever-increasing demand.…”

mentioning

confidence: 99%

Multifunctional Textiles Enabled by Simultaneous Interaction with Infrared and Microwave Electromagnetic Waves

Wang

Huang

et al. 2022

Adv Materials Inter

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Conventional textiles keep the body warm and provide an aesthetic appearance for human beings, while they are insufficient for military and civil applications in harsh environments. Multifunctional textiles that are capable of creating infrared (IR) camouflage, electromagnetic interference (EMI) shielding, and personal warming by interacting with both IR and microwave electromagnetic waves (EMWs) are developed. The inorganic–organic polytetrafluoroethylene (PTFE)/Ag/PTFE (IO‐PAP) building blocks are deposited on the polyurethane (PU)‐coated textiles using an eco‐friendly magnetron sputtering technique, where a smooth and durable Ag layer is grown, circumventing the large roughness and less connection between fibers in conventional textiles. Using the IO‐PAP building blocks, the ultralow IR emissivity and the ultrahigh microwave reflectance are achieved for effective IR camouflage and EMI shielding, respectively, together with satisfactory mechanical robustness. The EMI shielding effectiveness is further improved to 73 dB through employing a Fabry–Pérot‐based double‐sided PAP (D‐PAP) architecture. The D‐PAP‐coated textiles also exhibit personal warming, increasing the skin temperature by 2.7 °C compared with conventional cotton through reflecting thermal radiation of human bodies and mitigating radiative heat loss from textiles. This work will inspire the ultra‐band EMW engineering of textiles for realizing advanced functionalities in a way of eco‐friendly and scalable manufacture.

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High-performance aramid fabric in infrared shielding by magnetron sputtering method

Cited by 7 publications

References 21 publications

Research status and development of infrared camouflage textile materials

Research status and development of infrared camouflage textile materials

Low infrared emissivity composite materials for multi-band camouflage

Multifunctional Textiles Enabled by Simultaneous Interaction with Infrared and Microwave Electromagnetic Waves

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