Regenerated Cellulose/Lignin Composite Aerogel with Unique Toast-Like Structure and Their Potential Applications in Thermal Camouflage

IF 18.5 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Zhiyu Huang, Aixin Tong, Tonghe Xing, Annan He, Yuxin Luo, Yu Zhang, Mengqi Wang, Sijie Qiao, Zhicheng Shi, Fengxiang Chen, Weilin Xu
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引用次数: 0

Abstract

Camouflage clothing and cloaks are widely used in the military field. However, the widespread use of unmanned aerial vehicles (UAV) equipped with infrared thermal imaging devices has rendered traditional camouflage ineffective in the face of its unparalleled detection capabilities in modern warfare. Inspired by the enhancement principles of cellulose and lignin in natural wood, the interfacial engineering of biomineralization, and the scale structure of pangolins, herein, a regenerated cellulose/lignin composite aerogel with a toast-like structure by integrating all three biomimetic techniques into a single biomimetic design is developed. The unique toast-like structure allows effective protection of the internal porous structure during surface modification. The prepared composite aerogel not only exhibits excellent mechanical properties but also demonstrates a desert sand-like color, superior thermal insulation, and effective infrared blocking capabilities, highlighting its potential in thermal camouflage applications. This work proposes a green method for preparing regenerated cellulose composite aerogel sheets, which is expected to provide a design concept for the preparation, functionalization, and application of regenerated cellulose aerogel materials. In addition, factors such as the generalizability of the study, environmental impacts, and economic benefits are discussed.

Abstract Image

Abstract Image

独特面包状结构的再生纤维素/木质素复合气凝胶及其在热伪装中的潜在应用
迷彩服和斗篷广泛应用于军事领域。然而,在现代战争中,装备红外热成像装置的无人机(UAV)的广泛使用使得传统伪装在其无与伦比的探测能力面前失效。受天然木材中纤维素和木质素的增强原理、生物矿化的界面工程和穿山甲的鳞片结构的启发,本文将这三种仿生技术整合到一个仿生设计中,开发了一种具有面包状结构的再生纤维素/木质素复合气凝胶。独特的面包状结构可以在表面修饰时有效保护内部多孔结构。制备的复合气凝胶不仅具有优异的机械性能,而且具有类似沙漠的颜色,优越的隔热性能和有效的红外阻挡能力,突出了其在热伪装应用中的潜力。本文提出了一种绿色制备再生纤维素复合气凝胶片材的方法,有望为再生纤维素气凝胶材料的制备、功能化和应用提供设计思路。此外,还讨论了研究的普遍性、环境影响和经济效益等因素。
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来源期刊
Advanced Functional Materials
Advanced Functional Materials 工程技术-材料科学:综合
CiteScore
29.50
自引率
4.20%
发文量
2086
审稿时长
2.1 months
期刊介绍: Firmly established as a top-tier materials science journal, Advanced Functional Materials reports breakthrough research in all aspects of materials science, including nanotechnology, chemistry, physics, and biology every week. Advanced Functional Materials is known for its rapid and fair peer review, quality content, and high impact, making it the first choice of the international materials science community.
文献相关原料
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产品信息
麦克林
tert-butanol
麦克林
Dimethyl sulfoxide
麦克林
Alkali lignin
麦克林
tert-butanol
麦克林
Dimethyl sulfoxide
麦克林
Alkali lignin
麦克林
Tert-butanol (TBA)
麦克林
Dimethyl sulfoxide (DMSO)
麦克林
Alkali lignin
阿拉丁
Titanium (IV) isopropanol
阿拉丁
Titanium (IV) isopropanol
阿拉丁
Titanium (IV) isopropanol
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