Spacesuit Textiles from Extreme Fabric Materials: Aromatic Amide Polymer and Boron Nitride Nanotube Composite Fiber for Neutron Shielding and Thermal Management

IF 17.2 1区工程技术 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Advanced Fiber Materials Pub Date : 2024-06-03 DOI:10.1007/s42765-024-00432-6

Ki-Hyun Ryu, Minsung Kang, Jungwon Kim, Nam-Ho You, Se Gyu Jang, Kwang-Un Jeong, Seokhoon Ahn, Dae-Yoon Kim

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Abstract

Space exploration provides unparalleled opportunities for unraveling the mysteries of our origins and exploring planetary systems beyond Earth. Long-distance space missions require successful protection against significant radiation exposure, necessitating the development of effective radiation shielding materials. This study developed aromatic amide polymer (AAP) and boron nitride nanotube (BNNT) composite fibers using lyotropic liquid crystal (LLC) and industrially viable wet-spinning processes. The uniaxially oriented 1D composite fibers provide the necessary continuity and pliability to fabricate 2D macroscopic textiles with low density (1.80 g cm⁻³), mechanical modulus (18.16 GPa), and heat stability (up to 479 °C), while exhibiting the improved thermal neutron absorption cross-section with thermal neutron-shielding performance (0.73 mm⁻¹). These composite textiles also show high thermal conductivity (7.88 W m⁻¹ K⁻¹) due to their densely packed and uniaxially oriented structures. These enhanced characteristics render the fibers a highly promising material for space applications, offering robust protection for both astronauts and electronics against the dual threats of radiation and heat.

Graphical Abstract

Abstract Image

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利用极端织物材料制成的宇航服纺织品：用于中子屏蔽和热管理的芳香族酰胺聚合物和氮化硼纳米管复合纤维

太空探索为揭开人类起源之谜和探索地球以外的行星系统提供了无与伦比的机会。远距离太空任务需要成功抵御大量辐射，因此必须开发有效的辐射屏蔽材料。本研究采用各向同性液晶（LLC）和工业化可行的湿法纺丝工艺，开发了芳香族酰胺聚合物（AAP）和氮化硼纳米管（BNT）复合纤维。这种单轴取向的一维复合纤维具有必要的连续性和柔韧性，可用于制造具有低密度（1.80 g cm-3）、机械模量（18.16 GPa）和热稳定性（高达 479 ℃）的二维宏观纺织品，同时还具有更好的热中子吸收截面和热中子屏蔽性能（0.73 mm-1）。这些复合纺织品还具有高导热性（7.88 W m-1 K-1），这得益于其密集的单轴取向结构。这些增强的特性使纤维成为一种非常有前途的太空应用材料，可为宇航员和电子设备提供强大的保护，使其免受辐射和热量的双重威胁。

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来源期刊

Advanced Fiber Materials Multiple-

CiteScore

18.70

自引率

11.20%

发文量

109

期刊介绍： Advanced Fiber Materials is a hybrid, peer-reviewed, international and interdisciplinary research journal which aims to publish the most important papers in fibers and fiber-related devices as well as their applications.Indexed by SCIE, EI, Scopus et al. Publishing on fiber or fiber-related materials, technology, engineering and application.